/* ==========================================================================
   ESTUDO AVANÇADO - Modern Design System (Light & Dark Mode)
   Inspired by Notion, Khan Academy, Linear, and Duolingo.
   ========================================================================== */

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Theme: Light */
  --bg-app: #f8fafc;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;

  --accent-gold: #f59e0b;
  --accent-gold-light: #fef3c7;
  --accent-green: #10b981;
  --accent-green-light: #d1fae5;
  --accent-purple: #8b5cf6;
  --accent-purple-light: #ede9fe;
  --accent-red: #ef4444;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

body.theme-dark {
  --bg-app: #0b0f19;
  --bg-sidebar: #111827;
  --bg-card: #151d2f;
  --bg-subtle: #1e293b;
  --border-color: #27354a;
  --border-hover: #3b4d66;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.15);

  --accent-gold: #fbbf24;
  --accent-gold-light: rgba(251, 191, 36, 0.15);
  --accent-green: #34d399;
  --accent-green-light: rgba(52, 211, 153, 0.15);
  --accent-purple: #a78bfa;
  --accent-purple-light: rgba(167, 139, 250, 0.15);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* Base Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* App Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  max-height: 100vh;
  overflow-y: auto;
  position: sticky;
  top: 0;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  flex-shrink: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.sidebar::-webkit-scrollbar {
  width: 5px;
}
.sidebar::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: var(--radius-full);
}

.nav-section-title {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 10px 10px 4px 10px;
  margin-top: 6px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.logo-mark {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.logo-text h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.badge-grade {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-top: 2px;
}

/* Profile Card */
.profile-card {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.profile-card strong {
  font-size: 0.92rem;
  display: block;
}

.rank-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.stats-pills {
  display: flex;
  gap: 8px;
}

.pill {
  flex: 1;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-main);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.nav-item:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

.nav-item.active {
  background-color: var(--primary-light);
  color: var(--primary);
}

.nav-item.active svg {
  stroke: var(--primary);
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.btn-theme {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-theme:hover {
  border-color: var(--border-hover);
}

/* Main Content */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  padding: 24px 36px;
  overflow-y: auto;
  max-width: 1300px;
}

/* Topbar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.breadcrumbs span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.breadcrumbs h1 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-top: 2px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quick-timer-widget {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.btn-icon-tiny {
  background: var(--primary);
  color: white;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Tabs */
.tab-pane {
  display: none;
  animation: fadeIn 0.25s ease-in-out;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--border-hover);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

/* Welcome Banner */
.welcome-banner {
  background: linear-gradient(135deg, #1e3a8a, #3b82f6);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

.welcome-text h2 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.welcome-text p {
  color: #e0e7ff;
  font-size: 0.95rem;
  max-width: 700px;
}

.circle-metric {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 90px;
  height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.circle-metric .val {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}

.circle-metric .lbl {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 4px;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
}

.col-widgets {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Badges */
.badge {
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.badge-gold {
  background-color: var(--accent-gold-light);
  color: var(--accent-gold);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.badge-blue {
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* Tasks UI */
.task-category h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.task-row:hover {
  border-color: var(--border-hover);
}

.task-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.task-left input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary);
}

.task-title {
  font-size: 0.92rem;
  font-weight: 500;
}

.task-row.completed .task-title {
  text-decoration: line-through;
  color: var(--text-dim);
}

.btn-del-task {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  transition: color 0.2s;
}

.btn-del-task:hover {
  color: var(--accent-red);
}

.add-quick-task {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.add-quick-task input {
  flex-grow: 1;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
}

.add-quick-task input:focus {
  outline: 2px solid var(--primary);
}

/* Buttons */
button {
  cursor: pointer;
  font-family: var(--font-main);
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-primary-sm {
  background-color: var(--primary);
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
}

.btn-secondary {
  background-color: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-secondary-sm {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.8rem;
}

.btn-action {
  background: linear-gradient(135deg, var(--accent-gold), #ea580c);
  color: white;
  border: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25);
}

.w-100 { width: 100%; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 14px; }
.mt-4 { margin-top: 20px; }

/* Schedule Grid */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.day-col {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.day-head strong {
  display: block;
  font-size: 0.95rem;
}

.tag-sub {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-top: 2px;
}

.day-block {
  padding: 10px;
  border-radius: var(--radius-sm);
  border-left: 4px solid transparent;
}

.day-block small {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-dim);
  display: block;
}

.day-block p {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 2px;
}

.day-block.school {
  background-color: var(--bg-subtle);
  border-left-color: var(--accent-purple);
}

.day-block.adv {
  background-color: var(--primary-light);
  border-left-color: var(--primary);
}

.task-inputs-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.task-inputs-row select, .task-inputs-row input {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
}

.flex-grow { flex-grow: 1; }

/* ==========================================================================
   POMODORO TIMER REDESIGN (MODERNO & CALIBRADO)
   ========================================================================== */

/* Hero Banner */
.pomodoro-hero-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  margin-bottom: 24px;
}

.pomodoro-hero-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.pomodoro-hero-content h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.pomodoro-hero-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.45;
}

.pomo-xp-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.pomo-xp-icon {
  font-size: 1.5rem;
}

.pomo-xp-badge strong {
  display: block;
  font-size: 0.95rem;
  color: var(--accent-gold);
}

.pomo-xp-badge small {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main Layout Grid */
.pomodoro-layout {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 26px;
  max-width: 1100px;
  margin: 0 auto;
}

/* Main Pomodoro Box Card */
.pomodoro-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* Segmented Modes Bar */
.pomodoro-modes-bar {
  display: flex;
  background-color: var(--bg-subtle);
  padding: 5px;
  border-radius: var(--radius-full);
  gap: 4px;
  width: 100%;
  max-width: 440px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.mode-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 12px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.22s ease;
}

.mode-btn:hover {
  color: var(--text-main);
}

.mode-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.06);
}

body.theme-dark .mode-badge {
  background: rgba(255, 255, 255, 0.1);
}

.mode-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.mode-btn.active .mode-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.pomodoro-box.mode-short-break .mode-btn.active {
  background-color: var(--accent-green);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
}

.pomodoro-box.mode-long-break .mode-btn.active {
  background-color: var(--accent-purple);
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.35);
}

/* School Stage Calibrator */
.pomodoro-calibrator-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.calibrator-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.calibrator-icon {
  font-size: 1.1rem;
}

.calibrator-label-row label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.calibrator-select-wrapper select {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}

.calibrator-select-wrapper select:focus {
  border-color: var(--primary);
}

/* Central Timer Display Ring */
.timer-display-ring {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 6px 0 22px 0;
}

.progress-ring {
  transform: rotate(-90deg);
  overflow: visible;
}

.progress-ring-bg {
  stroke: var(--border-color);
}

body.theme-dark .progress-ring-bg {
  stroke: rgba(255, 255, 255, 0.08);
}

.progress-ring-indicator {
  transition: stroke-dashoffset 0.4s linear, stroke 0.3s ease;
}

.timer-display-ring.running .progress-ring-indicator {
  animation: pomoGlowPulse 2.4s ease-in-out infinite;
}

/* Digits Centered Inside Ring (NO VERTICAL STACKING) */
.timer-digits-container {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.timer-mode-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.timer-mode-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary);
  display: inline-block;
}

.timer-display-ring.running .timer-mode-dot {
  animation: pomoDotPulse 1.4s infinite;
}

.pomodoro-box.mode-short-break .timer-mode-dot {
  background-color: var(--accent-green);
}

.pomodoro-box.mode-long-break .timer-mode-dot {
  background-color: var(--accent-purple);
}

#timer-mode-label {
  font-family: var(--font-main);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Row of Digits: Hours & Minutes aligned horizontally */
.timer-digits-row {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--text-main);
}

.timer-colon {
  display: inline-block;
  margin: 0 4px;
  position: relative;
  top: -3px;
  opacity: 0.75;
}

.timer-display-ring.running .timer-colon {
  animation: colonBlink 1s step-start infinite;
}

.timer-sub-status {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Round Cycle Tracker (1 to 4 blocks) */
.pomo-cycle-tracker {
  width: 100%;
  max-width: 440px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  margin-bottom: 20px;
}

.tracker-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  margin-bottom: 8px;
}

.tracker-title {
  color: var(--text-muted);
  font-weight: 600;
}

.tracker-step {
  color: var(--primary);
  font-weight: 700;
}

.tracker-pills {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.tracker-pill {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 6px 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all 0.2s;
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
}

.tracker-pill.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.tracker-pill.active .pill-dot {
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}

.tracker-pill.completed {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: var(--accent-green-light);
}

.tracker-pill.completed .pill-dot {
  background: var(--accent-green);
}

/* Action Controls Row */
.timer-controls-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 22px;
  width: 100%;
}

.btn-pomo-main {
  height: 52px;
  padding: 0 32px;
  border-radius: var(--radius-full);
  font-size: 1.05rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-pomo-start {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
}

.btn-pomo-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-pomo-pause {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
}

.btn-pomo-pause:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}

.btn-pomo-tool {
  height: 52px;
  padding: 0 16px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-pomo-tool:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.btn-pomo-tool.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* Bottom Stats Tiles */
.pomodoro-stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.pomo-stat-tile {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.stat-tile-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.stat-tile-data {
  display: flex;
  flex-direction: column;
}

.stat-tile-data strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-tile-data span {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* ==========================================================================
   RIGHT COLUMN: SUPPORT, CHECKLIST & AMBIENT SOUNDS
   ========================================================================== */
.pomodoro-side-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pomo-side-card {
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.side-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 8px;
}

.pomo-side-header h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.pomo-side-header p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.42;
}

/* Ambient Sounds Grid */
.sound-presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.sound-chip {
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 8px 11px;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sound-chip:hover {
  border-color: var(--primary);
  background-color: var(--bg-card);
  transform: translateY(-1px);
}

.sound-chip.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.25);
}

.sound-chip-icon {
  font-size: 1.05rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.sound-chip.active .sound-chip-icon {
  transform: scale(1.15);
}

.sound-volume-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.sound-volume-slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--primary);
  cursor: pointer;
}

#sound-volume-val {
  font-weight: 700;
  color: var(--text-main);
  min-width: 36px;
  text-align: right;
}

/* Ritual Checklist */
.pomo-checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.pomo-check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.pomo-check-item:hover {
  border-color: var(--border-hover);
}

.pomo-check-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--primary);
}

.pomo-check-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pomo-check-text strong {
  font-size: 0.88rem;
  color: var(--text-main);
}

.pomo-check-text small {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Scientific Tips */
.pomo-tips-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.pomo-tip-box {
  display: flex;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
}

.tip-box-icon {
  font-size: 1.4rem;
  line-height: 1.2;
  flex-shrink: 0;
}

.tip-box-content strong {
  font-size: 0.88rem;
  color: var(--text-main);
}

.tip-box-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.44;
  margin-top: 2px;
}

/* Animations */
@keyframes colonBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.15; }
}

@keyframes pomoDotPulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes pomoGlowPulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(37, 99, 235, 0.3)); }
  50% { filter: drop-shadow(0 0 16px rgba(37, 99, 235, 0.65)); }
}

/* FLASHCARDS (ANKI STYLE) */
.flashcards-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

/* Flashcards Filters (Série e Matéria) */
.filter-controls-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

/* Doubt Topic Practice Bar (Flashcards & Challenges) */
.doubt-panel-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.doubt-input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.doubt-box-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.doubt-input-wrapper input {
  flex: 1;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.doubt-input-wrapper input:focus {
  outline: none;
  border-color: var(--primary);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.doubt-quick-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.doubt-quick-pills small {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 2px;
}

.quick-topic-btn {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.quick-topic-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-1px);
}

.doubt-active-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background-color: var(--primary-light);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--primary);
}

.doubt-active-banner strong {
  text-decoration: underline;
}

.btn-link-sm {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}

.btn-link-sm:hover {
  color: var(--text-main);
}

.doubt-search-row {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-color);
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.filter-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  min-width: 75px;
  flex-shrink: 0;
}

.pills-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px 0;
}

.pills-scroll::-webkit-scrollbar {
  display: none;
}

.grade-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
}

.grade-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
}

.grade-btn.active {
  background-color: var(--accent-purple-light);
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  font-weight: 700;
}

.deck-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
}

.deck-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
}

.deck-btn.active {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  font-weight: 700;
}

.card-badges-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-grade-tag {
  background-color: var(--accent-purple-light);
  color: var(--accent-purple);
}

.profile-grade-select-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 10px;
}

.small-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.profile-grade-dropdown {
  width: 100%;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
}

.flashcard-study-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.flashcard {
  width: 100%;
  height: 320px;
  perspective: 1000px;
  cursor: pointer;
}

.flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}

.flashcard-front, .flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
}

.flashcard-back {
  transform: rotateY(180deg);
  background-color: var(--bg-subtle);
  border-color: var(--primary);
}

.card-badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  color: var(--primary);
}

.badge-answer {
  background-color: var(--accent-green-light);
  color: var(--accent-green);
}

.card-content-text {
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  padding: 20px 0;
  line-height: 1.4;
}

.card-hint {
  align-self: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.anki-ratings {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
}

.btn-anki {
  padding: 12px;
  border-radius: var(--radius-md);
  border: none;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.btn-anki span {
  font-weight: 700;
  font-size: 0.95rem;
}

.btn-anki small {
  font-size: 0.72rem;
  opacity: 0.85;
}

.btn-again { background-color: #ef4444; }
.btn-hard  { background-color: #f97316; }
.btn-good  { background-color: #3b82f6; }
.btn-easy  { background-color: #10b981; }

/* CHALLENGES TAB */
.challenges-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-action-sm {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: all 0.2s ease;
}

.btn-action-sm:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.btn-action-sm:active {
  transform: translateY(0);
}

.regen-icon {
  display: inline-block;
  font-size: 0.95rem;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-action-sm.spinning .regen-icon {
  transform: rotate(360deg);
}

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.challenge-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.challenge-card .ch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ch-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.ch-tag.canguru { background-color: var(--accent-gold-light); color: var(--accent-gold); }
.ch-tag.obmep   { background-color: var(--accent-purple-light); color: var(--accent-purple); }

.ch-xp { font-weight: 700; color: var(--accent-gold); font-size: 0.85rem; }

.ch-body p {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.45;
}

.ch-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.ch-opt-btn {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  text-align: left;
  font-size: 0.88rem;
  font-weight: 600;
}

.ch-opt-btn:hover {
  border-color: var(--primary);
}

.ch-opt-btn.correct {
  background-color: var(--accent-green-light);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.ch-opt-btn.wrong {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.ch-opt-btn:disabled {
  cursor: default;
  opacity: 0.9;
}

/* Challenge Card Actions & Transitions */
.ch-regen-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
}

.ch-auto-timer {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.ch-auto-timer strong {
  color: var(--accent-green);
  font-weight: 700;
}

.btn-next-ch-action {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  border: none;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-next-ch-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.45);
}

.btn-next-ch-action:active {
  transform: translateY(0);
}

.challenge-card {
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.challenge-card.ch-fade-out {
  opacity: 0.15;
  transform: scale(0.96);
}

.challenge-card.ch-fade-in {
  animation: chFadeIn 0.35s ease forwards;
}

@keyframes chFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ROADMAP TAB */
.roadmap-stages {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 20px;
}

.stage-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.stage-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.stage-tag.current {
  color: var(--primary);
  font-weight: 800;
}

.skills-checklist {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.skill-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.88rem;
  font-weight: 500;
}

.skill-pill input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* ERROR LOG TAB */
.error-table {
  width: 100%;
  border-collapse: collapse;
}

.error-table th, .error-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.88rem;
}

.error-table th {
  background-color: var(--bg-subtle);
  font-weight: 700;
  color: var(--text-muted);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
}

.modal-body label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.modal-body input, .modal-body select, .modal-body textarea {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ==========================================================================
   AI TUTOR & PROMPT BOX (Inspired by user screenshot & modern AI tools)
   ========================================================================== */

.ai-prompt-container {
  width: 100%;
  margin-bottom: 24px;
}

.ai-prompt-box {
  background-color: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
  overflow: hidden;
}

.ai-prompt-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), 0 4px 20px rgba(0, 0, 0, 0.06);
}

.ai-input-area {
  display: flex;
  align-items: center;
  padding: 10px 18px 4px 18px;
}

.ai-input-field {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.98rem;
  padding: 8px 0;
  outline: none;
}

.ai-input-field::placeholder {
  color: var(--text-dim);
  font-weight: 400;
}

.ai-send-btn {
  background: var(--primary);
  color: white;
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.ai-send-btn:hover {
  background-color: var(--primary-hover);
  transform: scale(1.05);
}

/* Tools Row (conforme a imagem do usuário) */
.ai-tools-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 12px 14px;
  border-top: 1px solid transparent;
}

.tool-btn-plus {
  background: transparent;
  border: none;
  color: var(--text-dim);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}

.tool-btn-plus:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

.tool-sep {
  width: 1px;
  height: 18px;
  background-color: var(--border-color);
  flex-shrink: 0;
}

.tool-pills-container {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 2px 0;
}

.tool-pills-container::-webkit-scrollbar {
  display: none;
}

.ai-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  user-select: none;
}

.ai-pill:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-card);
}

.ai-pill.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.ai-pill .pill-icon {
  font-size: 0.85rem;
}

.ai-pill .pill-arrow {
  font-size: 1.1rem;
  line-height: 0.8;
  margin-left: -2px;
}

/* Dedicated AI Chat View */
.ai-chat-layout {
  display: flex;
  flex-direction: column;
  max-width: 950px;
  margin: 0 auto;
  gap: 16px;
  height: calc(100vh - 120px);
}

.ai-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.ai-chat-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: white;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.ai-chat-info h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

.ai-status-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.ai-messages-container {
  flex-grow: 1;
  overflow-y: auto;
  padding: 12px 6px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.ai-msg {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: fadeIn 0.2s ease;
}

.ai-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.ai-msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.ai-msg.user .ai-msg-avatar {
  background-color: var(--primary);
  color: white;
}

.ai-msg-body {
  padding: 14px 18px;
  border-radius: 16px;
  line-height: 1.55;
  font-size: 0.93rem;
}

.ai-msg.tutor .ai-msg-body {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px 18px 18px 4px;
  box-shadow: var(--shadow-sm);
}

.ai-msg.user .ai-msg-body {
  background-color: var(--primary);
  color: white;
  border-radius: 18px 18px 4px 18px;
}

.ai-msg-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.ai-msg.user .ai-msg-header {
  color: rgba(255, 255, 255, 0.8);
}

.ai-msg-text ul {
  padding-left: 20px;
  margin: 8px 0;
}

.ai-msg-text li {
  margin-bottom: 4px;
}

.ai-msg-text pre {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin: 10px 0;
  overflow-x: auto;
}

.ai-suggestions-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 4px 0;
}

.ai-chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.ai-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
}

/* ==========================================================================
   DIA DE PROVA / TESTE (EXAM SCHEDULE & COUNTDOWN)
   ========================================================================== */
.exam-banner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.exam-stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
}

.exam-stat-icon {
  font-size: 2.2rem;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.exam-stat-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.exam-stat-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 2px 0;
}

.exam-stat-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.exam-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.exam-filters-left {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.filter-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-1px);
}

.filter-pill.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.exam-filters-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-select-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
}

.exams-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
  align-items: stretch;
}

.exam-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.exam-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--border-hover);
}

/* Subject accent bars */
.exam-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--primary);
}

.exam-card.subject-matemtica::before { background-color: #2563eb; }
.exam-card.subject-lnguaportuguesa::before { background-color: #8b5cf6; }
.exam-card.subject-cincias::before { background-color: #10b981; }
.exam-card.subject-histria::before { background-color: #f59e0b; }
.exam-card.subject-geografia::before { background-color: #06b6d4; }
.exam-card.subject-ingls::before { background-color: #ec4899; }

.exam-card.is-done {
  background-color: var(--bg-card);
  border-left: 4px solid var(--accent-green);
}
.exam-card.is-done::before {
  background-color: var(--accent-green);
}

.exam-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.exam-card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.exam-subject-badge {
  font-size: 0.9rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.exam-type-pill {
  font-size: 0.76rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.exam-date-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  background-color: var(--bg-subtle);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.exam-countdown-row {
  margin-bottom: 14px;
}

.exam-countdown-badge {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
}

.badge-urgent {
  background-color: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  animation: pulseAlert 2s infinite ease-in-out;
}

@keyframes pulseAlert {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

.badge-soon {
  background-color: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-normal {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-today {
  background-color: #ef4444;
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

.badge-grade-10 {
  background-color: rgba(16, 185, 129, 0.15);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-weight: 700;
}

.badge-grade-other {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-weight: 700;
}

/* Topics container with tags */
.exam-topics-container {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 16px;
  flex-grow: 1;
}

.exam-topics-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.exam-topics-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.exam-topic-pill {
  font-size: 0.8rem;
  font-weight: 600;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.exam-card-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.exam-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.exam-meta-item.target {
  font-weight: 700;
  color: var(--accent-gold);
}

.exam-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-exam-header-del {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-sm);
  color: #dc2626;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-exam-header-del:hover {
  background: #dc2626;
  color: #ffffff;
  border-color: #dc2626;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(220, 38, 38, 0.25);
}

.exam-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.btn-exam-study {
  flex: 1;
  min-width: 105px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  transition: all 0.2s ease;
}

.btn-exam-study:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-exam-grade {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background-color: var(--accent-green-light);
  color: #059669;
  border: 1.5px solid rgba(16, 185, 129, 0.4);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-exam-grade:hover {
  background-color: #059669;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.btn-exam-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #dc2626;
  transition: all 0.2s ease;
}

.btn-exam-delete:hover {
  background: #dc2626;
  color: #ffffff;
  border-color: #dc2626;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(220, 38, 38, 0.25);
}

.btn-exam-del {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #dc2626;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
  margin-left: 2px;
}

.btn-exam-del:hover {
  background-color: #dc2626;
  color: #ffffff;
  border-color: #dc2626;
}

.btn-danger-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: #dc2626;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-danger-outline:hover {
  background: #dc2626;
  color: #ffffff;
  border-color: #dc2626;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
}

.dash-exams-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 8px 0;
}

.dash-exam-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  border-left: 3px solid var(--primary);
}

.dash-exam-subj {
  font-weight: 700;
  color: var(--text-main);
}

.dash-exam-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.dash-exam-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.grade-input-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 15px 0;
}

.input-big-grade {
  font-size: 2.4rem;
  font-weight: 800;
  width: 120px;
  text-align: center;
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 4px 8px;
  color: var(--text-main);
  background-color: var(--bg-card);
}

.grade-max-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ==========================================================================
   DASHBOARD HIGHLIGHTS: STREAK TRACKER & SMART REVIEW
   ========================================================================== */
.dash-highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.streak-tracker-card {
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.streak-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.streak-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.streak-flame {
  font-size: 2.2rem;
  display: inline-block;
  animation: flamePulse 1.8s infinite ease-in-out;
}

@keyframes flamePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.15) rotate(4deg); }
  100% { transform: scale(1); }
}

.streak-record {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.btn-freeze-streak {
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-freeze-streak:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.streak-week-days {
  display: flex;
  gap: 6px;
  justify-content: space-between;
}

.streak-day-badge {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  border: 1px solid transparent;
}

.streak-day-badge.active {
  background: var(--accent-gold-light);
  color: var(--accent-gold);
  border-color: rgba(245, 158, 11, 0.3);
  font-weight: 700;
}

.smart-review-card {
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.smart-review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.smart-review-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.smart-review-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  border-left: 3px solid var(--primary);
}

.smart-review-item button {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: none;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

/* ==========================================================================
   SIMULADOS (10 OU 20 QUESTÕES COM NOTA & GABARITO)
   ========================================================================== */
.card-simulado-config {
  padding: 24px;
}

.simulado-config-header h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.simulado-config-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.config-options-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.config-opt-btn {
  flex: 1;
  min-width: 240px;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.2s;
}

.config-opt-btn:hover {
  border-color: var(--primary);
}

.config-opt-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
}

.opt-icon {
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.config-opt-btn span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.simulado-config-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.card-simulado-active {
  padding: 24px;
}

.simulado-active-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.sim-progress-indicator {
  flex-grow: 1;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
}

.sim-progress-bar {
  height: 8px;
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

#sim-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  transition: width 0.3s ease;
}

.sim-timer-pill {
  font-size: 1.15rem;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.sim-q-subject {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.sim-q-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.sim-q-text {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.sim-options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sim-opt-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}

.sim-opt-btn:hover {
  border-color: var(--border-hover);
}

.sim-opt-btn.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  font-weight: 700;
}

.sim-opt-letter {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}

.sim-opt-btn.selected .sim-opt-letter {
  background: var(--primary);
  color: #fff;
}

.simulado-active-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
  gap: 10px;
}

.card-simulado-result {
  padding: 24px;
}

.sim-result-banner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  background: var(--bg-subtle);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.sim-grade-circle {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold), #f59e0b);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
  flex-shrink: 0;
}

.sim-grade-circle .grade-number {
  font-size: 2.3rem;
  font-weight: 900;
  line-height: 1;
}

.sim-grade-circle .grade-text {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.sim-result-info h3 {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.sim-result-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.sim-result-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.sim-gabarito-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.gabarito-item {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.gabarito-item.correct {
  border-left: 4px solid var(--accent-green);
}

.gabarito-item.wrong {
  border-left: 4px solid var(--accent-red);
}

/* ==========================================================================
   METAS DA SEMANA
   ========================================================================== */
.weekly-goals-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.goals-overall-bar {
  height: 10px;
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 8px;
  width: 260px;
}

.goals-overall-fill {
  height: 100%;
  background: var(--accent-green);
  transition: width 0.3s ease;
}

.goals-xp-award {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.goals-xp-award .award-val {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent-gold);
}

.goals-xp-award .award-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}

.goal-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all 0.2s;
  gap: 12px;
}

.goal-card.completed {
  opacity: 0.8;
  border-color: rgba(16, 185, 129, 0.4);
}

.goal-card.completed .goal-title {
  text-decoration: line-through;
  color: var(--text-muted);
}

.goal-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-grow: 1;
}

/* ==========================================================================
   MEU PROGRESSO & BNCC
   ========================================================================== */
.progress-stats-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.subject-progress-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.subject-prog-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.subject-prog-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 700;
}

.subject-prog-bar {
  height: 12px;
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.subject-prog-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

/* ==========================================================================
   1. MINI-JOGOS EDUCATIVOS (GAME ARCADE UI)
   ========================================================================== */
.minigames-selector-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.minigame-card-btn {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.minigame-card-btn:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.12);
}

.minigame-card-btn.active {
  border-color: var(--primary);
  background: linear-gradient(145deg, var(--bg-card), var(--primary-light));
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.16);
  transform: translateY(-2px);
}

.minigame-card-btn .game-badge {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  color: var(--primary);
  width: fit-content;
  border: 1px solid var(--border-color);
}

.minigame-card-btn.active .game-badge {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.minigame-card-btn h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 2px 0;
}

.minigame-card-btn p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

/* Arena do Jogo */
.minigame-arena {
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
  text-align: center;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.speed-math-intro {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.game-hero-icon {
  font-size: 4rem;
  width: 90px;
  height: 90px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(239, 68, 68, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.2);
  animation: heroBounce 3s infinite ease-in-out;
}

@keyframes heroBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.speed-math-intro h3 {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-main);
}

.speed-math-intro p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.game-record-pill {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background-color: rgba(245, 158, 11, 0.12);
  border: 1.5px solid rgba(245, 158, 11, 0.35);
  color: #b45309;
  font-size: 0.92rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Jogo em Andamento (HUD & Controls) */
.game-play-area {
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
}

.game-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 10px 24px;
  margin-bottom: 24px;
}

.hud-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hud-val {
  font-size: 1.35rem;
  font-weight: 900;
}

.math-question-box {
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.math-eq {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.math-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.math-opt-btn {
  padding: 16px 20px;
  font-size: 1.6rem;
  font-weight: 800;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-mono);
}

.math-opt-btn:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
  color: var(--primary);
  transform: scale(1.03);
}

/* Memória de Conceitos (Flip Cards) */
.memory-game-header {
  width: 100%;
  max-width: 600px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.memory-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.memory-card-flip {
  height: 95px;
  perspective: 1000px;
  cursor: pointer;
  user-select: none;
}

.memory-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.4s;
  transform-style: preserve-3d;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.memory-card-flip.flipped .memory-card-inner {
  transform: rotateY(180deg);
}

.memory-card-front, .memory-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-radius: var(--radius-md);
  font-weight: 700;
}

.memory-card-front {
  background: linear-gradient(135deg, var(--bg-subtle), var(--border-color));
  border: 2px solid var(--border-color);
  font-size: 1.8rem;
  color: var(--text-muted);
}

.memory-card-back {
  background-color: var(--primary-light);
  border: 2px solid var(--primary);
  color: var(--primary);
  font-size: 0.88rem;
  transform: rotateY(180deg);
}

.memory-card-flip.matched .memory-card-back {
  background-color: var(--accent-green-light);
  border-color: var(--accent-green);
  color: #059669;
}

/* Quiz 60s */
.quiz-q-subj {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

.quiz-q-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.45;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-opt-btn {
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.quiz-opt-btn:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
  color: var(--primary);
  transform: translateX(4px);
}


/* ==========================================================================
   2. BIBLIOTECA & FÓRMULAS & MAPAS (CHEAT-SHEETS MODERNAS)
   ========================================================================== */
.library-filter-bar {
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  margin-bottom: 22px;
}

.search-input {
  width: 100%;
  padding: 12px 18px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 500;
  outline: none;
  transition: all 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.library-pills-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.library-item-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.library-item-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--border-hover);
}

.lib-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.lib-tag {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-del-lib {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-del-lib:hover {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: #ef4444;
}

.lib-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.35;
  margin: 0;
}

.lib-formula-box {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-main);
  word-break: break-word;
}

.lib-formula-box code {
  color: var(--primary);
  font-weight: 700;
}

.lib-content {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
  white-space: pre-line;
}


/* ==========================================================================
   DÚVIDAS & CADERNO
   ========================================================================== */
.doubts-overview-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.doubts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.doubt-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition: all 0.2s;
}

.doubt-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.doubt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.doubt-subject-badge {
  font-size: 0.82rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
}

.doubt-date {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.doubt-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin: 4px 0;
}

.doubt-source {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.doubt-status-resolved {
  font-size: 0.82rem;
  font-weight: 700;
  color: #059669;
  background-color: var(--accent-green-light);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.doubt-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
}


/* ==========================================================================
   DIÁRIO DE ESTUDOS
   ========================================================================== */
.diary-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.diary-entry-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s;
}

.diary-entry-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.diary-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diary-entry-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.diary-mood-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background-color: rgba(245, 158, 11, 0.12);
  color: #b45309;
}

.diary-date {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.diary-duration {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.diary-topics-line {
  font-size: 0.95rem;
  color: var(--text-main);
}

.diary-takeaway-box {
  background-color: var(--bg-subtle);
  border-left: 4px solid var(--accent-gold);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.5;
}


/* ==========================================================================
   3. CONQUISTAS & RANKING PESSOAL (VITRINE DE TROFÉUS & RECORDES)
   ========================================================================== */
.personal-records-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  margin-bottom: 26px;
}

.records-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

.records-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.record-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.record-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  background-color: var(--bg-card);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.record-icon {
  font-size: 2.4rem;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.record-data {
  display: flex;
  flex-direction: column;
}

.record-val {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.2;
}

.record-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* Galeria de Medalhas */
.achievements-gallery {
  margin-top: 28px;
}

.gallery-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}

.achievement-badge-card {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.achievement-badge-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.achievement-badge-card.unlocked {
  border-color: rgba(245, 158, 11, 0.5);
  background: linear-gradient(160deg, var(--bg-card), rgba(245, 158, 11, 0.06));
}

.achievement-badge-card.unlocked::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #f59e0b, #eab308, #10b981);
}

.achievement-badge-card.locked {
  opacity: 0.55;
  background-color: var(--bg-subtle);
  filter: grayscale(85%);
}

.ach-icon-circle {
  font-size: 2.8rem;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05);
}

.achievement-badge-card.unlocked .ach-icon-circle {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(234, 179, 8, 0.15));
  border-color: var(--accent-gold);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}

.ach-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

.ach-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
  min-height: 38px;
}

.ach-xp-tag {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background-color: rgba(245, 158, 11, 0.12);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.ach-status {
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 4px;
}

.achievement-badge-card.unlocked .ach-status {
  color: #059669;
}

.achievement-badge-card.locked .ach-status {
  color: var(--text-dim);
}


/* ==========================================================================
   4. LOJA DE RECOMPENSAS POR XP (CATÁLOGO & PRÊMIOS)
   ========================================================================== */
.rewards-balance-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.14), rgba(234, 179, 8, 0.06));
  border: 1.5px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.08);
}

.balance-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.balance-icon {
  font-size: 3rem;
  width: 68px;
  height: 68px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.2);
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.balance-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.balance-val {
  font-size: 2.2rem;
  font-weight: 900;
  color: #b45309;
  margin: 2px 0 0;
}

.store-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.store-filter-btn {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.store-filter-btn:hover {
  background: var(--bg-subtle);
  color: var(--text-main);
  border-color: var(--primary);
}

.store-filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.rewards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.reward-shop-card {
  padding: 20px 18px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.reward-top-bar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 24px;
}

.reward-category-badge {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.reward-category-badge.cat-games {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.25);
}

.reward-category-badge.cat-comida {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.25);
}

.reward-category-badge.cat-lazer {
  background: rgba(139, 92, 246, 0.12);
  color: #7c3aed;
  border-color: rgba(139, 92, 246, 0.25);
}

.reward-category-badge.cat-passeio {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.25);
}

.reward-category-badge.cat-especial {
  background: rgba(236, 72, 153, 0.12);
  color: #db2777;
  border-color: rgba(236, 72, 153, 0.25);
}

.btn-del-reward {
  background: transparent;
  border: none;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0.6;
  transition: opacity 0.15s ease, background 0.15s ease;
}

.btn-del-reward:hover {
  opacity: 1;
  background: rgba(239, 68, 68, 0.1);
}

.reward-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
  min-height: 38px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.reward-shop-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
  box-shadow: 0 10px 24px rgba(245, 158, 11, 0.15);
}

.reward-icon-box {
  font-size: 3.2rem;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.reward-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.reward-cost {
  font-size: 1.15rem;
  font-weight: 900;
  color: #b45309;
  background: rgba(245, 158, 11, 0.12);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.btn-redeem {
  width: 100%;
  margin-top: 6px;
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

/* --- WHATSAPP EVOLUTION API INTEGRATION STYLES --- */
.wa-integrations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 20px;
}

.wa-integration-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.wa-integration-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.08);
}

.wa-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.wa-badge-pill {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(37, 211, 102, 0.12);
  color: #128c7e;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

/* Switch Toggle Component */
.switch-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-toggle {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 24px;
}

.slider-toggle:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.switch-toggle input:checked + .slider-toggle {
  background-color: #25d366;
}

.switch-toggle input:checked + .slider-toggle:before {
  transform: translateX(20px);
}

.wa-integration-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.wa-icon-large {
  font-size: 2.8rem;
  margin-bottom: 8px;
}

.wa-integration-body h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.wa-integration-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.wa-example-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 16px;
}

.wa-example-title {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #128c7e;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.wa-example-text {
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--text-main);
  white-space: pre-wrap;
  margin: 0;
  line-height: 1.45;
}

.wa-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.wa-form-grid .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wa-form-grid .form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

.wa-form-grid .form-group input,
.wa-form-grid .form-group select {
  width: 100%;
  display: block;
  box-sizing: border-box;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.wa-form-grid .form-group input:focus,
.wa-form-grid .form-group select:focus {
  outline: none;
  border-color: #25d366;
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.18);
}

.wa-form-grid .form-group small {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

.wa-recipient-box {
  grid-column: 1 / -1;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--radius-md);
}

.wa-recipient-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.wa-recipient-tab-opt {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  background: var(--bg-card);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-weight: 700;
  font-size: 0.88rem;
  transition: all 0.2s ease;
  user-select: none;
}

.wa-recipient-tab-opt:hover {
  border-color: #25d366;
  background: rgba(37, 211, 102, 0.05);
}

.wa-recipient-tab-opt:has(input:checked) {
  border-color: #25d366;
  background: rgba(37, 211, 102, 0.12);
  color: #128c7e;
  box-shadow: 0 2px 6px rgba(37, 211, 102, 0.15);
}

.wa-recipients-fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.wa-field-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-sizing: border-box;
}

.wa-field-header {
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.wa-qr-frame {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-md);
  margin: 12px 0;
  padding: 16px;
}

.theme-dark .wa-qr-frame {
  background: #1e293b;
  border-color: #334155;
}

.wa-actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.wa-log-row {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  margin-bottom: 10px;
  transition: all 0.2s ease;
}

.wa-log-row.status-ok {
  border-left: 4px solid #10b981;
}

.wa-log-row.status-err {
  border-left: 4px solid #ef4444;
}

.wa-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.wa-log-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.wa-log-preview {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
  white-space: pre-line;
}

.btn-exam-whatsapp {
  background: rgba(37, 211, 102, 0.12);
  color: #128c7e;
  border: 1px solid rgba(37, 211, 102, 0.35);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.btn-exam-whatsapp:hover {
  background: #25d366;
  color: #ffffff;
  border-color: #25d366;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(37, 211, 102, 0.25);
}

.btn-wa-resend {
  background: rgba(37, 211, 102, 0.1);
  color: #128c7e;
  border: 1px solid rgba(37, 211, 102, 0.3);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-wa-resend:hover {
  background: #25d366;
  color: #ffffff;
}

/* Responsive */
@media (max-width: 1024px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .schedule-grid { grid-template-columns: repeat(2, 1fr); }
  .pomodoro-layout { grid-template-columns: 1fr; }
  .sec-metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .app-container { flex-direction: column; }
  .sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border-color); }
  .main-content { padding: 16px; }
  .schedule-grid { grid-template-columns: 1fr; }
  .pomodoro-hero-banner { flex-direction: column; align-items: flex-start; }
  .pomodoro-modes-bar { max-width: 100%; }
  .pomodoro-calibrator-card { max-width: 100%; }
  .timer-controls-row { flex-wrap: wrap; }
  .pomodoro-stats-strip { grid-template-columns: 1fr; }
  .sec-metrics-grid { grid-template-columns: 1fr; }
  .sec-session-card { flex-direction: column; align-items: flex-start; }
  .sec-banner { flex-direction: column; align-items: flex-start; gap: 14px; }
}

/* ==========================================================================
   SISTEMA DE AUTENTICAÇÃO & SEGURANÇA (AUDITORIA E SESSÕES ATIVAS)
   ========================================================================== */

/* Topbar User Badge */
.topbar-user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 4px 6px 4px 12px;
  border-radius: var(--radius-full);
}

.topbar-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.topbar-user-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: left;
}

.topbar-user-meta strong {
  font-size: 0.82rem;
  color: var(--text-main);
  max-width: 110px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-user-role {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
}

.btn-logout {
  border: none;
  background-color: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
}

.btn-logout:hover {
  background-color: #ef4444;
  color: #ffffff;
  transform: translateY(-1px);
}

/* Tela de Login Obrigatória (Overlay) */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.25s ease;
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.login-header {
  text-align: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border-color);
}

.login-logo-mark {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.login-header h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.login-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.login-body {
  padding: 24px 28px;
}

.login-alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #dc2626;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.login-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.login-input-icon {
  position: absolute;
  left: 12px;
  font-size: 1.05rem;
  pointer-events: none;
}

.login-input-wrap input {
  width: 100%;
  padding: 11px 40px 11px 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.92rem;
  transition: all 0.2s;
  outline: none;
}

.login-input-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.btn-toggle-pass {
  position: absolute;
  right: 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.05rem;
  padding: 4px;
}

.login-remember-row {
  display: flex;
  align-items: center;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.login-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.btn-login-submit {
  width: 100%;
  height: 48px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: all 0.2s;
}

.btn-login-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
}

.login-btn-arrow {
  transition: transform 0.2s;
}

.btn-login-submit:hover .login-btn-arrow {
  transform: translateX(4px);
}

.login-defaults-hint {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: center;
}

.qf-header {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 8px;
}

.login-hint-badges {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 6px;
  flex-wrap: wrap;
}

.btn-quick-fill {
  flex: 1;
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background-color: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.btn-quick-fill:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.16);
}

.btn-quick-fill:active {
  transform: translateY(0);
}

.qf-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.qf-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.qf-name {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-main);
}

.qf-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--primary);
  font-weight: 700;
}

.login-hint-note {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.4;
}

/* ==========================================================================
   ABA DE SEGURANÇA & AUDITORIA
   ========================================================================== */

/* Banner */
.sec-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.sec-banner-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.sec-banner-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.sec-banner-text h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.sec-banner-text p {
  font-size: 0.86rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.45;
}

.btn-sec-refresh {
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-sec-refresh:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Métricas em 4 Cards com Bordas Superiores Coloridas (Fotos 1 e 2) */
.sec-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.sec-metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top-width: 4px;
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}

.sec-metric-card.border-blue { border-top-color: #2563eb; }
.sec-metric-card.border-green { border-top-color: #10b981; }
.sec-metric-card.border-purple { border-top-color: #8b5cf6; }
.sec-metric-card.border-red { border-top-color: #ef4444; }

.sec-metric-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.sec-metric-icon {
  font-size: 1.15rem;
}

.sec-metric-label {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.sec-metric-val {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
}

.sec-metric-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Sub-abas de Navegação */
.sec-subtabs-nav {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2px;
}

.sec-subtab-btn {
  border: none;
  background: transparent;
  padding: 11px 18px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-bottom: 3px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.sec-subtab-btn:hover {
  color: var(--text-main);
}

.sec-subtab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Tabela de Auditoria (Foto 2) */
.sec-content-card {
  padding: 20px;
}

.sec-filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.sec-search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
  display: flex;
  align-items: center;
}

.sec-search-icon {
  position: absolute;
  left: 12px;
  font-size: 0.95rem;
  pointer-events: none;
}

.sec-search-box input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
}

.sec-search-box input:focus {
  border-color: var(--primary);
}

.sec-filter-dropdowns {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sec-filter-dropdowns select {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-sec-tool-action {
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-sec-tool-action:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sec-tool-action.danger:hover {
  border-color: #ef4444;
  color: #ef4444;
}

/* Tabela Estilizada */
.table-container-responsive {
  width: 100%;
  overflow-x: auto;
}

.sec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}

.sec-table th {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.sec-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.sec-table tr:hover td {
  background-color: rgba(37, 99, 235, 0.03);
}

.badge-res-success {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: rgba(16, 185, 129, 0.12);
  color: #059669;
  font-weight: 800;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.badge-res-error {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: rgba(239, 68, 68, 0.12);
  color: #dc2626;
  font-weight: 800;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.badge-role-pill {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.badge-role-pill.admin {
  background-color: rgba(139, 92, 246, 0.14);
  color: #7c3aed;
}

.badge-role-pill.aluno {
  background-color: rgba(37, 99, 235, 0.14);
  color: #2563eb;
}

.badge-role-pill.responsavel {
  background-color: rgba(245, 158, 11, 0.14);
  color: #d97706;
}

.badge-ip-mono {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

/* Sub-Aba 2: Sessões Ativas (Foto 3) */
.sec-sessions-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.sec-sessions-cards-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sec-session-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
}

.sec-session-card:hover {
  border-color: var(--border-hover);
}

.sec-session-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sec-session-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
}

.sec-session-name {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-main);
}

.sec-session-email {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sec-session-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sec-session-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-force-logout {
  background-color: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-force-logout:hover {
  background-color: #dc2626;
  color: #ffffff;
}

.btn-block-ip {
  background-color: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-block-ip:hover {
  border-color: #ef4444;
  color: #ef4444;
}

.add-ip-block-form {
  display: flex;
  gap: 10px;
}

.add-ip-block-form input {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

/* Sub-Aba 3: Usuários (Foto 1) */
.sec-users-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.sec-users-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.role-filter-chips {
  display: flex;
  gap: 6px;
}

.role-chip {
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.role-chip:hover {
  color: var(--text-main);
}

.role-chip.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.user-switch-toggle {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

.user-switch-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.user-switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--border-color);
  transition: .2s;
  border-radius: 34px;
}

.user-switch-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

.user-switch-toggle input:checked + .user-switch-slider {
  background-color: var(--accent-green);
}

.user-switch-toggle input:checked + .user-switch-slider:before {
  transform: translateX(18px);
}

/* Estilos Específicos para a Ficha e Tabela de Alunos */
.badge-grade-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.25);
  white-space: nowrap;
}

.badge-score-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-pomo-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-whatsapp-student {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(37, 211, 102, 0.12);
  color: #128c7e;
  border: 1px solid rgba(37, 211, 102, 0.35);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-whatsapp-student:hover {
  background-color: #25d366;
  color: #ffffff;
  border-color: #25d366;
}