/* ============================================================
   Smoke Signal Solutions Classroom — Theme System
   Generic accent palette with dark/light toggle.
   To re-theme for a different classroom, swap the accent block.
   ============================================================ */

/* ============================================================
   ACCENT PALETTES — one per EMS level
   Default is EMT. Applied dynamically via data-level attribute
   on <html> or via user preference.
   ============================================================ */

/* EMT (Red) — default */
:root,
[data-level="emt"] {
  --accent:            #C9302C;
  --accent-light:      #F09595;
  --accent-subtle:     #FCEBEB;
  --accent-dark:       #A32D2D;
  --accent-text:       #791F1F;
  --accent-focus:      rgba(201, 48, 44, 0.25);
  --accent-tint:       rgba(201, 48, 44, 0.1);
  --accent-tint-light: rgba(201, 48, 44, 0.05);
  --dark-deepest:      #1a0a0a;
  --dark-mid:          #2d1414;
  --dark-light:        #3d1f1f;
  --color-bg-card-rgb: 45, 20, 20;
  --color-bg-input-dark: #140808;
}

/* AEMT (Green) */
[data-level="advanced"] {
  --accent:            #2E7D32;
  --accent-light:      #97C459;
  --accent-subtle:     #EAF3DE;
  --accent-dark:       #3B6D11;
  --accent-text:       #27500A;
  --accent-focus:      rgba(46, 125, 50, 0.25);
  --accent-tint:       rgba(46, 125, 50, 0.1);
  --accent-tint-light: rgba(46, 125, 50, 0.05);
  --dark-deepest:      #0a1a0a;
  --dark-mid:          #142d14;
  --dark-light:        #1f3d1f;
  --color-bg-card-rgb: 20, 45, 20;
  --color-bg-input-dark: #080f08;
}

/* Paramedic (Blue) */
[data-level="paramedic"] {
  --accent:            #185FA5;
  --accent-light:      #85B7EB;
  --accent-subtle:     #E6F1FB;
  --accent-dark:       #0C447C;
  --accent-text:       #042C53;
  --accent-focus:      rgba(24, 95, 165, 0.25);
  --accent-tint:       rgba(24, 95, 165, 0.1);
  --accent-tint-light: rgba(24, 95, 165, 0.05);
  --dark-deepest:      #0a0e1a;
  --dark-mid:          #14202d;
  --dark-light:        #1f2f3d;
  --color-bg-card-rgb: 20, 32, 45;
  --color-bg-input-dark: #080b14;
}

/* Critical Care (Gold) */
[data-level="critical"] {
  --accent:            #BA7517;
  --accent-light:      #EF9F27;
  --accent-subtle:     #FAEEDA;
  --accent-dark:       #854F0B;
  --accent-text:       #633806;
  --accent-focus:      rgba(186, 117, 23, 0.25);
  --accent-tint:       rgba(186, 117, 23, 0.1);
  --accent-tint-light: rgba(186, 117, 23, 0.05);
  --dark-deepest:      #1a140a;
  --dark-mid:          #2d2214;
  --dark-light:        #3d301f;
  --color-bg-card-rgb: 45, 34, 20;
  --color-bg-input-dark: #140e08;
}

/* --- Dark Theme (default) — backgrounds derived from active accent palette --- */
:root {

  --color-success-green: #10b981;
  --color-warning-yellow: #FFC107;
  --color-danger-red: #ef4444;
  --color-info-blue: #3b82f6;

  --color-text-primary: #ffffff;
  --color-text-secondary: #e5e7eb;
  --color-text-muted: rgba(255,255,255,0.6);
  --color-text-dark: #1f2937;

  --color-bg-body: var(--dark-deepest);
  --color-bg-card: rgba(var(--color-bg-card-rgb), 0.85);
  --color-bg-card-header: var(--dark-light);
  --color-bg-input: var(--color-bg-input-dark);
  --color-border: rgba(255, 255, 255, 0.12);

  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  --gradient-dark: linear-gradient(135deg, var(--dark-mid) 0%, var(--dark-light) 100%);

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 8px rgba(0,0,0,0.15);

  --radius-sm: 5px;
  --radius-md: 10px;
  --radius-lg: 15px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* --- Light Theme Overrides --- */
[data-theme="light"] {
  --navy-dark: #f5f5f5;
  --navy-mid: #ffffff;
  --navy-light: #e8ecf1;

  --color-text-primary: #1f2937;
  --color-text-secondary: #4b5563;
  --color-text-muted: rgba(0, 0, 0, 0.5);
  --color-text-dark: #1f2937;

  --color-bg-body: #f5f5f5;
  --color-bg-card: rgba(255, 255, 255, 0.95);
  --color-bg-card-header: var(--accent-subtle);
  --color-bg-input: #ffffff;
  --color-border: rgba(0, 0, 0, 0.12);

  --gradient-navy: linear-gradient(135deg, #f5f5f5 0%, #e8ecf1 100%);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ============================================================
   BASE ELEMENTS
   ============================================================ */
body {
  background: var(--color-bg-body);
  color: var(--color-text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  transition: background var(--transition-normal), color var(--transition-normal);
}

a { color: var(--accent-light); }
a:hover { color: #ffffff; }
[data-theme="light"] a { color: var(--accent-dark); }
[data-theme="light"] a:hover { color: var(--accent-text); }

h1, h2, h3, h4, h5, h6 { color: var(--color-text-primary); }
hr { border-color: var(--color-border); }

.text-accent { color: var(--accent) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }

/* ============================================================
   NAVBAR
   ============================================================ */
.slim-navbar {
  background: var(--accent) !important;
  border-bottom: 1px solid var(--accent-dark);
  padding: 0.35rem 0;
  box-shadow: var(--shadow-md);
  transition: background var(--transition-normal);
  z-index: 1030;
}

[data-theme="light"] .slim-navbar {
  background: var(--accent) !important;
  border-bottom: 1px solid var(--accent-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.slim-navbar .navbar-brand {
  background: none;
  padding: 0.2rem 0.5rem;
}

/* Logo: white in dark mode, white in light mode (navbar is bright accent in both) */
.logo-dark { display: inline; }
.logo-light { display: none; }
[data-theme="light"] .logo-dark { display: inline; }
[data-theme="light"] .logo-light { display: none; }

.slim-navbar .nav-link {
  color: var(--accent) !important;
  background: linear-gradient(180deg, #ffffff 0%, #e0e0e0 100%) !important;
  border: 1px solid rgba(0,0,0,0.1) !important;
  border-bottom: 3px solid rgba(0,0,0,0.15) !important;
  border-radius: 20px !important;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.3rem 1rem !important;
  transition: all 0.15s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.8);
  margin-right: 0.3rem;
}
.slim-navbar .nav-link:hover {
  background: linear-gradient(180deg, #ffffff 0%, #ebebeb 100%) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.8);
}
.slim-navbar .nav-link:active {
  transform: translateY(1px);
  border-bottom-width: 1px !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2), inset 0 1px 2px rgba(0,0,0,0.1);
}

.slim-navbar .navbar-text {
  color: var(--color-text-secondary) !important;
  font-size: 0.85rem;
}
[data-theme="light"] .slim-navbar .navbar-text {
  color: rgba(255,255,255,0.85) !important;
}

/* Logout button: 3D pill on accent navbar */
.slim-navbar .nav-logout-btn {
  color: var(--accent) !important;
  background: linear-gradient(180deg, #ffffff 0%, #e0e0e0 100%) !important;
  border: 1px solid rgba(0,0,0,0.1) !important;
  border-bottom: 3px solid rgba(0,0,0,0.15) !important;
  border-radius: 20px !important;
  padding: 0.3rem 1rem !important;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.15s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.8);
}
.slim-navbar .nav-logout-btn:hover {
  background: linear-gradient(180deg, #ffffff 0%, #ebebeb 100%) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.8);
}
.slim-navbar .nav-logout-btn:active {
  transform: translateY(1px);
  border-bottom-width: 1px !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2), inset 0 1px 2px rgba(0,0,0,0.1);
}

/* Hamburger: always white on accent navbar */
.slim-navbar .navbar-toggler {
  border-color: rgba(255,255,255,0.3);
}
[data-theme="light"] .slim-navbar .navbar-toggler {
  border-color: rgba(255,255,255,0.3);
}
[data-theme="light"] .slim-navbar .navbar-toggler-icon {
  filter: none;
}

/* Level select: styled for accent navbar */
.slim-navbar .form-select {
  background-color: rgba(255,255,255,0.15) !important;
  border-color: rgba(255,255,255,0.3) !important;
  color: #fff !important;
}
.slim-navbar .form-select:focus {
  box-shadow: 0 0 0 0.2rem rgba(255,255,255,0.2) !important;
}
.slim-navbar .form-select option {
  background: #1f2937;
  color: #fff;
}

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
#themeToggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  line-height: 1;
}
#themeToggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}
[data-theme="light"] #themeToggle {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
}
[data-theme="light"] #themeToggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.card.border-accent {
  border: 2px solid var(--accent);
}

.card-header {
  background: var(--color-bg-card-header);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.card-body { color: var(--color-text-primary); }

[data-theme="light"] .card {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #1f2937;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .card-header {
  background: var(--accent-subtle);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  color: #1f2937;
}
[data-theme="light"] .card-body { color: #1f2937; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary,
[data-theme="light"] .btn-primary {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}
.btn-primary:hover,
[data-theme="light"] .btn-primary:hover {
  background: var(--accent-dark) !important;
  border-color: var(--accent-dark) !important;
  color: #fff !important;
}

.btn-outline-primary,
[data-theme="light"] .btn-outline-primary {
  color: var(--accent);
  border-color: var(--accent);
  background: transparent;
}
.btn-outline-primary:hover,
[data-theme="light"] .btn-outline-primary:hover {
  background: var(--accent);
  color: #fff;
}

.btn-outline-secondary {
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}
.btn-outline-secondary:hover {
  background: rgba(255,255,255,0.05);
  color: var(--color-text-primary);
  border-color: rgba(255,255,255,0.3);
}
[data-theme="light"] .btn-outline-secondary {
  border-color: rgba(0, 0, 0, 0.2);
  color: #4b5563;
}
[data-theme="light"] .btn-outline-secondary:hover {
  background: rgba(0, 0, 0, 0.05);
  color: #1f2937;
  border-color: rgba(0, 0, 0, 0.3);
}

/* ============================================================
   FORMS & INPUTS
   ============================================================ */
.form-control, .form-select {
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus, .form-select:focus {
  background: var(--color-bg-input);
  border-color: var(--accent);
  color: var(--color-text-primary);
  box-shadow: 0 0 0 0.2rem var(--accent-focus);
}
.form-control::placeholder { color: var(--color-text-muted); }

[data-theme="light"] .form-control,
[data-theme="light"] .form-select {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.15);
  color: #1f2937;
}
[data-theme="light"] .form-control:focus,
[data-theme="light"] .form-select:focus {
  background: #ffffff;
  border-color: var(--accent);
  color: #1f2937;
  box-shadow: 0 0 0 0.2rem var(--accent-focus);
}
[data-theme="light"] .form-control::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

/* ============================================================
   LIST GROUPS
   ============================================================ */
.list-group-item {
  background: var(--color-bg-card);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}
.list-group-item:hover {
  background: var(--dark-mid);
}

[data-theme="light"] .list-group-item {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  color: #1f2937;
}
[data-theme="light"] .list-group-item:hover {
  background: var(--accent-tint-light);
}

/* ============================================================
   BADGES
   ============================================================ */
.badge.bg-secondary {
  background: var(--dark-light) !important;
}
[data-theme="light"] .badge.bg-secondary {
  background: #e8ecf1 !important;
  color: #4b5563 !important;
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumb-item.active { color: var(--color-text-muted); }
.breadcrumb-item + .breadcrumb-item::before { color: var(--color-text-muted); }

[data-theme="light"] .breadcrumb-item.active { color: rgba(0,0,0,0.5); }

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress {
  background: var(--dark-mid);
}
[data-theme="light"] .progress {
  background: #e5e7eb;
}
.progress-bar {
  background: var(--accent) !important;
  transition: width 0.3s;
}

/* ============================================================
   ACTIVITY-SPECIFIC STYLES
   ============================================================ */

/* Reading */
.reading-section {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin-bottom: 2rem;
}
.prompt-box {
  background: var(--dark-mid);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
}
[data-theme="light"] .prompt-box {
  background: #f0f2f5;
}
.model-answer-box {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success-green);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 0.75rem;
}

/* Matching game */
.match-card { cursor: pointer; transition: all 0.2s; user-select: none; }
.match-card:hover { border-color: var(--accent) !important; }
.match-card.selected { border-color: var(--accent) !important; background: var(--accent-tint); }
.match-card.correct { border-color: var(--color-success-green) !important; background: rgba(16, 185, 129, 0.15); }
.match-card.wrong { border-color: var(--color-danger-red) !important; animation: shake 0.3s; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }

/* Flashcards */
.flashcard { min-height: 220px; cursor: pointer; transition: transform 0.15s; }
.flashcard:hover { transform: scale(1.01); }
.flashcard .card-body { display: flex; align-items: center; justify-content: center; text-align: center; padding: 2rem; }
.flashcard-front { font-size: 1.2rem; font-weight: 600; }
.flashcard-back { font-size: 1.1rem; }

/* Labeling game */
.hotspot-item.correct input { border-color: var(--color-success-green) !important; background: rgba(16, 185, 129, 0.15) !important; }
.hotspot-item.wrong input { border-color: var(--color-danger-red) !important; background: rgba(239, 68, 68, 0.15) !important; }

/* Short answer */
.sa-question {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin-bottom: 2rem;
}

/* Quiz buttons */
.quiz-option {
  border-color: var(--color-border);
  color: var(--color-text-primary);
  text-align: left;
}
.quiz-option:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-tint);
  color: var(--color-text-primary);
}
[data-theme="light"] .quiz-option {
  border-color: rgba(0,0,0,0.15);
  color: #1f2937;
}
[data-theme="light"] .quiz-option:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-tint-light);
  color: #1f2937;
}
