/* ==========================================================================
   AURA ACADEMY - WHITE BACKGROUND GAMING VIBE DESIGN SYSTEM
   Colors (Strictly from Logo Image):
     - Background: Pure White (#FFFFFF)
     - Text & Dark Accents: Pure Black (#000000) & Dark Brown (#4C301D)
     - Electric Orange: #F58C4D
     - Golden Yellow: #F4A62C
   Tagline: "YOUR SUCCESS MATE"
   ========================================================================== */

:root {
  /* Strict Logo Image Color Palette */
  --color-black: #000000;
  --color-orange: #F58C4D;
  --color-gold: #F4A62C;
  --color-brown: #4C301D;
  --color-white: #FFFFFF;

  /* Theme Mapping (White Primary Background) */
  --bg-primary: #FFFFFF;
  --bg-secondary: #FFF9F5;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFF4EC;
  --bg-glass: rgba(255, 255, 255, 0.95);
  --border-glass: rgba(76, 48, 29, 0.18);
  --border-glow: #F58C4D;

  /* Accents & Text (Max Contrast Black & Dark Brown) */
  --accent-orange: #F58C4D;
  --accent-gold: #F4A62C;
  --accent-brown: #4C301D;
  --text-primary: #000000;
  --text-secondary: #4C301D;
  --text-muted: #6e5746;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #F58C4D 0%, #F4A62C 100%);
  --grad-logo: linear-gradient(135deg, #F4A62C 0%, #F58C4D 100%);
  --grad-dark: linear-gradient(180deg, #4C301D 0%, #000000 100%);
  --grad-banner: linear-gradient(135deg, #4C301D 0%, #1f1209 100%);
  --grad-card-banner: linear-gradient(135deg, #F58C4D 0%, #F4A62C 100%);

  /* Neon Glows & Shadows */
  --glow-orange: 0 0 20px rgba(245, 140, 77, 0.4);
  --glow-gold: 0 0 20px rgba(244, 166, 44, 0.4);
  --shadow-hud: 0 10px 30px rgba(76, 48, 29, 0.12), inset 0 0 15px rgba(245, 140, 77, 0.05);

  /* Corner Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', monospace;
}

/* Base Styles - Pure White Background */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-white);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(245, 140, 77, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 90%, rgba(244, 166, 44, 0.08) 0%, transparent 40%),
    linear-gradient(to right, rgba(76, 48, 29, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(76, 48, 29, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

a {
  color: var(--color-orange);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-brown);
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: var(--font-heading);
  background: none;
}

input, select, textarea {
  font-family: var(--font-body);
  outline: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-white);
}
::-webkit-scrollbar-thumb {
  background: var(--color-orange);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-brown);
}

/* ==========================================================================
   NAVIGATION BAR (WHITE BACKGROUND GAMER HUD)
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid var(--color-orange);
  box-shadow: 0 4px 20px rgba(76, 48, 29, 0.08);
  padding: 0.85rem 0;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-logo-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-orange);
  box-shadow: var(--glow-orange);
  background: var(--color-white);
  padding: 2px;
  transition: var(--transition);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.1) rotate(6deg);
  border-color: var(--color-brown);
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-black);
  letter-spacing: -0.5px;
}

.brand-name span.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tagline {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-brown);
}

/* Search Bar */
.nav-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrapper i.search-icon {
  position: absolute;
  left: 1.1rem;
  color: var(--color-orange);
  font-size: 1rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.7rem 1rem 0.7rem 2.8rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-full);
  color: var(--color-black);
  font-size: 0.9rem;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--color-orange);
  box-shadow: var(--glow-orange);
  background: #FFFBF7;
}

.search-shortcut {
  position: absolute;
  right: 0.85rem;
  background: #FFF2E8;
  border: 1px solid var(--color-orange);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--color-brown);
  font-family: var(--font-mono);
  font-weight: 800;
}

/* Search Dropdown */
.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #FFFFFF;
  border: 2px solid var(--color-orange);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(76, 48, 29, 0.15);
  max-height: 380px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
}

.search-results-dropdown.active {
  display: block;
}

.search-result-item {
  padding: 0.85rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  cursor: pointer;
  transition: var(--transition);
}

.search-result-item:hover {
  background: #FFF4EC;
}

/* Action Buttons */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  color: var(--color-brown);
  transition: var(--transition);
  position: relative;
}

.btn-icon:hover {
  background: #FFF4EC;
  color: var(--color-orange);
  border-color: var(--color-orange);
  box-shadow: var(--glow-orange);
  transform: translateY(-2px);
}

.btn-icon .badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--color-orange);
  color: #FFFFFF;
  font-weight: 900;
  font-size: 0.7rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--grad-primary);
  color: #FFFFFF;
  font-weight: 900;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  box-shadow: var(--glow-orange);
  transition: var(--transition);
  border: 1px solid var(--color-gold);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 25px rgba(245, 140, 77, 0.6);
  background: var(--grad-logo);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  color: var(--color-black);
  font-weight: 800;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: #FFF4EC;
  border-color: var(--color-orange);
  color: var(--color-orange);
}

/* User Profile Badge */
.user-nav-profile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.85rem 0.35rem 0.4rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-orange);
  border-radius: var(--radius-full);
  box-shadow: var(--glow-orange);
  cursor: pointer;
}

.user-nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.85rem;
}

.user-nav-name {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-black);
}

/* ==========================================================================
   FRONT DASHBOARD GAMER HERO BANNER (DARK BROWN BRAND BANNER)
   ========================================================================== */

.hero-dashboard-banner {
  margin: 1.75rem auto 2.5rem;
  background: var(--grad-banner);
  border: 2px solid var(--color-orange);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(76, 48, 29, 0.25), var(--glow-orange);
  color: #FFFFFF;
}

.hero-dashboard-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-primary);
}

.banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  position: relative;
  z-index: 2;
}

.banner-text-side {
  max-width: 680px;
}

.banner-tagline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: rgba(244, 166, 44, 0.2);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-full);
  color: var(--color-gold);
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.banner-title {
  font-size: 3rem;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 1.15rem;
  color: #FFFFFF;
}

.banner-title span.glow {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.banner-subtitle {
  font-size: 1.1rem;
  color: #f3e9e1;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.banner-actions {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  flex-wrap: wrap;
}

.banner-graphic-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.banner-logo-hero {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-orange);
  box-shadow: 0 0 45px rgba(245, 140, 77, 0.6);
  background: #FFFFFF;
  padding: 8px;
  animation: float-logo 4s ease-in-out infinite alternate;
}

@keyframes float-logo {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-12px) rotate(4deg); }
}

/* Trending Tags Bar */
.trending-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.trending-label {
  font-size: 0.85rem;
  color: var(--color-brown);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tag-pill {
  padding: 0.4rem 1rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-black);
  cursor: pointer;
  transition: var(--transition);
}

.tag-pill:hover, .tag-pill.active {
  background: #FFF4EC;
  border-color: var(--color-orange);
  color: var(--color-orange);
  box-shadow: var(--glow-orange);
}

/* Gamer Stats Counters */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-top: 2.25rem;
}

.stat-card {
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(245, 140, 77, 0.4);
  border-radius: var(--radius-md);
  padding: 1.35rem 1rem;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--grad-logo);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}

/* ==========================================================================
   SUBJECTS & CATEGORIES BAR
   ========================================================================== */

.subject-filter-section {
  padding: 1.5rem 0;
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-black);
}

.section-title i {
  color: var(--color-orange);
}

.filter-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-select {
  padding: 0.6rem 1rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-sm);
  color: var(--color-black);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

.filter-select:focus {
  border-color: var(--color-orange);
  box-shadow: var(--glow-orange);
}

/* Subject Grid Cards */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

.subject-card {
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-md);
  padding: 1.35rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 4px 15px rgba(76, 48, 29, 0.06);
}

.subject-card:hover, .subject-card.active {
  background: #FFF4EC;
  border-color: var(--color-orange);
  transform: translateY(-4px);
  box-shadow: var(--glow-orange);
}

.subject-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #FFFFFF;
  background: var(--grad-primary);
}

.subject-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-black);
  text-transform: uppercase;
}

.subject-count {
  font-size: 0.75rem;
  color: var(--color-brown);
  font-weight: 700;
}

/* ==========================================================================
   NOTES CATALOG GRID
   ========================================================================== */

.notes-catalog-section {
  padding: 1rem 0 4rem;
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

/* Single Note Card (White Background) */
.note-card {
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 8px 25px rgba(76, 48, 29, 0.08);
}

.note-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-orange);
  box-shadow: 0 15px 35px rgba(76, 48, 29, 0.15), var(--glow-orange);
}

.note-card-banner {
  height: 135px;
  position: relative;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.note-card-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(76, 48, 29, 0.1) 0%, rgba(76, 48, 29, 0.85) 100%);
}

.note-badge-group {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.level-badge {
  padding: 0.3rem 0.75rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-orange);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-brown);
  text-transform: uppercase;
}

.bookmark-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.bookmark-btn:hover, .bookmark-btn.saved {
  color: #FFFFFF;
  background: var(--color-orange);
  border-color: var(--color-orange);
  box-shadow: var(--glow-orange);
}

.note-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.note-meta-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-brown);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.note-meta-top span i {
  margin-right: 0.35rem;
  color: var(--color-orange);
}

.note-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.35;
  color: var(--color-black);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-description {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.note-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.author-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  color: #FFFFFF;
}

.author-name {
  font-size: 0.8rem;
  color: var(--color-brown);
  font-weight: 700;
}

.btn-open-note {
  padding: 0.5rem 1.1rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-orange);
  border-radius: var(--radius-full);
  color: var(--color-orange);
  font-weight: 900;
  font-size: 0.8rem;
  text-transform: uppercase;
  transition: var(--transition);
}

.btn-open-note:hover {
  background: var(--grad-primary);
  color: #FFFFFF;
  border-color: var(--color-orange);
  box-shadow: var(--glow-orange);
}

/* ==========================================================================
   FLASHCARDS ACTIVE RECALL INTERFACE
   ========================================================================== */

.flashcards-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  max-width: 650px;
  margin: 0 auto;
}

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

.flashcard {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-lg);
  box-shadow: 0 15px 35px rgba(76, 48, 29, 0.15);
}

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

.flashcard-front, .flashcard-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px solid var(--color-orange);
}

.flashcard-front {
  background: #FFFFFF;
  color: #000000;
}

.flashcard-back {
  background: #FFF4EC;
  color: #000000;
  transform: rotateY(180deg);
  border-color: var(--color-brown);
}

.flashcard-label {
  position: absolute;
  top: 1.25rem;
  left: 1.5rem;
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-orange);
}

.flashcard-text {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.5;
  color: #000000;
}

.flashcard-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.btn-card-nav {
  padding: 0.65rem 1.5rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-full);
  color: var(--color-black);
  font-weight: 800;
  font-size: 0.9rem;
  transition: var(--transition);
}

.btn-card-nav:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
  box-shadow: var(--glow-orange);
}

.card-counter {
  font-size: 0.9rem;
  color: var(--color-brown);
  font-weight: 800;
}

/* ==========================================================================
   INTERACTIVE PRACTICE QUIZ INTERFACE
   ========================================================================== */

.quiz-container {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.quiz-progress-bar {
  height: 10px;
  background: #FFF4EC;
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--color-orange);
}

.quiz-progress-fill {
  height: 100%;
  background: var(--grad-primary);
  width: 0%;
  transition: width 0.3s ease;
}

.quiz-question-card {
  background: #FFFFFF;
  border: 2px solid var(--color-brown);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(76, 48, 29, 0.08);
}

.quiz-question-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: #000000;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.quiz-option-btn {
  padding: 1rem 1.25rem;
  background: #FFF9F5;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-md);
  color: #000000;
  font-weight: 700;
  text-align: left;
  font-size: 0.95rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-option-btn:hover {
  background: #FFF4EC;
  border-color: var(--color-orange);
}

.quiz-option-btn.correct {
  border-color: #10b981;
  background: #e6f4ea;
  color: #065f46;
}

.quiz-option-btn.wrong {
  border-color: #ef4444;
  background: #fef2f2;
  color: #991b1b;
}

.quiz-explanation-box {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: #FFF4EC;
  border: 1.5px solid var(--color-orange);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-brown);
}

/* ==========================================================================
   LOGIN / SIGN UP AUTHENTICATION MODAL
   ========================================================================== */

.auth-card {
  max-width: 440px;
  width: 100%;
  background: #FFFFFF;
  border: 2px solid var(--color-orange);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: 0 20px 50px rgba(76, 48, 29, 0.2);
  display: flex;
  flex-direction: column;
}

.auth-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.auth-logo-img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-orange);
  margin-bottom: 0.75rem;
  background: var(--color-white);
  padding: 3px;
  box-shadow: var(--glow-orange);
}

.auth-tabs {
  display: flex;
  background: #FFF4EC;
  padding: 0.3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-orange);
  margin-bottom: 1.5rem;
}

.auth-tab-btn {
  flex: 1;
  padding: 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--color-brown);
  transition: var(--transition);
  text-align: center;
}

.auth-tab-btn.active {
  background: var(--grad-primary);
  color: #FFFFFF;
  box-shadow: var(--glow-orange);
}

.auth-form-group {
  margin-bottom: 1.15rem;
}

.auth-form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-black);
  margin-bottom: 0.4rem;
}

.auth-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-input-wrapper i {
  position: absolute;
  left: 1rem;
  color: var(--color-orange);
  font-size: 0.95rem;
}

.auth-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-md);
  color: var(--color-black);
  font-size: 0.9rem;
  transition: var(--transition);
}

.auth-input:focus {
  border-color: var(--color-orange);
  box-shadow: var(--glow-orange);
}

.auth-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
  color: var(--color-brown);
}

.auth-social-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn-social {
  padding: 0.65rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-md);
  color: var(--color-black);
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-social:hover {
  border-color: var(--color-orange);
  background: #FFF4EC;
}

/* ==========================================================================
   NOTE READER MODAL WORKSPACE (WHITE BACKGROUND)
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  width: 100%;
  max-width: 1100px;
  height: 90vh;
  background: #FFFFFF;
  border: 2px solid var(--color-orange);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 1rem 1.5rem;
  background: var(--color-brown);
  border-bottom: 2px solid var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: #FFFFFF;
}

.modal-title-group h3 {
  font-size: 1.25rem;
  color: #FFFFFF;
}

.modal-nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #FFFFFF;
  padding: 0.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-orange);
}

.tab-btn {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--color-brown);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tab-btn.active {
  background: var(--grad-primary);
  color: #FFFFFF;
  box-shadow: var(--glow-orange);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1.5px solid var(--color-orange);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: #FFFFFF;
  background: var(--color-orange);
  box-shadow: var(--glow-orange);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
  background: #FFFFFF;
}

/* YouTube Video Player Embed */
.video-embed-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(76, 48, 29, 0.18);
  border: 2px solid var(--color-orange);
  background: #000000;
  margin-bottom: 1.5rem;
}

.video-embed-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-chapter-box {
  background: #FFF4EC;
  border: 1.5px solid var(--color-orange);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
}

.chapter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-brown);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-black);
  cursor: pointer;
  transition: var(--transition);
  margin: 0.3rem;
}

.chapter-badge:hover {
  background: var(--color-orange);
  color: #FFFFFF;
  border-color: var(--color-orange);
  box-shadow: var(--glow-orange);
}

/* Rendered Note Content */
.note-rendered-content {
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.85;
  font-size: 1.05rem;
  color: #000000;
}

.note-rendered-content h1 {
  font-size: 2.2rem;
  margin: 1.5rem 0 1rem;
  border-bottom: 2px solid var(--color-orange);
  padding-bottom: 0.5rem;
  color: var(--color-black);
}

.note-rendered-content h2 {
  font-size: 1.6rem;
  margin: 1.5rem 0 0.85rem;
  color: var(--color-orange);
}

.note-rendered-content h3 {
  font-size: 1.3rem;
  margin: 1.25rem 0 0.75rem;
  color: var(--color-brown);
}

.note-rendered-content blockquote {
  border-left: 4px solid var(--color-orange);
  background: #FFF4EC;
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-brown);
}

.concept-box {
  background: #FFF7F0;
  border: 1.5px solid var(--color-orange);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.concept-box h4 {
  color: var(--color-brown);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Audio Player Bar */
.audio-player-bar {
  background: #FFF9F5;
  border-top: 2px solid var(--color-orange);
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-audio-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--glow-orange);
}

/* ==========================================================================
   POMODORO & AURA AI WIDGETS
   ========================================================================== */

.floating-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-end;
}

.pomo-timer-drawer {
  background: #FFFFFF;
  border: 2px solid var(--color-orange);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 15px 35px rgba(76, 48, 29, 0.2);
  width: 280px;
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.pomo-timer-drawer.active {
  display: flex;
}

.pomo-display {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-orange);
  margin: 0.75rem 0;
}

/* Aura AI Drawer */
.ai-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  background: #FFFFFF;
  border-left: 2px solid var(--color-orange);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 35px rgba(76, 48, 29, 0.15);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ai-drawer.active {
  transform: translateX(0);
}

.ai-header {
  padding: 1.25rem;
  background: var(--color-brown);
  border-bottom: 2px solid var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #FFFFFF;
}

.ai-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-bubble.bot {
  background: #FFF4EC;
  border: 1px solid var(--color-orange);
  align-self: flex-start;
  color: #000000;
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  background: var(--grad-primary);
  align-self: flex-end;
  color: #FFFFFF;
  font-weight: 800;
  border-bottom-right-radius: 4px;
}

/* ==========================================================================
   FULLY RESPONSIVE — ALL DEVICES (Desktop → Tablet → Mobile → Small)
   Breakpoints: 1200 | 992 | 768 | 600 | 480 | 360
   ========================================================================== */

/* ── 1200px: Large tablets / small laptops ── */
@media (max-width: 1200px) {
  .container { padding: 0 1.25rem; }
  .modal-container { max-width: 98vw; }
  .notes-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

/* ── 992px: Tablets landscape ── */
@media (max-width: 992px) {
  .banner-content   { flex-direction: column; text-align: center; }
  .banner-text-side { max-width: 100%; }
  .banner-actions   { justify-content: center; flex-wrap: wrap; }
  .trending-tags    { justify-content: center; flex-wrap: wrap; }
  .hero-title, .banner-title { font-size: 2.2rem; }
  .stat-strip { gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
  .notes-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
  .subject-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }

  /* Modal: shrink but keep functional */
  .modal-container { max-width: 98vw; height: 95vh; }
  .modal-header { flex-wrap: wrap; gap: 0.75rem; padding: 0.85rem 1rem; }
  .modal-title-group h3 { font-size: 1rem; }
  .modal-nav-tabs { gap: 0.2rem; }
  .tab-btn { padding: 0.4rem 0.75rem; font-size: 0.78rem; }
}

/* ── 768px: Tablets portrait / large phones ── */
@media (max-width: 768px) {
  /* Navbar */
  .nav-search { display: none; }
  .nav-content { gap: 0.5rem; }
  .nav-actions { gap: 0.35rem; }
  .btn-primary span, .btn-secondary span { display: none; }
  .brand-tagline { display: none; }

  /* Hero Banner */
  .hero-dashboard-banner { padding: 1.5rem 1rem; border-radius: 12px; }
  .hero-title, .banner-title { font-size: 1.9rem; }
  .hero-stats, .stat-strip { gap: 1rem; }

  /* Subject Grid — 2 columns on tablet */
  .subject-grid { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
  .subject-card { padding: 1rem 0.75rem; }

  /* Notes Grid — single column */
  .notes-grid { grid-template-columns: 1fr; gap: 1rem; }

  /* Modal — full screen on mobile */
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal-container {
    width: 100%;
    max-width: 100%;
    height: 96vh;
    border-radius: 20px 20px 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
  }
  .modal-overlay.active .modal-container { transform: scale(1) translateY(0); }

  /* Modal header: stack title on its own line */
  .modal-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.9rem 1rem 0.7rem;
  }
  .modal-header > * { width: 100%; }
  .modal-nav-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
    justify-content: flex-start;
  }
  .modal-nav-tabs::-webkit-scrollbar { display: none; }
  .tab-btn { white-space: nowrap; font-size: 0.76rem; padding: 0.38rem 0.7rem; }
  .modal-close-btn {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    width: 32px;
    height: 32px;
  }
  .modal-title-group { width: calc(100% - 2.5rem); }
  .modal-title-group h3 { font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* Modal body */
  .modal-body { padding: 1rem; }
  .note-rendered-content { font-size: 0.95rem; }
  .note-rendered-content h1 { font-size: 1.5rem; }
  .note-rendered-content h2 { font-size: 1.2rem; }

  /* Flashcards */
  .flashcard-wrapper { height: 240px; }
  .flashcard-text { font-size: 1.05rem; }
  .flashcards-container { min-height: 340px; }

  /* Auth modal */
  .auth-card { padding: 1.5rem 1.2rem; }

  /* Floating widgets — move to bottom-left on mobile */
  .floating-widget { bottom: 1rem; right: 1rem; }
  .pomo-timer-drawer { width: calc(100vw - 2rem); max-width: 300px; }

  /* AI Drawer — full width */
  .ai-drawer { width: 100%; }

  /* Audio player bar */
  .audio-player-bar { flex-wrap: wrap; gap: 0.6rem; padding: 0.7rem 0.85rem; }
  .audio-settings-group { flex-wrap: wrap; gap: 0.4rem; width: 100%; }
  .audio-select { max-width: calc(33% - 0.3rem); font-size: 0.7rem; flex: 1; }

  /* Footer */
  footer > .container > div:first-child { max-width: 100% !important; }
  footer .container > div { flex-direction: column !important; gap: 1.5rem !important; }
}

/* ── 600px: Large smartphones ── */
@media (max-width: 600px) {
  .container { padding: 0 0.85rem; }
  .filter-controls { flex-wrap: wrap; gap: 0.5rem; }
  .filter-select { flex: 1; min-width: 120px; font-size: 0.78rem; }
  .section-title { font-size: 1.25rem; }
  .filter-header { flex-direction: column; align-items: flex-start; }

  /* Subject grid — 2 small columns */
  .subject-grid { grid-template-columns: repeat(2, 1fr); gap: 0.65rem; }
  .subject-icon { width: 42px; height: 42px; font-size: 1.2rem; }
  .subject-name { font-size: 0.82rem; }

  /* Note card thumbnails */
  .note-card-thumbnail { min-height: 160px; }
  .thumb-play-btn { width: 50px; height: 50px; font-size: 1.5rem; }

  /* Quiz */
  .quiz-question-card { padding: 1.25rem 1rem; }
  .quiz-question-title { font-size: 1.05rem; }
  .quiz-option-btn { font-size: 0.85rem; padding: 0.75rem 1rem; }

  /* Note content tables — scrollable */
  .note-rendered-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 0.82rem;
  }
  .note-rendered-content pre, .note-rendered-content code {
    font-size: 0.78rem;
    overflow-x: auto;
    display: block;
  }
}

/* ── 480px: Standard smartphones ── */
@media (max-width: 480px) {
  .hero-title, .banner-title { font-size: 1.6rem; line-height: 1.25; }
  .brand-name { font-size: 1.05rem; }
  .brand-logo-img { width: 36px; height: 36px; }
  .brand-tagline { display: none; }

  /* Single column subjects on small phones */
  .subject-grid { grid-template-columns: repeat(2, 1fr); gap: 0.55rem; }

  /* Modal body tighter */
  .modal-body { padding: 0.75rem; }
  .modal-container { height: 100vh; border-radius: 0; }
  .modal-overlay { padding: 0; align-items: flex-start; }

  /* Flashcard smaller */
  .flashcard-wrapper { height: 200px; }
  .flashcard-front, .flashcard-back { padding: 1.5rem 1rem; }
  .flashcard-text { font-size: 0.95rem; }
  .flashcard-controls { gap: 0.75rem; }
  .btn-card-nav { padding: 0.5rem 1rem; font-size: 0.8rem; }

  /* Auth card full width */
  .auth-card { max-width: 100%; border-radius: 0; min-height: 100vh; justify-content: center; }
  .modal-overlay[id="authModalOverlay"] { align-items: flex-start; padding: 0; }

  /* Pomodoro full width */
  .pomo-timer-drawer { width: calc(100vw - 2rem); }

  /* Audio player stacked */
  .audio-player-bar { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .audio-controls-group { width: 100%; }
  .audio-info-group { width: 100%; }
  .audio-settings-group { width: 100%; }
  .audio-select { flex: 1; max-width: 100%; }
  .audio-setting-item { flex: 1; }

  /* Video chapter badges wrap */
  .chapter-badge { font-size: 0.72rem; padding: 0.3rem 0.6rem; }
}

/* ── 360px: Very small / budget phones ── */
@media (max-width: 360px) {
  .hero-title, .banner-title { font-size: 1.4rem; }
  .brand-name { font-size: 0.95rem; }
  .brand-logo-img { width: 32px; height: 32px; }
  .subject-grid { grid-template-columns: 1fr 1fr; gap: 0.45rem; }
  .subject-card { padding: 0.75rem 0.5rem; gap: 0.5rem; }
  .subject-icon { width: 36px; height: 36px; font-size: 1rem; }
  .subject-name { font-size: 0.75rem; }
  .tab-btn { padding: 0.3rem 0.55rem; font-size: 0.7rem; }
  .modal-body { padding: 0.5rem; }
  .note-rendered-content { font-size: 0.88rem; }
  .quiz-option-btn { font-size: 0.78rem; padding: 0.65rem 0.75rem; }
  .floating-widget { bottom: 0.5rem; right: 0.5rem; }
}

/* ==========================================================================
   YOUTUBE THUMBNAIL ON NOTE CARDS
   ========================================================================== */

.note-card-thumbnail {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: #1a1a1a;
  min-height: 185px;
}

.note-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.45s ease;
  filter: brightness(0.82);
}

.note-card-thumbnail:hover .note-thumb-img {
  transform: scale(1.07);
  filter: brightness(0.6);
}

.thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(0,0,0,0.22) 0%,
    rgba(0,0,0,0.0)  38%,
    rgba(0,0,0,0.0)  52%,
    rgba(0,0,0,0.70) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.thumb-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.88);
  z-index: 2;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,0,0,0.55), 0 0 0 3px rgba(255,255,255,0.25);
  transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.note-card-thumbnail:hover .thumb-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  background: #ff0000;
  box-shadow: 0 6px 30px rgba(255,0,0,0.75), 0 0 0 4px rgba(255,255,255,0.35);
}

.note-card-thumbnail .note-badge-group {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  right: 0.6rem;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.thumb-video-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding: 0.5rem 0.85rem;
  background: linear-gradient(90deg, rgba(245,140,77,0.95), rgba(244,166,44,0.95));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.note-card-thumbnail:hover .thumb-video-label {
  transform: translateY(0);
}

/* ==========================================================================
   WOMEN VOICE AUDIO PLAYER BAR
   ========================================================================== */

.audio-player-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(135deg, #fff0f7 0%, #fff8ec 100%);
  border: 1.5px solid rgba(233, 30, 140, 0.18);
  border-radius: 14px;
  padding: 0.75rem 1.1rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
  box-shadow: 0 2px 16px rgba(233,30,140,0.08);
}

/* Waveform bars */
.audio-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
  flex-shrink: 0;
}

.audio-wave span {
  display: block;
  width: 4px;
  border-radius: 3px;
  background: linear-gradient(180deg, #e91e8c, #F4A62C);
  height: 5px;
  transition: height 0.2s ease;
  opacity: 0.35;
}

/* Animated when active */
.audio-wave.active span { opacity: 1; }
.audio-wave.active span:nth-child(1) { animation: wave 0.8s ease-in-out infinite; }
.audio-wave.active span:nth-child(2) { animation: wave 0.8s ease-in-out 0.10s infinite; }
.audio-wave.active span:nth-child(3) { animation: wave 0.8s ease-in-out 0.20s infinite; }
.audio-wave.active span:nth-child(4) { animation: wave 0.8s ease-in-out 0.05s infinite; }
.audio-wave.active span:nth-child(5) { animation: wave 0.8s ease-in-out 0.15s infinite; }
.audio-wave.active span:nth-child(6) { animation: wave 0.8s ease-in-out 0.25s infinite; }
.audio-wave.active span:nth-child(7) { animation: wave 0.8s ease-in-out 0.08s infinite; }
.audio-wave.active span:nth-child(8) { animation: wave 0.8s ease-in-out 0.18s infinite; }

@keyframes wave {
  0%, 100% { height: 5px; }
  50%       { height: 24px; }
}

/* Control buttons group */
.audio-controls-group {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

/* Big play/pause button */
.btn-audio-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #e91e8c, #c2185b);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 14px rgba(233,30,140,0.40);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
}
.btn-audio-play:hover {
  transform: scale(1.1);
  box-shadow: 0 5px 20px rgba(233,30,140,0.55);
}

/* Stop button */
.btn-audio-action {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid rgba(233,30,140,0.3);
  background: transparent;
  color: #e91e8c;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn-audio-action:hover {
  background: #e91e8c;
  color: #fff;
}

/* Label & status */
.audio-info-group {
  flex: 1;
  min-width: 120px;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.audio-label {
  font-size: 0.82rem;
  font-weight: 800;
  color: #c2185b;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.audio-status {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Settings group */
.audio-settings-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.audio-setting-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.audio-setting-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-brown);
  letter-spacing: 0.05em;
}
.audio-select {
  font-size: 0.75rem;
  font-family: inherit;
  background: #fff;
  border: 1.5px solid rgba(233,30,140,0.2);
  border-radius: 8px;
  padding: 0.3rem 0.5rem;
  color: var(--color-black);
  cursor: pointer;
  max-width: 160px;
  transition: border-color 0.2s;
}
.audio-select:focus {
  outline: none;
  border-color: #e91e8c;
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .audio-player-bar  { gap: 0.65rem; padding: 0.65rem 0.85rem; }
  .audio-settings-group { gap: 0.4rem; }
  .audio-select { max-width: 110px; font-size: 0.7rem; }
}