/* ============================================
   Chinese Name Generator - Premium Dark Theme
   中国风深色主题 + 水墨意境
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=Noto+Sans+SC:wght@300;400;500;700&family=Inter:wght@300;400;500;600;700&family=Noto+Serif+SC:wght@400;600;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  /* Core palette */
  --ink-black: #0a0a12;
  --deep-ink: #12121f;
  --charcoal: #1a1a2e;
  --slate: #252540;
  --muted: #6b6b8d;
  
  /* Chinese accent colors */
  --vermilion: #c41e3a;
  --vermilion-glow: #e63950;
  --gold: #d4a853;
  --gold-light: #f0d48a;
  --jade: #1a9c85;
  --jade-light: #2bc4a8;
  --moon-white: #d6ecf0;
  --paper: #f5f0e8;
  --celadon: #96c7b8;
  
  /* Gradients */
  --gradient-vermilion: linear-gradient(135deg, #c41e3a 0%, #e63950 50%, #ff6b6b 100%);
  --gradient-gold: linear-gradient(135deg, #d4a853 0%, #f0d48a 100%);
  --gradient-jade: linear-gradient(135deg, #1a9c85 0%, #2bc4a8 100%);
  --gradient-hero: linear-gradient(180deg, rgba(10,10,18,0) 0%, rgba(10,10,18,0.8) 40%, #0a0a12 100%);
  --gradient-card: linear-gradient(135deg, rgba(26,26,46,0.6) 0%, rgba(18,18,31,0.8) 100%);
  
  /* Glass effect */
  --glass-bg: rgba(26, 26, 46, 0.4);
  --glass-border: rgba(212, 168, 83, 0.15);
  --glass-blur: 20px;
  
  /* Typography */
  --font-calligraphy: 'Ma Shan Zheng', cursive;
  --font-serif-cn: 'Noto Serif SC', serif;
  --font-sans-cn: 'Noto Sans SC', sans-serif;
  --font-sans: 'Inter', 'Noto Sans SC', sans-serif;
  
  /* Spacing */
  --container-max: 1100px;
  --section-gap: 4rem;
  --card-radius: 20px;
  --btn-radius: 14px;
  
  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--ink-black);
  color: var(--moon-white);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---------- Ink Background Animation ---------- */
.ink-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.ink-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(196, 30, 58, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(26, 156, 133, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(212, 168, 83, 0.04) 0%, transparent 60%);
  animation: inkFlow 30s ease-in-out infinite;
}

.ink-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 70%, rgba(196, 30, 58, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 70% 30%, rgba(212, 168, 83, 0.05) 0%, transparent 40%);
  animation: inkFlow 20s ease-in-out infinite reverse;
}

@keyframes inkFlow {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, -2%) rotate(1deg); }
  50% { transform: translate(-1%, 3%) rotate(-1deg); }
  75% { transform: translate(-3%, -1%) rotate(0.5deg); }
}

/* ---------- Decorative Particles ---------- */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 10s; }
.particle:nth-child(2) { left: 25%; animation-delay: 2s; animation-duration: 8s; }
.particle:nth-child(3) { left: 40%; animation-delay: 4s; animation-duration: 12s; }
.particle:nth-child(4) { left: 55%; animation-delay: 1s; animation-duration: 9s; }
.particle:nth-child(5) { left: 70%; animation-delay: 3s; animation-duration: 11s; }
.particle:nth-child(6) { left: 85%; animation-delay: 5s; animation-duration: 7s; }
.particle:nth-child(7) { left: 15%; animation-delay: 6s; animation-duration: 13s; }
.particle:nth-child(8) { left: 60%; animation-delay: 7s; animation-duration: 10s; }

@keyframes particleFloat {
  0% { transform: translateY(100vh); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-10vh); opacity: 0; }
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header / Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 18, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-vermilion);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-calligraphy);
  font-size: 1.4rem;
  color: white;
  box-shadow: 0 4px 15px rgba(196, 30, 58, 0.3);
}

.logo-text {
  font-family: var(--font-serif-cn);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--moon-white);
  letter-spacing: 0.05em;
}

.logo-text span {
  color: var(--gold);
}

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--moon-white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.lang-btn:hover {
  border-color: var(--gold);
  background: rgba(212, 168, 83, 0.1);
}

.lang-btn .flag {
  font-size: 1.2rem;
}

.lang-btn .arrow {
  font-size: 0.7rem;
  transition: transform 0.3s ease;
}

.lang-selector.open .arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  max-height: 360px;
  overflow-y: auto;
  background: rgba(18, 18, 31, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s var(--ease-out-expo);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lang-selector.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  color: var(--moon-white);
}

.lang-option:hover {
  background: rgba(212, 168, 83, 0.1);
}

.lang-option.active {
  background: rgba(212, 168, 83, 0.15);
  color: var(--gold);
}

.lang-option .flag {
  font-size: 1.3rem;
}

.lang-dropdown::-webkit-scrollbar {
  width: 4px;
}

.lang-dropdown::-webkit-scrollbar-track {
  background: transparent;
}

.lang-dropdown::-webkit-scrollbar-thumb {
  background: var(--muted);
  border-radius: 2px;
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 1.5rem 3rem;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.25);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
}

.hero-title {
  font-family: var(--font-calligraphy);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s forwards;
  opacity: 0;
}

.hero-title .accent {
  background: var(--gradient-vermilion);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title .gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-weight: 300;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s forwards;
  opacity: 0;
}

/* Decorative divider */
.hero-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s forwards;
  opacity: 0;
}

.hero-divider .line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero-divider .diamond {
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- Main Content ---------- */
.main-content {
  padding: 2rem 0 4rem;
}

/* ---------- Configuration Panel ---------- */
.config-panel {
  background: var(--gradient-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  /* overflow: hidden; Removed to allow absolute suggestions dropdown to flow outside container boundaries */
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s forwards;
  opacity: 0;
}

.config-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--vermilion), var(--gold), var(--jade));
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.config-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.config-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.config-label .icon {
  font-size: 1rem;
}

/* Gender Selector */
.gender-group {
  display: flex;
  gap: 0.5rem;
}

.gender-btn {
  flex: 1;
  padding: 0.8rem;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--moon-white);
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.3s ease;
}

.gender-btn:hover {
  border-color: var(--gold);
  background: rgba(212, 168, 83, 0.05);
}

.gender-btn.active {
  border-color: var(--vermilion);
  background: rgba(196, 30, 58, 0.15);
  color: var(--vermilion-glow);
  box-shadow: 0 0 20px rgba(196, 30, 58, 0.1);
}

/* Surname Mode */
.surname-mode-group {
  display: flex;
  gap: 0.5rem;
}

.mode-btn {
  flex: 1;
  padding: 0.8rem;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--moon-white);
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all 0.3s ease;
  text-align: center;
}

.mode-btn:hover {
  border-color: var(--gold);
  background: rgba(212, 168, 83, 0.05);
}

.mode-btn.active {
  border-color: var(--jade);
  background: rgba(26, 156, 133, 0.15);
  color: var(--jade-light);
}

/* Surname Search */
.surname-search-wrapper {
  position: relative;
  display: none;
}

.surname-search-wrapper.visible {
  display: block;
  animation: slideDown 0.3s var(--ease-out-expo);
}

.surname-search {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.5rem;
  background: rgba(10, 10, 18, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--moon-white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.3s ease;
}

.surname-search:focus {
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(212, 168, 83, 0.1);
}

.surname-search::placeholder {
  color: var(--muted);
}

.surname-search-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.9rem;
}

.surname-suggestions {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background: rgba(18, 18, 31, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 0.4rem;
  z-index: 10;
  display: none;
}

.surname-suggestions.visible {
  display: block;
  animation: slideDown 0.2s var(--ease-out-expo);
}

.surname-suggestion {
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.surname-suggestion:hover {
  background: rgba(212, 168, 83, 0.1);
}

.surname-suggestion .char {
  font-family: var(--font-serif-cn);
  font-size: 1.1rem;
  color: var(--gold);
  width: 2rem;
  text-align: center;
}

.surname-suggestion .pinyin {
  color: var(--muted);
  font-size: 0.85rem;
}

/* Name Mode Tabs */
.name-mode-group {
  display: flex;
  gap: 0.5rem;
}

/* Category Tags */
.category-tags {
  display: none;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.category-tags.visible {
  display: flex;
  animation: slideDown 0.3s var(--ease-out-expo);
}

.category-tag {
  padding: 0.5rem 1rem;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--moon-white);
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-tag i {
  color: var(--gold-light);
  font-size: 0.85rem;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.category-tag:hover i {
  opacity: 1;
  color: var(--gold-light);
}

.category-tag.active i {
  opacity: 1;
  color: #fff;
  transform: scale(1.15);
}

.category-tag:hover {
  border-color: var(--gold);
  background: rgba(212, 168, 83, 0.05);
}

.category-tag.active {
  border-color: var(--gold);
  background: rgba(212, 168, 83, 0.15);
  color: var(--gold-light);
}

/* ---------- Generate Button ---------- */
.generate-section {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.5s forwards;
  opacity: 0;
}

.generate-btn {
  position: relative;
  padding: 1rem 3rem;
  font-family: var(--font-serif-cn);
  font-size: 1.2rem;
  font-weight: 600;
  color: white;
  background: var(--gradient-vermilion);
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.4s var(--ease-out-expo);
  box-shadow: 0 8px 30px rgba(196, 30, 58, 0.3);
  letter-spacing: 0.1em;
}

.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(196, 30, 58, 0.4);
}

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

.generate-btn .btn-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
}

.generate-btn.clicked .btn-ripple {
  width: 400px;
  height: 400px;
  opacity: 0;
}

/* Loading state */
.generate-btn.loading {
  pointer-events: none;
}

.generate-btn.loading .btn-text {
  opacity: 0;
}

.generate-btn .spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  opacity: 0;
  animation: none;
}

.generate-btn.loading .spinner {
  opacity: 1;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ---------- Result Card ---------- */
.result-section {
  display: none;
}

.result-section.visible {
  display: block;
  animation: fadeInUp 0.6s var(--ease-out-expo);
}

.result-card {
  background: var(--gradient-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  position: relative;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--vermilion), var(--gold));
}

/* Name Display Area */
.name-display {
  text-align: center;
  padding: 3rem 2rem 2rem;
  position: relative;
}

.name-display::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.name-chinese {
  font-family: var(--font-calligraphy);
  font-size: clamp(3rem, 10vw, 5rem);
  line-height: 1.2;
  color: var(--moon-white);
  margin-bottom: 0.5rem;
  letter-spacing: 0.2em;
  text-shadow: 0 0 40px rgba(212, 168, 83, 0.2);
  animation: nameReveal 0.8s var(--ease-out-expo);
}

@keyframes nameReveal {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    letter-spacing: 0.5em;
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    letter-spacing: 0.2em;
  }
}

.name-pinyin {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  color: var(--gold);
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

/* Audio Controls */
.audio-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.audio-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: rgba(26, 156, 133, 0.1);
  border: 1px solid rgba(26, 156, 133, 0.3);
  border-radius: 50px;
  color: var(--jade-light);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.audio-btn:hover {
  background: rgba(26, 156, 133, 0.2);
  border-color: var(--jade-light);
}

.audio-btn.speaking {
  background: rgba(26, 156, 133, 0.25);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(26, 156, 133, 0.3); }
  50% { box-shadow: 0 0 0 10px rgba(26, 156, 133, 0); }
}

.audio-btn .wave-icon {
  display: flex;
  align-items: center;
  gap: 2px;
}

.audio-btn .wave-bar {
  width: 2px;
  height: 10px;
  background: var(--jade-light);
  border-radius: 1px;
  animation: none;
}

.audio-btn.speaking .wave-bar {
  animation: waveAnim 0.6s ease-in-out infinite alternate;
}

.audio-btn .wave-bar:nth-child(1) { height: 6px; animation-delay: 0s; }
.audio-btn .wave-bar:nth-child(2) { height: 10px; animation-delay: 0.1s; }
.audio-btn .wave-bar:nth-child(3) { height: 14px; animation-delay: 0.2s; }
.audio-btn .wave-bar:nth-child(4) { height: 10px; animation-delay: 0.3s; }
.audio-btn .wave-bar:nth-child(5) { height: 6px; animation-delay: 0.4s; }

@keyframes waveAnim {
  from { transform: scaleY(0.5); }
  to { transform: scaleY(1.5); }
}

/* Name Details */
.name-details {
  padding: 2rem 2.5rem;
}

.detail-section {
  margin-bottom: 2rem;
}

.detail-section:last-child {
  margin-bottom: 0;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.detail-header .icon {
  font-size: 1rem;
}

/* Character Explanation Cards */
.char-explanations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.char-card {
  background: rgba(10, 10, 18, 0.4);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.2rem;
  text-align: center;
  transition: all 0.3s ease;
  animation: charCardReveal 0.5s var(--ease-out-expo) forwards;
  opacity: 0;
}

.char-card:nth-child(1) { animation-delay: 0.1s; }
.char-card:nth-child(2) { animation-delay: 0.2s; }
.char-card:nth-child(3) { animation-delay: 0.3s; }

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

.char-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
  transform: translateY(-2px);
}

.char-card .char {
  font-family: var(--font-calligraphy);
  font-size: 2.2rem;
  color: var(--moon-white);
  margin-bottom: 0.3rem;
}

.char-card .char-pinyin {
  font-size: 0.9rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.char-card .char-type {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.char-card .char-meaning {
  font-size: 0.85rem;
  color: var(--celadon);
  line-height: 1.5;
}

/* Overall Meaning */
.overall-meaning {
  background: rgba(212, 168, 83, 0.05);
  border-left: 3px solid var(--gold);
  border-radius: 0 12px 12px 0;
  padding: 1.2rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--moon-white);
}

.overall-meaning .meaning-cn {
  font-family: var(--font-serif-cn);
  margin-bottom: 0.5rem;
}

.overall-meaning .meaning-trans {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Source Citation */
.source-citation {
  background: rgba(10, 10, 18, 0.4);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.5rem;
}

.source-quote {
  font-family: var(--font-serif-cn);
  font-size: 1.1rem;
  line-height: 2;
  color: var(--moon-white);
  margin-bottom: 1rem;
  position: relative;
  padding-left: 1.5rem;
}

.source-quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -0.2rem;
  font-family: var(--font-serif-cn);
  font-size: 2rem;
  color: var(--vermilion);
  line-height: 1;
}

.source-quote .highlight {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: rgba(212, 168, 83, 0.3);
  text-underline-offset: 4px;
}

.source-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.source-meta-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.source-meta-item .label {
  color: var(--muted);
}

.source-meta-item .value {
  color: var(--celadon);
}

/* Translation quote */
.source-translation {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--glass-border);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Bilingual Section */
.bilingual-box {
  background: rgba(26, 156, 133, 0.05);
  border: 1px solid rgba(26, 156, 133, 0.2);
  border-radius: 14px;
  padding: 1.5rem;
}

.bilingual-row {
  margin-bottom: 1rem;
}

.bilingual-row:last-child {
  margin-bottom: 0;
}

.bilingual-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.bilingual-cn {
  font-family: var(--font-serif-cn);
  font-size: 1rem;
  color: var(--moon-white);
  margin-bottom: 0.3rem;
}

.bilingual-trans {
  font-size: 0.9rem;
  color: var(--celadon);
}

/* ---------- Regenerate Section ---------- */
.regenerate-section {
  text-align: center;
  padding-top: 2rem;
}

.regenerate-btn {
  padding: 0.8rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--gold);
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
}

.regenerate-btn:hover {
  background: rgba(212, 168, 83, 0.1);
  transform: translateY(-1px);
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
}

.footer-text {
  font-family: var(--font-serif-cn);
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.footer-text .heart {
  color: var(--vermilion);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .hero {
    min-height: 50vh;
    padding: 6rem 1rem 2rem;
  }

  .config-panel {
    padding: 1.5rem;
  }

  .config-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .name-display {
    padding: 2rem 1.5rem 1.5rem;
  }

  .name-chinese {
    font-size: 3rem;
  }

  .name-details {
    padding: 1.5rem;
  }

  .char-explanations {
    grid-template-columns: 1fr;
  }

  .audio-controls {
    flex-direction: column;
  }

  .gender-group,
  .surname-mode-group,
  .name-mode-group {
    flex-direction: column;
  }

  .source-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .navbar .container {
    padding: 0 1rem;
  }

  .logo-text {
    font-size: 1rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .name-chinese {
    font-size: 2.5rem;
    letter-spacing: 0.1em;
  }

  .generate-btn {
    width: 100%;
    padding: 1rem 2rem;
  }
}

/* ---------- Utility ---------- */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- RTL Support ---------- */
[dir="rtl"] .source-quote {
  padding-left: 0;
  padding-right: 1.5rem;
}

[dir="rtl"] .source-quote::before {
  left: auto;
  right: 0;
}

[dir="rtl"] .overall-meaning {
  border-left: none;
  border-right: 3px solid var(--gold);
  border-radius: 12px 0 0 12px;
}

/* ---------- Ad Containers ---------- */
.ad-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--deep-ink);
  border: 1px dashed var(--glass-border);
  border-radius: var(--card-radius);
  padding: 1rem;
  margin: 1.5rem auto;
  max-width: var(--container-max);
  position: relative;
  overflow: hidden;
}

.ad-badge {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.4rem;
}

/* ---------- Cookie Consent Banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  max-width: 350px;
  background: rgba(18, 18, 31, 0.95);
  border: 1px solid var(--gold);
  border-radius: var(--card-radius);
  padding: 1.2rem;
  z-index: 9999;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(var(--glass-blur));
  transition: opacity 0.5s ease, transform 0.5s ease;
  transform: translateY(0);
  opacity: 1;
}

.cookie-banner.hidden {
  display: none !important;
  opacity: 0;
  transform: translateY(20px);
}

.cookie-content {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.cookie-content p {
  font-size: 0.8rem;
  color: var(--moon-white);
  line-height: 1.4;
}

.cookie-btn {
  background: var(--gradient-gold);
  color: var(--ink-black);
  border: none;
  padding: 0.5rem 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  align-self: flex-end;
}

.cookie-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(212, 168, 83, 0.3);
}

@media (max-width: 480px) {
  .cookie-banner {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    max-width: calc(100% - 2rem);
  }
}

/* Font Awesome Button Icons Styling */
.gender-btn span i,
.mode-btn span i,
.audio-btn span i,
.regenerate-btn span i {
  margin-right: 0.3rem;
  font-size: 0.9rem;
  vertical-align: middle;
  transition: all 0.3s ease;
}

.generate-btn span i {
  margin-right: 0.5rem;
  font-size: 1.1rem;
  vertical-align: middle;
}

.navbar .arrow i {
  font-size: 0.75rem;
  margin-left: 0.3rem;
  vertical-align: middle;
}

.hero-badge i {
  margin-right: 0.3rem;
  font-size: 0.9rem;
}