/* ================================================================
   AI 地下城 — 统一样式表
   适用页面: index.html / play.html / result.html
   ================================================================ */

/* ========== CSS Variables ========== */
:root {
  --brand: #6366f1;
  --green: #22c55e;
  --purple: #a78bfa;
  --bg-primary: #ffffff;
  --bg-secondary: #fafbfc;
  --bg-elevated: #ffffff;
  --bg-nav: rgba(255,255,255,0.82);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #6b7280;
  --border: #e8ecf1;
  --border-hover: rgba(99,102,241,0.25);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
  --brand-bg: rgba(99,102,241,0.06);
  --green-bg: rgba(34,197,94,0.08);
  --story-bg: #f8f9fb;
  --input-bg: #ffffff;
}
[data-theme="dark"] {
  --bg-primary: #0b0f1a;
  --bg-secondary: #111827;
  --bg-elevated: #1e293b;
  --bg-nav: rgba(11,15,26,0.85);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --border: #1e293b;
  --border-hover: rgba(99,102,241,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.3);
  --brand-bg: rgba(99,102,241,0.12);
  --green-bg: rgba(34,197,94,0.12);
  --story-bg: #0d1220;
  --input-bg: #1e293b;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}
a { color: inherit; text-decoration: none; }

/* Body variants per page */
html.page-play { height: 100%; }
body.page-play {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.page-result {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== Shared Navbar ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: background .3s, border-color .3s;
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}
.navbar-brand .brand-icon { font-size: 1.4rem; }
.navbar-brand .brand-accent { color: var(--green); }
.navbar-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .2s, background .2s;
}
.navbar-links a:hover {
  color: var(--text-primary);
  background: var(--brand-bg);
}

/* Play page navbar overrides */
body.page-play .navbar {
  position: relative;
  z-index: 100;
  flex-shrink: 0;
}
body.page-play .navbar-inner {
  max-width: 100%;
  padding: 0 20px;
  height: 56px;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.nav-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .2s, background .2s;
  flex-shrink: 0;
}
.nav-back:hover {
  color: var(--text-primary);
  background: var(--brand-bg);
}
.nav-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-progress {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  font-weight: 500;
  white-space: nowrap;
}
.btn-end-adventure {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--brand);
  background: transparent;
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s, color .2s;
  display: none;
}
.btn-end-adventure.visible { display: inline-flex; }
.btn-end-adventure:hover {
  background: var(--brand);
  color: #fff;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elevated);
  cursor: pointer;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s, background .2s, transform .2s;
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--border-hover);
  transform: scale(1.08);
}
body.page-play .theme-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  font-size: 1.05rem;
}

/* ========== Shared Buttons ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: var(--green);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 16px rgba(34,197,94,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(34,197,94,0.35);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-secondary {
  background: var(--brand-bg);
  color: var(--brand);
  border: 1px solid var(--border);
}
.btn-secondary:hover { box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
}

/* ========== Shared Animations ========== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes dotPulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.2); }
}
@keyframes dots {
  0% { content: ''; }
  33% { content: '.'; }
  66% { content: '..'; }
  100% { content: '...'; }
}
@keyframes toastIn {
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Footer ========== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  transition: border-color .3s;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--text-tertiary);
}
.footer-inner a {
  color: var(--text-secondary);
  transition: color .2s;
}
.footer-inner a:hover { color: var(--brand); }
.footer-sep { color: var(--border); }


/* ================================================================
   INDEX PAGE — Hero, Scenarios, Steps, CTA
   ================================================================ */

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.18;
  pointer-events: none;
}
.hero-glow-1 {
  top: -100px; left: 50%;
  transform: translateX(-50%);
  background: var(--green);
}
.hero-glow-2 {
  bottom: -200px; right: -100px;
  background: var(--brand);
  width: 400px; height: 400px;
  opacity: 0.12;
}
[data-theme="dark"] .hero-glow-1 { opacity: 0.1; }
[data-theme="dark"] .hero-glow-2 { opacity: 0.08; }
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.hero-emoji {
  font-size: 4rem;
  display: inline-block;
  animation: float 4s ease-in-out infinite;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--green); }
.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* Section Common */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px;
}
.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section-desc {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

/* Scenario Cards */
.scenarios-bg {
  background: var(--bg-secondary);
  transition: background .3s;
}
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.scenario-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px 28px;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.scenario-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: 16px 16px 0 0;
}
.scenario-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 120px; height: 120px;
  border-radius: 0 16px 0 100%;
  opacity: 0.06;
  transition: opacity .3s;
  pointer-events: none;
}
.scenario-card:hover::after { opacity: 0.12; }
.scenario-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}
.scenario-card[data-id="palace-intrigue"]::before { background: linear-gradient(90deg, #a16207, #7f1d1d); }
.scenario-card[data-id="palace-intrigue"]::after { background: linear-gradient(135deg, #a16207, #7f1d1d); }
.scenario-card[data-id="doomsday-meteor"]::before { background: linear-gradient(90deg, #1d4ed8, #6d28d9); }
.scenario-card[data-id="doomsday-meteor"]::after { background: linear-gradient(135deg, #1d4ed8, #6d28d9); }
.scenario-card[data-id="xianxia-cultivation"]::before { background: linear-gradient(90deg, #0e7490, #15803d); }
.scenario-card[data-id="xianxia-cultivation"]::after { background: linear-gradient(135deg, #0e7490, #15803d); }
.scenario-card[data-id="cyberpunk-city"]::before { background: linear-gradient(90deg, #6d28d9, #831843); }
.scenario-card[data-id="cyberpunk-city"]::after { background: linear-gradient(135deg, #6d28d9, #831843); }
.scenario-card[data-id="mystery-manor"]::before { background: linear-gradient(90deg, #64748b, #1e293b); }
.scenario-card[data-id="mystery-manor"]::after { background: linear-gradient(135deg, #64748b, #1e293b); }
.scenario-card[data-id="wuxia-jianghu"]::before { background: linear-gradient(90deg, #b45309, #92400e); }
.scenario-card[data-id="wuxia-jianghu"]::after { background: linear-gradient(135deg, #b45309, #92400e); }
.scenario-card[data-id="space-odyssey"]::before { background: linear-gradient(90deg, #1e3a8a, #155e75); }
.scenario-card[data-id="space-odyssey"]::after { background: linear-gradient(135deg, #1e3a8a, #155e75); }
.scenario-card[data-id="campus-mystery"]::before { background: linear-gradient(90deg, #065f46, #134e4a); }
.scenario-card[data-id="campus-mystery"]::after { background: linear-gradient(135deg, #065f46, #134e4a); }
.card-icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
  display: inline-block;
}
.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.6;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.card-tag {
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 500;
  border-radius: 20px;
  background: var(--brand-bg);
  color: var(--brand);
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.card-duration {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}
.card-start {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--green);
  transition: gap .2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.scenario-card:hover .card-start { gap: 8px; }

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: 16px;
  background: var(--bg-elevated);
  border: 1px solid transparent;
  background-clip: padding-box;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: transform .25s, box-shadow .25s;
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-icon {
  font-size: 2.6rem;
  margin-bottom: 20px;
  display: inline-block;
}
.step-num {
  display: inline-block;
  width: 32px; height: 32px;
  line-height: 32px;
  border-radius: 50%;
  background: var(--green-bg);
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 80px 24px 100px;
}
.cta-section h2 {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-section p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 36px;
}


/* ================================================================
   PLAY PAGE — Story, Input, Toast, AI Thinking
   ================================================================ */

/* Story Area */
.story-area {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--story-bg);
  transition: background .3s;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}
.story-container {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 24px 40px;
}

/* Chapter heading */
.chapter-heading {
  text-align: center;
  padding: 32px 0 24px;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeInUp 0.6s ease forwards;
}
.chapter-heading .chapter-num {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  background: var(--green-bg);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.chapter-heading .chapter-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* Story paragraphs */
.story-block { margin-bottom: 20px; }
.story-paragraph {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.story-paragraph .cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--brand);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}

/* Transition text */
.story-block.transition-block {
  position: relative;
  padding-left: 20px;
  margin-top: 24px;
  margin-bottom: 24px;
}
.story-block.transition-block::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 2px;
  background: var(--brand);
  opacity: 0.6;
}
.story-block.transition-block .story-paragraph {
  color: var(--text-secondary);
  font-style: italic;
}

/* Player action echo */
.player-action {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0;
  padding: 14px 18px;
  background: var(--brand-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.player-action-icon {
  flex-shrink: 0;
  font-size: 1rem;
  margin-top: 1px;
}
.player-action-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Story divider */
.story-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 32px 0;
  color: var(--text-tertiary);
  font-size: 0.75rem;
}
.story-divider::before,
.story-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Input Area */
.input-area {
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 16px 20px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  transition: background .3s, border-color .3s;
}
.input-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  gap: 12px;
  align-items: flex-end;
}
.input-wrapper {
  flex: 1;
  position: relative;
}
.input-wrapper textarea {
  width: 100%;
  min-height: 44px;
  max-height: 120px;
  padding: 10px 16px 26px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.5;
  resize: none;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.input-wrapper textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.input-wrapper textarea::placeholder { color: var(--text-tertiary); }
.char-count {
  position: absolute;
  right: 12px;
  bottom: 6px;
  font-size: 0.7rem;
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color .2s;
  opacity: 0.7;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.char-count.warn { color: #ef4444; }
.send-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 12px;
  background: var(--green);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s, box-shadow .2s, opacity .2s;
  flex-shrink: 0;
}
.send-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(34,197,94,0.3);
}
.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.send-btn .spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* AI thinking indicator */
.ai-progress-wrap {
  margin: 16px 0;
  animation: fadeInUp 0.3s ease;
}
.ai-progress-bar {
  width: 100%;
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.ai-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brand), var(--green));
  border-radius: 3px;
  animation: progressGrow 20s cubic-bezier(0.1, 0.5, 0.2, 1) forwards;
}
@keyframes progressGrow {
  0%   { width: 0%; }
  10%  { width: 25%; }
  30%  { width: 50%; }
  60%  { width: 75%; }
  100% { width: 95%; }
}
.ai-thinking {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  margin: 12px 0;
  background: var(--story-bg);
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  animation: fadeInUp 0.3s ease;
}
.ai-thinking-dots {
  display: flex;
  gap: 4px;
}
.ai-thinking-dots span {
  width: 6px; height: 6px;
  background: var(--brand);
  border-radius: 50%;
  animation: dotPulse 1.4s ease-in-out infinite;
}
.ai-thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.ai-thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

.input-area.hidden { display: none; }

/* Character Modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fadeIn .3s ease;
}
.modal-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  max-width: 440px;
  width: 100%;
  text-align: center;
}
.modal-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.modal-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.5; }
.modal-field { text-align: left; margin-bottom: 20px; }
.modal-field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
.modal-field input {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--input-bg); color: var(--text-primary);
  font-size: 0.95rem; outline: none;
  transition: border-color .2s;
}
.modal-field input:focus { border-color: var(--green); }
.personality-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.personality-btn {
  padding: 10px 6px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-secondary); color: var(--text-primary);
  font-size: 0.82rem; cursor: pointer;
  transition: all .2s;
}
.personality-btn:hover { border-color: var(--green); }
.personality-btn.selected {
  border-color: var(--green); background: var(--green-light, rgba(16,185,129,0.1));
  font-weight: 600;
}
.btn-start-adventure {
  width: 100%; padding: 14px; margin-top: 8px;
  border: none; border-radius: 12px;
  background: var(--green); color: #fff;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: opacity .2s;
}
.btn-start-adventure:hover { opacity: 0.9; }
.btn-skip-char {
  width: 100%; padding: 10px; margin-top: 8px;
  border: none; background: none;
  color: var(--text-secondary); font-size: 0.85rem;
  cursor: pointer; text-decoration: underline;
}
.difficulty-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.difficulty-btn {
  padding: 10px 6px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-secondary); color: var(--text-primary);
  font-size: 0.85rem; cursor: pointer; transition: all .2s;
}
.difficulty-btn:hover { border-color: var(--green); }
.difficulty-btn.selected { border-color: var(--green); background: var(--green-light, rgba(16,185,129,0.1)); font-weight: 600; }
.difficulty-desc { font-size: 0.78rem; color: var(--text-tertiary); margin-top: 8px; text-align: center; }

/* Toast */
.toast-container {
  position: fixed;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 12px 24px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  color: var(--text-primary);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-8px);
  animation: toastIn 0.3s ease forwards;
  display: flex;
  align-items: center;
  gap: 10px;
}
.toast.error { border-color: #ef4444; }
.toast .toast-btn {
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
}
.toast .toast-btn:hover { background: var(--brand-bg); }

/* Play Error Page */
.error-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}
.error-page .error-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
}
.error-page h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.error-page p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 0.95rem;
}
.error-page .btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  background: var(--green);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}
.error-page .btn-back:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(34,197,94,0.3);
}

/* Play Loading State */
.loading-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}
.loading-state .loading-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-state .loading-text {
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

/* Skip hint */
.skip-hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-top: 8px;
  opacity: 0;
  transition: opacity 0.4s;
}
.skip-hint.visible { opacity: 1; }


/* ================================================================
   RESULT PAGE — Evaluation Display
   ================================================================ */

/* Main content */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 60px;
}

/* Result Loading */
.loading-emoji {
  font-size: 4rem;
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}
.loading-text {
  margin-top: 28px;
  font-size: 1.15rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(3, end) infinite;
}

/* Result Container */
.result-container {
  max-width: 720px;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.result-container.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Title Section */
.result-title-section {
  text-align: center;
  margin-bottom: 48px;
}
.result-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.result-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* Dimensions Grid */
.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.dimension-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  opacity: 0;
  transform: translateY(16px);
}
.dimension-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.dimension-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}
.dimension-card:nth-child(1) { border-top: 3px solid #ef4444; }
.dimension-card:nth-child(2) { border-top: 3px solid #3b82f6; }
.dimension-card:nth-child(3) { border-top: 3px solid #f59e0b; }
.dimension-card:nth-child(4) { border-top: 3px solid #8b5cf6; }
.dim-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.dim-stars {
  font-size: 1.2rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}
.dim-comment {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Summary */
.result-summary {
  background: var(--bg-secondary);
  border-left: 4px solid var(--brand);
  border-radius: 0 12px 12px 0;
  padding: 28px 32px;
  margin-bottom: 48px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.result-summary.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Result Buttons */
.result-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  max-width: 540px;
  margin: 40px auto 0;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.result-buttons.visible {
  opacity: 1;
  transform: translateY(0);
}
.result-buttons .btn {
  min-width: 140px;
}

/* Result Error State */
.error-state {
  text-align: center;
  padding: 60px 20px;
}
.error-emoji {
  font-size: 3.5rem;
  margin-bottom: 20px;
  display: inline-block;
}
.error-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.error-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 32px;
  line-height: 1.6;
}


/* ================================================================
   PLAY PAGE — Sound Toggle, Suggestions
   ================================================================ */

/* Sound Toggle Button */
.btn-sound-toggle {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
  cursor: pointer;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s, background .2s, transform .2s;
  flex-shrink: 0;
}
.btn-sound-toggle:hover {
  border-color: var(--border-hover);
  transform: scale(1.08);
}

/* Suggestions Bar */
.suggestions-bar {
  padding: 8px 0 4px;
  max-width: 680px;
  margin: 0 auto;
}
.suggestions-bar.hidden { display: none; }
.suggestions-label {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-bottom: 8px;
}
.suggestions-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.suggestion-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color .2s, background .2s, color .2s, transform .15s, box-shadow .2s;
  max-width: 320px;
  white-space: normal;
  text-align: left;
}
.suggestion-btn .sug-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}
.suggestion-btn:hover {
  border-color: var(--green);
  background: var(--brand-bg);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}


/* ================================================================
   INDEX PAGE — Saved Games
   ================================================================ */

.saved-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.saved-game-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.saved-game-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}
.saved-game-info {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.saved-game-icon {
  font-size: 2rem;
  flex-shrink: 0;
}
.saved-game-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-primary);
}
.saved-game-meta {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}
.saved-game-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-continue {
  padding: 6px 16px;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-continue:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(34,197,94,0.3);
}
.btn-delete {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s, color .2s, background .2s;
}
.btn-delete:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: rgba(239,68,68,0.08);
}
.card-continue-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--green-bg);
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}


/* ================================================================
   RESULT PAGE — Stats & Share
   ================================================================ */

/* Adventure Stats */
.result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.stat-card {
  text-align: center;
  padding: 20px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: transform .2s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--brand);
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Share Button */
.btn-share {
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  color: #fff;
  box-shadow: 0 4px 16px rgba(99,102,241,0.25);
}
.btn-share:hover {
  box-shadow: 0 8px 28px rgba(99,102,241,0.35);
}

/* Share Toast */
.share-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  padding: 12px 24px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--green);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  color: var(--text-primary);
  opacity: 0;
  transition: opacity .3s, transform .3s;
  z-index: 200;
  pointer-events: none;
}
.share-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.share-toast.hidden { display: none; }

/* Achievements */
.achievements-section {
  margin-top: 48px;
  opacity: 0; transform: translateY(20px);
  transition: opacity .5s, transform .5s;
}
.achievements-section.visible { opacity: 1; transform: none; }
.ach-title { text-align: center; font-size: 1.1rem; margin-bottom: 20px; color: var(--text-primary); }
.achievements-grid {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}
.achievement-card {
  display: flex; flex-direction: column; align-items: center;
  padding: 16px 20px; border-radius: 14px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  min-width: 120px; text-align: center;
  transition: transform .3s;
}
.achievement-card.new { border-color: var(--green); animation: achPop .5s ease; }
@keyframes achPop { 0% { transform: scale(0.8); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.ach-icon { font-size: 1.8rem; margin-bottom: 6px; }
.ach-name { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); }
.ach-desc { font-size: 0.75rem; color: var(--text-secondary); margin-top: 4px; }
.achievement-card.locked { opacity: 0.35; filter: grayscale(1); }

/* Adventure History */
.history-list { max-width: 600px; margin: 0 auto 24px; }
.history-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px; border-radius: 12px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  margin-bottom: 8px;
}
.history-info { display: flex; flex-direction: column; gap: 4px; }
.history-scenario { font-weight: 600; font-size: 0.92rem; color: var(--text-primary); }
.history-title { font-size: 0.82rem; color: var(--text-secondary); }
.history-meta { text-align: right; font-size: 0.8rem; color: var(--text-tertiary); display: flex; flex-direction: column; gap: 2px; }
.ach-showcase-title { text-align: center; font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 16px; }

/* Scenario Detail Page */
.detail-main { min-height: 100vh; }
body.page-detail .navbar { background: transparent; border-bottom-color: transparent; transition: background .3s, border-color .3s; }
body.page-detail .navbar-brand, body.page-detail .navbar-links a { color: #fff; }
body.page-detail .navbar-links a:hover { background: rgba(255,255,255,0.15); color: #fff; }
body.page-detail .navbar.nav-solid {
  background: var(--bg-nav); border-bottom-color: var(--border);
}
body.page-detail .navbar.nav-solid .navbar-brand,
body.page-detail .navbar.nav-solid .navbar-links a { color: var(--text-primary); }
body.page-detail .navbar.nav-solid .navbar-links a:hover { background: var(--bg-elevated); }
body.page-detail .theme-toggle { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.25); }
body.page-detail .nav-solid .theme-toggle { background: var(--bg-elevated); border-color: var(--border); }

/* Skeleton loading */
.detail-skeleton { padding: 0; }
.skeleton-hero {
  height: 55vh; background: linear-gradient(135deg, var(--border), var(--bg-elevated));
  animation: skeletonPulse 1.5s ease-in-out infinite;
}
.skeleton-body { max-width: 720px; margin: 0 auto; padding: 40px 24px; }
.skeleton-line {
  height: 16px; border-radius: 8px; margin-bottom: 16px;
  background: var(--border); animation: skeletonPulse 1.5s ease-in-out infinite;
}
.skeleton-line.w60 { width: 60%; }
.skeleton-line.w80 { width: 80%; }
.skeleton-line.w40 { width: 40%; }
.skeleton-line.w70 { width: 70%; }
.skeleton-block {
  height: 120px; border-radius: 16px; margin-bottom: 16px;
  background: var(--border); animation: skeletonPulse 1.5s ease-in-out infinite;
}
@keyframes skeletonPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* Hero */
.detail-hero {
  position: relative; width: 100%;
  min-height: 55vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--theme-start, #10b981), var(--theme-end, #059669));
  background-size: 300% 300%;
  animation: gradientFlow 8s ease infinite;
  overflow: visible; color: #fff; text-align: center;
  opacity: 0; transform: scale(1.02);
  transition: opacity .8s ease, transform .8s ease;
}
.detail-hero.entered { opacity: 1; transform: scale(1); }
@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Hero particles */
.hero-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.12);
  animation: floatParticle 12s ease-in-out infinite;
}
.p1 { width: 80px; height: 80px; top: 15%; left: 10%; animation-delay: 0s; }
.p2 { width: 50px; height: 50px; top: 60%; right: 15%; animation-delay: -3s; animation-duration: 10s; }
.p3 { width: 120px; height: 120px; bottom: 10%; left: 50%; animation-delay: -6s; animation-duration: 14s; }
.p4 { width: 40px; height: 40px; top: 30%; right: 30%; animation-delay: -9s; animation-duration: 9s; }
@keyframes floatParticle {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); opacity: 0.12; }
  25% { transform: translateY(-30px) translateX(15px) scale(1.1); opacity: 0.25; }
  50% { transform: translateY(-15px) translateX(-20px) scale(0.9); opacity: 0.18; }
  75% { transform: translateY(20px) translateX(10px) scale(1.05); opacity: 0.08; }
}
@media (prefers-reduced-motion: reduce) {
  .detail-hero { animation: none; }
  .particle { animation: none; display: none; }
}

/* Hero content */
.page-detail .hero-content { position: relative; z-index: 1; padding: 120px 24px 100px; max-width: none; }
.hero-icon-wrap {
  display: inline-flex; align-items: center; justify-content: center;
  width: 96px; height: 96px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.hero-icon { font-size: 3.5rem; line-height: 1; }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800;
  text-shadow: 0 2px 20px rgba(0,0,0,0.25);
  margin: 0 0 20px;
}
.hero-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.hero-tag {
  padding: 6px 18px; border-radius: 100px; font-size: 0.85rem; font-weight: 500;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
}

/* Hero curve divider */
.hero-curve {
  position: absolute; bottom: -1px; left: 0; right: 0; height: 60px;
  background: var(--bg-primary);
  border-radius: 60px 60px 0 0;
}

/* Content area */
.detail-content {
  max-width: 720px; margin: 0 auto;
  padding: 24px 20px 40px;
  display: flex; flex-direction: column; gap: 24px;
}

/* Content cards */
.detail-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.detail-card .card-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.detail-card .card-header h3 {
  font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin: 0;
}
.card-icon-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--theme-start, #10b981), var(--theme-end, #059669));
}
.detail-card p {
  font-size: 0.92rem; line-height: 1.8; color: var(--text-secondary); margin: 0;
}

/* Preview body expand/collapse */
.preview-body.collapsed { max-height: 120px; overflow: hidden; position: relative; }
.preview-body.collapsed::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: linear-gradient(transparent, var(--bg-elevated));
  pointer-events: none;
}
.preview-text { font-style: italic; }
.btn-expand {
  display: block; margin: 12px auto 0; padding: 6px 20px;
  background: none; border: 1px solid var(--border); border-radius: 100px;
  color: var(--text-secondary); font-size: 0.82rem; cursor: pointer;
  transition: all .2s;
}
.btn-expand:hover { border-color: var(--theme-start, var(--green)); color: var(--text-primary); }

/* Openings horizontal scroll */
.openings-scroll {
  display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.openings-scroll::-webkit-scrollbar { height: 4px; }
.openings-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.opening-card {
  flex: 0 0 280px; scroll-snap-align: start;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px;
  border-left: 4px solid var(--theme-start, #10b981);
}
.opening-num {
  font-size: 0.75rem; font-weight: 600; color: var(--theme-start, #10b981);
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;
}
.opening-card p {
  font-size: 0.82rem; line-height: 1.6; color: var(--text-secondary); margin: 0;
}

/* Stats card */
.detail-stats-card {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px 20px;
  text-align: center;
}
.stat-item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.stat-emoji { font-size: 1.5rem; }
.stat-val {
  font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800;
  background: linear-gradient(135deg, var(--theme-start, #10b981), var(--theme-end, #059669));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.stat-lbl { font-size: 0.8rem; color: var(--text-tertiary); }
.stat-item::after {
  content: ''; display: block; width: 32px; height: 3px; border-radius: 3px; margin-top: 4px;
  background: linear-gradient(90deg, var(--theme-start, #10b981), var(--theme-end, #059669));
  opacity: 0.5;
}

/* CTA bar */
.detail-cta-bar {
  max-width: 720px; margin: 0 auto;
  padding: 0 20px 60px;
  display: flex; flex-direction: column; gap: 16px; align-items: center;
}
.btn-cta-primary {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; max-width: 420px;
  padding: 18px 40px; border-radius: 16px;
  font-size: 1.1rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--theme-start, #10b981), var(--theme-end, #059669));
  text-decoration: none; text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
  transition: transform .2s, box-shadow .2s;
}
.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(0,0,0,0.2);
  animation: pulseGlow 2s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 8px 36px rgba(0,0,0,0.2); }
  50% { box-shadow: 0 8px 48px rgba(0,0,0,0.3), 0 0 40px color-mix(in srgb, var(--theme-start, #10b981) 40%, transparent); }
}
.btn-cta-ghost {
  padding: 12px 24px; border-radius: 12px;
  font-size: 0.9rem; color: var(--text-secondary);
  text-decoration: none; transition: color .2s;
}
.btn-cta-ghost:hover { color: var(--text-primary); text-decoration: underline; }

/* Scroll reveal */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.revealed { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }
.reveal:nth-child(4) { transition-delay: .3s; }

/* Detail page responsive */
@media (max-width: 640px) {
  .detail-hero { min-height: 50vh; }
  .page-detail .hero-content { padding: 100px 20px 80px; }
  .hero-icon-wrap { width: 72px; height: 72px; }
  .hero-icon { font-size: 2.5rem; }
  .hero-curve { height: 36px; border-radius: 36px 36px 0 0; }
  .detail-content { padding: 0 16px 32px; gap: 20px; }
  .detail-card { padding: 22px 20px; }
  .opening-card { flex: 0 0 200px; }
  .detail-cta-bar { padding: 0 16px 40px; }
  .btn-cta-primary { padding: 16px 32px; font-size: 1rem; }
}


/* ================================================================
   RESPONSIVE
   ================================================================ */

/* Index page responsive */
@media (max-width: 768px) {
  .navbar-inner { padding: 0 16px; height: 56px; }
  .navbar-brand { font-size: 1.1rem; }
  .navbar-links a { padding: 6px 10px; font-size: 0.85rem; }
  .hero { min-height: auto; padding: 100px 20px 60px; }
  .hero-emoji { font-size: 3rem; }
  .btn-primary { padding: 14px 28px; font-size: 0.95rem; }
  .section { padding: 64px 16px; }
  .scenarios-grid { grid-template-columns: 1fr; gap: 16px; }
  .scenario-card { padding: 24px 20px 20px; }
  .saved-games-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 16px; }
  .step-card { padding: 28px 20px; }
  .cta-section { padding: 48px 16px 64px; }

  /* Result page responsive */
  .main { padding: 80px 16px 40px; }
  .dimensions-grid { grid-template-columns: 1fr; gap: 16px; }
  .dimension-card { padding: 22px 20px; }
  .result-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-value { font-size: 1.3rem; }
  .result-summary { padding: 22px 20px; }
  .result-buttons { gap: 12px; }
  .btn { padding: 12px 22px; font-size: 0.9rem; }
}

/* Play page responsive */
body.page-play .navbar-inner { padding: 0 12px; height: 50px; }
@media (max-width: 768px) {
  .nav-back { padding: 4px 8px; font-size: 0.85rem; }
  .nav-title { font-size: 0.9rem; }
  .nav-progress { font-size: 0.78rem; }
  .story-container { padding: 20px 16px 32px; }
  .chapter-heading { padding: 24px 0 18px; }
  .chapter-heading .chapter-title { font-size: 1.15rem; }
  .story-paragraph { font-size: 0.98rem; line-height: 1.8; }
  .input-area { padding: 12px 12px; padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  .input-inner { gap: 8px; }
  .input-wrapper textarea { font-size: 16px; padding: 10px 14px 26px; }
  .send-btn { width: 42px; height: 42px; }
  .suggestions-bar { padding: 6px 12px 2px; }
  .suggestion-btn { font-size: 0.82rem; padding: 8px 12px; max-width: 280px; }
}

@media (max-width: 480px) {
  .navbar-links a.hide-mobile { display: none; }
  .nav-back span { display: none; }
  .nav-progress { display: none; }
  .nav-title { max-width: 160px; }
  .btn-end-adventure { font-size: 0.75rem; padding: 4px 10px; }
  .result-title { font-size: 1.8rem; }
  .result-buttons { flex-direction: column; align-items: stretch; }
  .result-buttons .btn { justify-content: center; }
  .personality-grid { grid-template-columns: repeat(2, 1fr); }
  .opening-card { flex: 0 0 240px; }
  .card-icon { font-size: 2.2rem; margin-bottom: 12px; }
}

@media (max-width: 360px) {
  .result-stats { grid-template-columns: 1fr; gap: 8px; }
  .stat-card { display: flex; align-items: center; gap: 12px; text-align: left; padding: 14px 16px; }
}

/* ---- Tablet Breakpoint ---- */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Accessibility ---- */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========== World Engine Status Panel ========== */
.world-status-panel {
  margin: 12px auto 0;
  max-width: 720px;
  padding: 0 20px;
}
.status-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  user-select: none;
  transition: border-color 0.2s;
}
.status-toggle:hover { border-color: var(--border-hover); }
.status-toggle-icon { font-size: 0.75rem; color: var(--text-tertiary); }
.status-label { font-weight: 500; }
.status-hp-mini { margin-left: auto; font-size: 0.8rem; }
.status-body {
  margin-top: 6px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.85rem;
}
.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.status-row + .status-row { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.status-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.status-icon { font-size: 0.9rem; }
.status-value { color: var(--text-primary); }
.hp-bar-wrap {
  width: 80px;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.hp-bar {
  height: 100%;
  background: var(--green);
  border-radius: 4px;
  transition: width 0.4s ease;
}
.hp-bar.low { background: #f59e0b; }
.hp-bar.critical { background: #ef4444; }
.hp-text { font-size: 0.8rem; color: var(--text-secondary); font-variant-numeric: tabular-nums; }

@media (max-width: 640px) {
  .world-status-panel { padding: 0 12px; }
  .status-body { padding: 8px 10px; }
  .hp-bar-wrap { width: 60px; }
}

/* ================================================================
   Auth Pages — register / login / profile
   ================================================================ */
.auth-main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 60px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
}
.auth-header {
  text-align: center;
  margin-bottom: 32px;
}
.auth-icon {
  font-size: 48px;
  margin-bottom: 12px;
}
.auth-header h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Form */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.form-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}
.form-col {
  flex: 1;
}
.btn-send-code {
  flex-shrink: 0;
  padding: 12px 16px;
  background: var(--brand-bg);
  color: var(--brand);
  border: 1px solid var(--brand);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.btn-send-code:hover:not(:disabled) {
  background: var(--brand);
  color: #fff;
}
.btn-send-code:disabled {
  opacity: 0.6;
  cursor: default;
}

/* Password strength */
.password-strength {
  font-size: 0.78rem;
  margin-top: 4px;
  min-height: 1.2em;
}
.password-strength.weak { color: #ef4444; }
.password-strength.medium { color: #f59e0b; }
.password-strength.strong { color: #22c55e; }
.password-strength.very-strong { color: #059669; }

/* Notice */
.form-notice {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  background: var(--brand-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}
.notice-icon {
  flex-shrink: 0;
}

/* Error */
.form-error {
  padding: 10px 14px;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: 10px;
  color: #ef4444;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* Auth button */
.btn-auth {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
}
.btn-auth:disabled {
  opacity: 0.6;
  cursor: default;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.auth-footer a {
  color: var(--brand);
  font-weight: 600;
}
.auth-footer a:hover {
  text-decoration: underline;
}

/* Navbar user menu */
.nav-user-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-user-btn {
  background: var(--brand-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}
.nav-user-btn:hover {
  border-color: var(--brand);
}
.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  min-width: 140px;
  z-index: 1001;
  padding: 6px;
}
.nav-dropdown.show {
  display: block;
}
.nav-dropdown a,
.nav-dropdown button {
  display: block;
  width: 100%;
  padding: 8px 14px;
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-primary);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}
.nav-dropdown a:hover,
.nav-dropdown button:hover {
  background: var(--brand-bg);
}

/* ===== Profile Page ===== */
.profile-main {
  align-items: flex-start;
  padding-top: 100px;
}
.profile-container {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}
.profile-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  margin-bottom: 24px;
}
.profile-avatar {
  font-size: 56px;
  margin-bottom: 12px;
}
.profile-card h2 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}
.profile-email {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.profile-meta {
  color: var(--text-tertiary);
  font-size: 0.8rem;
  margin-top: 4px;
}
.btn-logout {
  margin-top: 16px;
  padding: 8px 24px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-logout:hover {
  border-color: #ef4444;
  color: #ef4444;
}

.profile-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}
.profile-section h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

/* Save items */
.saves-list,
.history-list-profile {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.save-item,
.history-item-profile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-secondary);
  border-radius: 10px;
}
.save-info,
.history-info-profile {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.save-scenario,
.history-scenario-profile {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}
.save-name,
.history-title-profile {
  font-weight: 600;
  font-size: 0.9rem;
}
.save-time,
.history-meta-profile {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}
.history-meta-profile {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}
.save-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  font-weight: 600;
}
.btn-continue {
  background: var(--brand);
  color: #fff;
}
.btn-continue:hover { opacity: 0.9; }
.btn-delete-save {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-delete-save:hover {
  border-color: #ef4444;
  color: #ef4444;
}
.empty-text,
.loading-text {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  padding: 20px 0;
}

.profile-notice {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  background: var(--brand-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 480px) {
  .auth-card { padding: 28px 20px; }
  .profile-card { padding: 24px 16px; }
  .profile-section { padding: 16px; }
}