:root {
  --accent-pink: #FF8BA7;
  --accent-purple: #C5A3FF;
  --accent-blue: #8BE7FF;
  --text-dark: #2D3436;
  --text-light: #636E72;
  --text-white: #FFFFFF;
  --glass-bg: rgba(255,255,255,0.65);
  --glass-border: rgba(255,255,255,0.5);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}
* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent;
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif; }
html,body { width:100%; height:100%; overflow:hidden;
  padding-top:env(safe-area-inset-top); padding-bottom:env(safe-area-inset-bottom);
  padding-left:env(safe-area-inset-left); padding-right:env(safe-area-inset-right); }
body { background:linear-gradient(160deg,#fff0f5 0%,#e6e6fa 100%); color:var(--text-dark); }
#app-root { width:100%; height:100%; position:relative; }
.screen { position:fixed; top:0; left:0; width:100%; height:100%; display:none; z-index:1; overflow-y:auto;
  opacity:0; transition:opacity 0.25s ease; }
.screen.active { display:flex; flex-direction:column; opacity:1; }
.screen.fade-in { opacity:1; }
.screen.fade-out { opacity:0; }
.hidden { display:none!important; }

/* Title */
.title-bg { width:100%; height:100%; display:flex; flex-direction:column; align-items:center; justify-content:center;
  background:url('../assets/title-bg.jpg') center/cover no-repeat,linear-gradient(135deg,#667eea 0%,#764ba2 50%,#f093fb 100%);
  position:relative; overflow:hidden; }
.title-bg::before { content:''; position:absolute; top:-50%; left:-50%; width:200%; height:200%;
  background:radial-gradient(circle,rgba(255,255,255,0.1) 0%,transparent 60%); animation:titleGlow 6s ease-in-out infinite; }
@keyframes titleGlow { 0%,100%{transform:translate(0,0)} 50%{transform:translate(5%,5%)} }
.title-text { font-size:3rem; font-weight:900; color:#fff; text-shadow:0 4px 20px rgba(0,0,0,0.3);
  letter-spacing:0.3em; z-index:2; margin-bottom:0.5rem; animation:titleFloat 3s ease-in-out infinite; }
@keyframes titleFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.title-sub { font-size:1rem; color:rgba(255,255,255,0.85); z-index:2; margin-bottom:2rem; }
.title-buttons { display:flex; flex-direction:column; gap:0.8rem; z-index:2; width:70%; max-width:280px; }
.btn-main { padding:14px 24px; border:none; border-radius:30px; font-size:1.1rem; font-weight:600;
  cursor:pointer; transition:all 0.3s; background:linear-gradient(135deg,#ff6b9d,#c44569); color:#fff;
  box-shadow:0 4px 15px rgba(196,69,105,0.4); }
.btn-main:active { transform:scale(0.95); }
.btn-main.btn-secondary { background:rgba(255,255,255,0.15); color:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,0.2); border:1px solid rgba(255,255,255,0.2); }

/* Dialogue Overlay */
.dialogue-overlay { position:fixed; top:0; left:0; width:100%; height:100%; z-index:50;
  display:flex; flex-direction:column; justify-content:flex-end; pointer-events:auto; }
.dialogue-box { background:linear-gradient(to top,rgba(0,0,0,0.9),rgba(0,0,0,0.7));
  padding:20px 20px calc(30px + env(safe-area-inset-bottom)); min-height:160px; cursor:pointer; }
.speaker-name { font-size:0.9rem; font-weight:700; margin-bottom:8px; padding:3px 12px;
  border-radius:12px; display:inline-block; }
.dialogue-text { font-size:1rem; line-height:1.7; min-height:3.4em; color:rgba(255,255,255,0.95); }
.click-hint { text-align:right; font-size:0.8rem; color:rgba(255,255,255,0.5);
  animation:hintBlink 1.2s ease-in-out infinite; }
@keyframes hintBlink { 0%,100%{opacity:0.3} 50%{opacity:1} }
.choices-panel { display:none; flex-direction:column; gap:12px; padding:0 20px 20px;
  background:rgba(0,0,0,0.5); }
.choices-panel.visible { display:flex; }
.choice-btn { padding:14px 20px; border:2px solid rgba(255,255,255,0.3); border-radius:16px;
  background:rgba(0,0,0,0.6); color:#fff; font-size:1rem; cursor:pointer; transition:all 0.3s; text-align:center; }
.choice-btn:active { background:rgba(255,255,255,0.2); transform:scale(0.97); }
.choice-btn.disabled { opacity:0.4; pointer-events:none; }

/* Speaker colors */
.speaker-suqing { background:rgba(100,150,255,0.3); color:#8bb8ff; }
.speaker-linyue { background:rgba(255,165,0,0.3); color:#ffb347; }
.speaker-shenxue { background:rgba(180,130,255,0.3); color:#c9a0ff; }
.speaker-chenle { background:rgba(255,150,180,0.3); color:#ffb6c8; }
.speaker-zhaoya { background:rgba(255,100,100,0.3); color:#ff8a8a; }
.speaker-player { background:rgba(255,255,255,0.2); color:#fff; }
.speaker-narrator { background:transparent; color:rgba(255,255,255,0.7); font-style:italic; }

/* Affection Float */
.affection-float { position:fixed; top:35%; left:50%; transform:translateX(-50%);
  z-index:60; pointer-events:none; display:flex; flex-direction:column; gap:6px; align-items:center; }
.aff-float-item { background:rgba(0,0,0,0.75); backdrop-filter:blur(8px); border-radius:12px;
  padding:10px 16px; min-width:160px; animation:affPop 2s ease-out forwards; opacity:0; }
.aff-float-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; }
.aff-float-name { font-size:0.85rem; font-weight:600; }
.aff-float-delta { font-size:0.9rem; font-weight:700; }
.aff-float-bar { height:4px; background:rgba(255,255,255,0.15); border-radius:2px; overflow:hidden; }
.aff-float-fill { height:100%; border-radius:2px; transition:width 0.5s ease; }
.aff-positive { border-left:3px solid #4ade80; }
.aff-negative { border-left:3px solid #f87171; }
@keyframes affPop { 0%{opacity:0;transform:translateY(10px) scale(0.9)} 10%{opacity:1;transform:translateY(0) scale(1)}
  80%{opacity:1;transform:translateY(-20px)} 100%{opacity:0;transform:translateY(-40px)} }

/* Generic Panel */
.panel-card { width:90%; max-width:400px; margin:auto; background:rgba(255,255,255,0.9);
  border-radius:var(--radius-lg); padding:24px; box-shadow:0 10px 40px rgba(0,0,0,0.1); }
.panel-title { font-size:1.3rem; font-weight:700; color:var(--accent-pink); margin-bottom:16px; text-align:center; }

/* Settings */
.settings-wrap { width:100%; height:100%; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(160deg,#fff0f5 0%,#e6e6fa 100%); }
.settings-inner { width:90%; max-width:360px; }
.settings-item { display:flex; justify-content:space-between; align-items:center; padding:14px 0;
  border-bottom:1px solid rgba(0,0,0,0.05); font-size:0.95rem; }

/* Achievement */
.ach-wrap { width:100%; height:100%; display:flex; flex-direction:column; align-items:center;
  padding:20px; background:linear-gradient(160deg,#fff0f5 0%,#e6e6fa 100%); overflow-y:auto; }
.ach-list { width:100%; max-width:400px; display:flex; flex-direction:column; gap:10px; }
.ach-item { padding:12px 16px; background:rgba(255,255,255,0.8); border-radius:var(--radius-sm);
  border:1px solid rgba(0,0,0,0.05); }
.ach-item.locked { opacity:0.4; }
.ach-item-name { font-size:0.95rem; font-weight:600; margin-bottom:2px; }
.ach-item-desc { font-size:0.8rem; color:var(--text-light); }

/* Ending Panel */
.ending-panel { width:100%; height:100%; display:flex; flex-direction:column; align-items:center;
  justify-content:center; text-align:center; padding:40px 20px;
  background:linear-gradient(180deg,#FF69B4 0%,#FFB6C1 30%,#FFF0F5 60%,#FFFFFF 100%); }
.ending-char-img { width:200px; height:260px; object-fit:contain; margin-bottom:20px;
  filter:drop-shadow(0 4px 20px rgba(0,0,0,0.2)); }
.ending-title { font-size:1.8rem; font-weight:800; color:var(--text-dark); margin-bottom:10px; }
.ending-grade { font-size:3rem; margin-bottom:10px; }
.ending-text { font-size:1rem; color:var(--text-light); margin-bottom:30px; line-height:1.6; }

/* Night */
.night-wrap { width:100%; height:100%; display:flex; flex-direction:column; align-items:center;
  padding-bottom:env(safe-area-inset-bottom);
  justify-content:center; padding:30px; background:linear-gradient(180deg,#191970 0%,#2d1b69 50%,#1a1a2e 100%); }
.night-title { font-size:1.5rem; color:#f093fb; font-weight:700; margin-bottom:20px; }
.night-actions { display:flex; flex-direction:column; gap:12px; width:100%; max-width:300px; }
.night-btn { padding:14px; border:none; border-radius:16px; font-size:1rem; font-weight:600;
  cursor:pointer; color:#fff; background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,0.2);
  transition:all 0.3s; }
.night-btn:active { transform:scale(0.95); background:rgba(255,255,255,0.2); }

/* Story fullscreen mode */
.story-fullscreen { width:100%; height:100%; background:linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); }
#screen-story.active ~ .dialogue-overlay { background:linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); }

/* Scene character portrait */
.scene-character { flex:1; display:flex; align-items:flex-end; justify-content:center; padding-bottom:10px; pointer-events:none; }
.scene-char-img { max-height:55vh; max-width:70vw; object-fit:contain; opacity:0; transition:opacity 0.3s ease; filter:drop-shadow(0 4px 20px rgba(0,0,0,0.5)); }
.scene-char-img.visible { opacity:1; }
.scene-char-img.speaking { animation:char-breathe 2s ease-in-out infinite; }
@keyframes char-breathe { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-4px)} }

/* Scene backgrounds - AI generated */
.dialogue-overlay[data-bg] { background-size:cover; background-position:center; background-repeat:no-repeat; }
.dialogue-overlay[data-bg="bg-school-gate"] { background-image:url('../assets/scenes/bg-school-gate.jpg'); }
.dialogue-overlay[data-bg="bg-classroom"] { background-image:url('../assets/scenes/bg-classroom.jpg'); }
.dialogue-overlay[data-bg="bg-playground"] { background-image:url('../assets/scenes/bg-playground.jpg'); }
.dialogue-overlay[data-bg="bg-library"] { background-image:url('../assets/scenes/bg-library.jpg'); }
.dialogue-overlay[data-bg="bg-art-room"] { background-image:url('../assets/scenes/bg-art-room.jpg'); }
.dialogue-overlay[data-bg="bg-gym"] { background-image:url('../assets/scenes/bg-gym.jpg'); }
.dialogue-overlay[data-bg="bg-club-hall"] { background-image:url('../assets/scenes/bg-club-hall.jpg'); }
.dialogue-overlay[data-bg="bg-cafeteria"] { background-image:url('../assets/scenes/bg-cafeteria.jpg'); }
.dialogue-overlay[data-bg="bg-festival"] { background-image:url('../assets/scenes/bg-festival.jpg'); }
.dialogue-overlay[data-bg="bg-rain"] { background-image:url('../assets/scenes/bg-rain.jpg'); }
.dialogue-overlay[data-bg="bg-rooftop"] { background-image:url('../assets/scenes/bg-rooftop.jpg'); }
.dialogue-overlay[data-bg="bg-sunset"] { background-image:url('../assets/scenes/bg-sunset.jpg'); }
.dialogue-overlay[data-bg="bg-confession"] { background-image:url('../assets/scenes/bg-confession.jpg'); }

/* Home page enhancements */
.home-progress { padding:12px 16px 4px; }
.progress-label { font-size:0.8rem; color:rgba(255,255,255,0.7); margin-bottom:4px; }
.progress-bar { height:6px; background:rgba(255,255,255,0.15); border-radius:3px; overflow:hidden; }
.progress-fill { height:100%; background:linear-gradient(90deg,#ff6b9d,#c44dff); border-radius:3px;
  transition:width 0.5s ease; }
.home-weather-tip { padding:4px 16px 8px; font-size:0.8rem; color:rgba(255,255,255,0.6); }
.home-aff-preview { padding:8px 16px; display:flex; flex-direction:column; gap:8px; }
.aff-mini { display:flex; align-items:center; gap:8px; padding:6px 10px;
  background:rgba(255,255,255,0.08); border-radius:10px; }
.aff-mini-avatar { width:32px; height:32px; border-radius:50%; object-fit:cover;
  border:2px solid rgba(255,255,255,0.2); }
.aff-mini-info { flex:1; min-width:0; }
.aff-mini-name { font-size:0.75rem; color:rgba(255,255,255,0.8); }
.aff-mini-bar { height:4px; background:rgba(255,255,255,0.1); border-radius:2px; margin-top:3px; overflow:hidden; }
.aff-mini-fill { height:100%; border-radius:2px; transition:width 0.5s ease; }
.aff-mini-val { font-size:0.75rem; color:rgba(255,255,255,0.5); min-width:24px; text-align:right; }

/* Night screen enhancements */
.night-summary { padding:12px 16px; }
.night-summary-title { font-size:0.85rem; color:rgba(255,255,255,0.7); margin-bottom:8px; }
.night-aff-row { display:flex; align-items:center; gap:8px; margin-bottom:6px; }
.night-aff-name { font-size:0.8rem; min-width:70px; white-space:nowrap; }
.night-aff-bar { flex:1; height:6px; background:rgba(255,255,255,0.1); border-radius:3px; overflow:hidden; }
.night-aff-fill { height:100%; border-radius:3px; transition:width 0.8s ease; }
.night-aff-val { font-size:0.75rem; color:rgba(255,255,255,0.5); min-width:24px; text-align:right; }
.night-actions-done { padding:4px 16px; }
.night-done-label { font-size:0.8rem; color:rgba(255,255,255,0.5); }
.night-tomorrow { padding:8px 16px; font-size:0.85rem; color:rgba(255,255,255,0.6); text-align:center; }
.night-btn-sleep { background:linear-gradient(135deg,#667eea,#764ba2)!important; }

/* Tutorial overlay */
.tutorial-overlay { position:fixed; top:0; left:0; width:100%; height:100%; z-index:100;
  background:rgba(0,0,0,0.7); display:flex; align-items:center; justify-content:center;
  animation:fadeIn 0.3s ease; }
.tutorial-card { background:linear-gradient(135deg,#1a1a2e,#16213e); border-radius:16px;
  padding:28px 24px; max-width:300px; width:85%; text-align:center;
  box-shadow:0 8px 32px rgba(0,0,0,0.5); }
.tutorial-icon { font-size:2.5rem; margin-bottom:12px; }
.tutorial-title { font-size:1.1rem; font-weight:600; color:#fff; margin-bottom:8px; }
.tutorial-text { font-size:0.85rem; color:rgba(255,255,255,0.7); line-height:1.5; margin-bottom:16px; }
.tutorial-dots { display:flex; justify-content:center; gap:6px; margin-bottom:16px; }
.tutorial-dot { width:8px; height:8px; border-radius:50%; background:rgba(255,255,255,0.2); }
.tutorial-dot.active { background:#ff6b9d; }
.tutorial-btn { width:100%; }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* NG+ badge */
.ng-badge { background:linear-gradient(135deg,#f093fb,#f5576c); padding:2px 8px; border-radius:8px;
  font-size:0.7rem; font-weight:700; color:#fff; margin-right:6px; }

/* Title version badge */
.title-version { position:absolute; top:16px; right:16px; background:rgba(255,255,255,0.15);
  padding:4px 12px; border-radius:12px; font-size:0.75rem; color:rgba(255,255,255,0.7); }

/* Changelog */
.changelog-wrap { width:100%; height:100%; overflow-y:auto; }
.changelog-content { padding:0 16px 16px; }
.changelog-section { margin-bottom:20px; }
.changelog-title { font-size:1rem; font-weight:600; color:#f093fb; margin-bottom:8px; }
.changelog-list { list-style:none; padding:0; margin:0; }
.changelog-list li { padding:6px 0 6px 20px; position:relative; font-size:0.85rem;
  color:rgba(255,255,255,0.8); line-height:1.5; }
.changelog-list li:before { content:'•'; position:absolute; left:6px; color:#f093fb; }