* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html,body { height:100%; background:#0a0c12; overflow:hidden; }
body { font-family:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong",serif; color:#f0ead8; }
button { font-family:inherit; cursor:pointer; }
.hidden { display:none !important; }
.muted { color:#9a937f; } .tiny { font-size:12px; }

#app { position:fixed; inset:0; }

/* ---------- 舞台 ---------- */
#stage { position:absolute; inset:0; overflow:hidden; user-select:none; }
.bglayer { position:absolute; inset:0; background-size:cover; background-position:center;
  opacity:0; transition:opacity .8s ease; }
.bglayer.show { opacity:1; }
.bglayer.bgfall { background-image:linear-gradient(160deg,#1a2233,#2c3a52 55%,#16202e); }

/* 立绘 */
#sprites { position:absolute; inset:0; pointer-events:none; }
.portrait { position:absolute; bottom:0; height:86%; display:flex; flex-direction:column; align-items:center;
  justify-content:flex-end; transition:filter .35s ease, transform .35s ease, opacity .35s ease; opacity:0; }
.portrait.visible { opacity:1; }
.portrait img { height:100%; width:auto; display:block; filter:drop-shadow(0 6px 18px rgba(0,0,0,.55)); }
.portrait.pos-left   { left:4%; }
.portrait.pos-center { left:50%; transform:translateX(-50%); }
.portrait.pos-right  { right:4%; }
.portrait.dim { filter:brightness(.45) saturate(.7); }
.portrait.speaking { filter:brightness(1.02); z-index:3; }
.portrait.pos-center.speaking { transform:translateX(-50%) scale(1.015); }
.portrait.speaking:not(.pos-center) { transform:scale(1.015); }
/* 猫：小体型，锚定在对话框上沿之上，永不被遮挡 */
.portrait.small { height:30%; bottom:31vh; z-index:4; }
.portrait.small.pos-left { left:6%; }
.portrait.small.pos-right { right:6%; }
/* 立绘缺图占位 */
.portrait .ph { height:100%; aspect-ratio:2/3; display:flex; align-items:flex-end; justify-content:center;
  background:radial-gradient(ellipse at 50% 30%, rgba(240,234,216,.16), rgba(240,234,216,.04) 70%);
  border-radius:46% 46% 8px 8px; }
.portrait .ph span { margin-bottom:18%; font-size:clamp(14px,2vw,22px); color:#d8d2c0; opacity:.85;
  writing-mode:vertical-rl; letter-spacing:.3em; }

/* 右上角音乐开关 */
#music-toggle { position:absolute; top:14px; right:14px; z-index:9; width:40px; height:40px;
  border-radius:50%; border:1px solid rgba(240,234,216,.22); background:rgba(10,13,20,.55);
  font-size:20px; line-height:1; display:flex; align-items:center; justify-content:center;
  backdrop-filter:blur(2px); transition:all .18s ease; padding:0; }
#music-toggle span { position:relative; display:inline-block; color:#9a937f; transition:color .18s ease; }
/* 关闭态：灰色音符 + 灰色斜杠线 */
#music-toggle:not(.on) span::after { content:''; position:absolute; left:-3px; top:50%;
  width:26px; height:2px; background:#9a937f; transform:rotate(-45deg); transform-origin:center; }
/* 开启态：亮白色音符，无斜杠 */
#music-toggle.on span { color:#ffffff; }
#music-toggle:hover { border-color:#ffd98a; background:rgba(20,24,38,.8); }
#music-toggle.on { border-color:rgba(255,255,255,.65); box-shadow:0 0 8px rgba(255,255,255,.35); }

/* 声音设置弹窗 */
#sound-pop { position:absolute; top:62px; right:14px; z-index:11; width:246px;
  background:rgba(14,17,26,.96); border:1px solid rgba(240,234,216,.22); border-radius:8px;
  padding:14px 16px; display:flex; flex-direction:column; gap:12px; backdrop-filter:blur(4px);
  box-shadow:0 8px 24px rgba(0,0,0,.5); }
#sound-pop .sp-head { color:#ffd98a; font-size:14px; letter-spacing:.15em;
  padding-bottom:8px; border-bottom:1px solid rgba(240,234,216,.14); }
#sound-pop .sp-row { display:flex; align-items:center; gap:9px; color:#c9c2ad; font-size:13px; }
#sound-pop .sp-row > span { min-width:30px; letter-spacing:.1em; }
#sound-pop .sp-row button { background:rgba(240,234,216,.08); color:#9a937f; border:1px solid rgba(240,234,216,.25);
  border-radius:4px; padding:3px 0; width:38px; font-size:12.5px; letter-spacing:.05em; flex:none; }
#sound-pop .sp-row button.on { color:#fff; border-color:rgba(255,255,255,.6); background:rgba(255,255,255,.12); }
#sound-pop .sp-row input[type=range] { flex:1; min-width:0; accent-color:#ffd98a; }

/* 隐藏全部UI（截图用）：保留背景/立绘/CG，淡出对话框与控件 */
#stage.ui-hidden #dialog,
#stage.ui-hidden #music-toggle { opacity:0; pointer-events:none; transition:opacity .25s ease; }
#stage.ui-hidden #advance-hint { opacity:0; }

/* CG */
#cg-layer { position:absolute; inset:0; z-index:6; background:#000; display:flex; align-items:center; justify-content:center; }
#cg-img { width:100%; height:100%; object-fit:cover; animation:cgdrift 16s ease-in-out infinite alternate; }
@keyframes cgdrift { from { transform:scale(1.0); } to { transform:scale(1.06); } }
/* CG 切换亮相：2秒非常轻微的缩放，期间锁点击 */
#cg-img.cg-intro { animation:cgintro 2s ease-out forwards; }
@keyframes cgintro { from { transform:scale(1.0); } to { transform:scale(1.04); } }
#cg-fallback { position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(150deg,#23304a,#11192a); color:#cfd8ea; font-size:clamp(16px,2.4vw,26px); letter-spacing:.2em; }

/* 章节卡 */
#chapter-card { position:absolute; inset:0; z-index:12; background:rgba(4,6,10,.92);
  display:flex; align-items:center; justify-content:center; }
#chapter-card-text { font-size:clamp(22px,4vw,40px); letter-spacing:.35em; color:#f0ead8;
  border-top:1px solid #8a7c54; border-bottom:1px solid #8a7c54; padding:26px 40px; }

/* ---------- 对话框 ---------- */
#dialog { position:absolute; left:0; right:0; bottom:0; z-index:11; min-height:29vh;
  padding:2.2vh 6vw 1vh; background:linear-gradient(180deg, rgba(8,10,16,0) 0%, rgba(8,10,16,.88) 22%, rgba(8,10,16,.95) 100%); }
#speaker { display:inline-block; margin-bottom:1vh; padding:2px 14px; font-size:clamp(15px,1.6vw,20px);
  color:#ffd98a; border:1px solid rgba(255,217,138,.45); border-radius:3px; background:rgba(20,16,8,.6); letter-spacing:.12em; }
#speaker.soya { color:#ffb3c8; border-color:rgba(255,179,200,.5); }
#text { font-size:clamp(16px,2vw,23px); line-height:1.75; min-height:2.8em; letter-spacing:.04em;
  text-shadow:0 1px 3px rgba(0,0,0,.8); }
#advance-hint { position:absolute; right:6vw; bottom:6.2vh; font-size:14px; color:#ffd98a; opacity:0;
  animation:blink 1.1s ease-in-out infinite; }
#advance-hint.on { opacity:.9; }
@keyframes blink { 50% { opacity:.15; } }

#vn-bar { display:flex; gap:6px; justify-content:flex-end; flex-wrap:wrap; margin-top:1vh; }
#vn-bar button { background:rgba(240,234,216,.07); color:#c9c2ad; border:1px solid rgba(240,234,216,.16);
  border-radius:3px; padding:3px 10px; font-size:12.5px; letter-spacing:.08em; }
#vn-bar button:hover { background:rgba(240,234,216,.16); color:#fff; }
#vn-bar button.on { color:#ffd98a; border-color:#ffd98a; }

/* ---------- 选项（屏幕中央，两难短行动） ---------- */
#choices { position:absolute; inset:0; z-index:10; display:flex; align-items:center; justify-content:center;
  background:rgba(5,7,12,.45); backdrop-filter:blur(2px); }
#choice-box { display:flex; flex-direction:column; gap:2.2vh; width:min(520px,86vw); }
#choice-box button { padding:1.6vh 18px; font-size:clamp(16px,2vw,21px); letter-spacing:.18em; color:#f0ead8;
  background:linear-gradient(90deg, rgba(28,34,50,.92), rgba(40,48,70,.92), rgba(28,34,50,.92));
  border:1px solid rgba(255,217,138,.35); border-radius:4px; transition:all .18s ease; }
#choice-box button:hover { border-color:#ffd98a; color:#ffd98a; transform:scale(1.03); }

/* ---------- 标题画面 ---------- */
#title-screen { position:absolute; inset:0; z-index:20; }
#title-bg { position:absolute; inset:0; background:#0a0c12 center/cover no-repeat;
  background-image:linear-gradient(rgba(8,9,14,.35), rgba(8,9,14,.75)), var(--titleimg, linear-gradient(160deg,#141b2c,#2a3550 50%,#0e1420)); }
#title-inner { position:absolute; inset:0; display:flex; flex-direction:column; justify-content:center; padding-left:8vw; max-width:560px; }
#game-title { font-size:clamp(40px,7vw,76px); letter-spacing:.18em; color:#f5efdd; text-shadow:0 2px 24px rgba(255,217,138,.25); }
#game-sub { margin:2vh 0 5vh; color:#bfb79f; font-size:clamp(13px,1.6vw,17px); letter-spacing:.1em; }
#title-menu { display:flex; flex-direction:column; gap:1.6vh; width:min(300px,70vw); }
#title-menu button { padding:1.4vh 22px; text-align:left; font-size:17px; letter-spacing:.3em; color:#e8e1cb;
  background:rgba(14,17,26,.55); border:1px solid rgba(240,234,216,.2); border-left:3px solid rgba(255,217,138,.4); border-radius:2px; }
#title-menu button:hover { border-left-color:#ffd98a; color:#ffd98a; background:rgba(20,24,38,.8); }
#title-menu button:disabled { opacity:.35; cursor:default; }
#title-ver { position:absolute; bottom:2.4vh; left:8vw; font-size:12px; color:#6e6856; letter-spacing:.15em; }

/* ---------- 通用浮层 ---------- */
.overlay { position:absolute; inset:0; z-index:38; background:rgba(4,6,10,.78); backdrop-filter:blur(3px);
  display:flex; align-items:center; justify-content:center; }
.panel { background:#11141d; border:1px solid rgba(240,234,216,.22); border-radius:8px;
  width:min(680px,92vw); max-height:86vh; padding:26px 28px 20px; display:flex; flex-direction:column; gap:14px; overflow:hidden; }
.panel.small { width:min(420px,90vw); }
.panel.tall { height:82vh; }
.panel h2 { font-size:20px; letter-spacing:.25em; color:#ffd98a; font-weight:normal; }
.panel input[type=text], #name-input { background:#0a0d14; border:1px solid rgba(255,217,138,.4); border-radius:4px;
  color:#f0ead8; font-size:22px; padding:10px 14px; letter-spacing:.2em; text-align:center; width:100%; }
.panel label { display:flex; justify-content:space-between; align-items:center; gap:14px; color:#c9c2ad; font-size:15px; }
.panel input[type=range] { flex:1; accent-color:#ffd98a; }
.row { display:flex; gap:12px; justify-content:center; }
.row button, .close { padding:9px 22px; background:rgba(240,234,216,.08); color:#e8e1cb;
  border:1px solid rgba(240,234,216,.25); border-radius:4px; font-size:15px; letter-spacing:.15em; }
.row button:hover, .close:hover { border-color:#ffd98a; color:#ffd98a; }
button.primary { background:rgba(255,217,138,.16); border-color:#ffd98a; color:#ffd98a; }
.close { align-self:center; }

/* 历史 */
#history-list { flex:1; overflow-y:auto; display:flex; flex-direction:column; gap:10px; padding-right:6px; }
.hline { font-size:15px; line-height:1.6; color:#d8d2c0; }
.hline b { color:#ffd98a; font-weight:normal; margin-right:10px; }
.hline.soya b { color:#ffb3c8; }

/* 存档 */
#save-slots { flex:1; overflow-y:auto; display:flex; flex-direction:column; gap:8px; }
.slot { display:flex; align-items:center; gap:14px; padding:10px 14px; background:rgba(240,234,216,.05);
  border:1px solid rgba(240,234,216,.14); border-radius:5px; cursor:pointer; }
.slot:hover { border-color:#ffd98a; }
.slot .no { color:#ffd98a; font-size:14px; min-width:46px; }
.slot .meta { flex:1; font-size:13.5px; color:#c9c2ad; line-height:1.5; overflow:hidden; }
.slot .meta .pv { color:#8d8672; white-space:nowrap; text-overflow:ellipsis; overflow:hidden; display:block; }
.slot .del { background:none; border:none; color:#6e6856; font-size:13px; }
.slot .del:hover { color:#ff8a8a; }
.slot.empty { opacity:.55; }

/* 分支/结局/情报 */
.tabs { display:flex; gap:8px; }
.tab { padding:6px 16px; background:none; border:none; border-bottom:2px solid transparent; color:#9a937f; font-size:15px; letter-spacing:.1em; }
.tab.active { color:#ffd98a; border-bottom-color:#ffd98a; }
.tabpage { flex:1; overflow-y:auto; display:flex; flex-direction:column; gap:10px; padding-right:6px; }
.fchap { color:#ffd98a; font-size:14px; letter-spacing:.2em; margin-top:6px; }
.fitem { background:rgba(240,234,216,.05); border-left:2px solid rgba(255,217,138,.4); border-radius:0 5px 5px 0; padding:9px 13px; font-size:13.5px; line-height:1.65; color:#c9c2ad; }
.fitem .ctx { color:#8d8672; display:block; }
.fitem .took { color:#ffd98a; }
.fitem .alt { color:#5d5848; margin-left:10px; }
.eitem { display:flex; gap:12px; align-items:center; padding:10px 13px; border-radius:5px; background:rgba(240,234,216,.05); font-size:14px; }
.eitem.locked { color:#5d5848; }
.eitem.got { color:#e8e1cb; }
.eitem .mark { font-size:18px; }
.intel { color:#9fd0a8; font-size:14px; line-height:1.7; }

/* CG鉴赏 */
#gallery-grid { flex:1; min-height:0; overflow-y:auto; display:grid; grid-template-columns:repeat(3,1fr); grid-auto-rows:134px; gap:10px; }
.gcell { border-radius:5px; overflow:hidden; border:1px solid rgba(240,234,216,.14);
  background:#0a0d14; display:flex; align-items:center; justify-content:center; color:#3f3b30; font-size:22px; cursor:pointer; }
.gcell img { width:100%; height:100%; object-fit:cover; }
.gcell:hover { border-color:#ffd98a; }
#gallery-view { z-index:40; cursor:pointer; }
#gallery-view img { max-width:94vw; max-height:92vh; border-radius:6px; }

/* 结局画面 */
#ending-screen { z-index:35; background:rgba(3,4,8,.96); }
#ending-inner { max-width:620px; padding:0 6vw; text-align:center; display:flex; flex-direction:column; gap:2.4vh; }
#ending-kind { color:#8d8672; letter-spacing:.4em; font-size:14px; }
#ending-name { font-size:clamp(28px,5vw,44px); letter-spacing:.3em; color:#f5efdd; font-weight:normal; }
#ending-text { color:#bfb79f; line-height:2; font-size:15.5px; }

/* Toast */
#toast { position:absolute; top:4vh; left:50%; transform:translateX(-50%); z-index:50;
  background:rgba(17,20,29,.95); border:1px solid rgba(255,217,138,.5); color:#ffd98a;
  padding:9px 22px; border-radius:4px; font-size:14.5px; letter-spacing:.1em; }

/* ---------- 移动端 ---------- */
@media (max-width:720px) {
  .portrait { height:62%; }
  .portrait.pos-left { left:-6%; } .portrait.pos-right { right:-6%; }
  .portrait.small { height:22%; bottom:34vh; }
  #dialog { min-height:33vh; padding:1.6vh 4vw 1vh; }
  #text { font-size:16px; }
  #vn-bar { gap:4px; } #vn-bar button { padding:3px 7px; font-size:11px; }
  #title-inner { padding:0 7vw; align-items:center; text-align:center; }
  #title-menu button { text-align:center; }
  #title-ver { left:0; right:0; text-align:center; }
  .panel { padding:18px 14px 14px; }
}