/* ============================================================
   末班地铁 · 环线  —  视觉系统（完整版）
   ============================================================ */
:root{
  --bg:        #06080b;
  --bg2:       #0a0e13;
  --panel:     #0c1116;
  --panel2:    #111820;
  --line:      #1c242d;
  --line2:     #2a3540;
  --cy:        #54c8c0;
  --cy-dim:    #2e7a76;
  --cy-glow:   rgba(84,200,192,.45);
  --rd:        #c4463c;
  --rd-glow:   rgba(196,70,60,.45);
  --am:        #d8a25a;
  --tx:        #b7c2ca;
  --tx-dim:    #6a7681;
  --tx-faint:  #414c56;
  --serif: "Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",ui-serif,serif;
  --sans: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --mono: "SFMono-Regular","JetBrains Mono","Consolas","Courier New",monospace;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--tx);
  font-family:var(--sans);font-size:15px;line-height:1.75;
  overflow:hidden;letter-spacing:.02em;text-rendering:optimizeLegibility;
}
button,input{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:var(--cy-dim);color:#04070a}

::-webkit-scrollbar{width:7px;height:7px}
::-webkit-scrollbar-track{background:#080b0f}
::-webkit-scrollbar-thumb{background:#212b34;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--cy-dim)}

/* ============ 全局特效层 ============ */
#fx-bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
#vignette{
  position:fixed;inset:0;z-index:60;pointer-events:none;
  background:radial-gradient(ellipse 120% 90% at 50% 45%,transparent 30%,rgba(0,0,0,.55) 75%,rgba(0,0,0,.92) 100%);
}
#scanlines{
  position:fixed;inset:0;z-index:61;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(to bottom,rgba(0,0,0,0) 0 2px,rgba(0,0,0,.28) 2px 3px);
  mix-blend-mode:multiply;
}
#scanlines::after{
  content:"";position:absolute;left:0;right:0;height:110px;
  background:linear-gradient(to bottom,transparent,rgba(120,220,214,.045),transparent);
  animation:sweep 7.5s linear infinite;
}
@keyframes sweep{0%{top:-120px}100%{top:100%}}

#grain{
  position:fixed;inset:-50%;z-index:62;pointer-events:none;opacity:.055;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grainmv .5s steps(4) infinite;
}
@keyframes grainmv{
  0%{transform:translate(0,0)}25%{transform:translate(-3%,2%)}
  50%{transform:translate(2%,-3%)}75%{transform:translate(-2%,-2%)}100%{transform:translate(3%,1%)}
}

#flash-layer{position:fixed;inset:0;z-index:90;pointer-events:none;opacity:0;background-size:cover;background-position:center}
#flash-layer.fire{animation:flashfx .22s steps(3)}
@keyframes flashfx{0%{opacity:0}40%{opacity:.95}70%{opacity:.2}100%{opacity:0}}

#glitch-bars{position:fixed;inset:0;z-index:89;pointer-events:none;opacity:0}
#glitch-bars.on{opacity:1}
#glitch-bars i{position:absolute;left:0;right:0;background:rgba(84,200,192,.09);mix-blend-mode:screen}

body.shake #stage{animation:shk .4s cubic-bezier(.36,.07,.19,.97)}
@keyframes shk{
  10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,-1px,0)}
  30%,50%,70%{transform:translate3d(-3px,1px,0)}40%,60%{transform:translate3d(3px,-1px,0)}
}
body.blackout::before{
  content:"";position:fixed;inset:0;background:#000;z-index:88;pointer-events:none;
  animation:bo 1.6s ease-in-out;
}
@keyframes bo{0%{opacity:0}12%{opacity:1}70%{opacity:1}100%{opacity:0}}

/* ============ 屏幕切换 ============ */
.screen{position:fixed;inset:0;z-index:10;display:none;opacity:0;transition:opacity .7s ease}
.screen.active{display:flex;opacity:1}
.hidden{display:none !important}

/* ============ 按钮 ============ */
.btn{
  position:relative;background:transparent;border:1px solid var(--line2);
  color:var(--tx);padding:9px 20px;cursor:pointer;letter-spacing:.14em;
  transition:.25s;font-size:13px;
}
.btn:hover{border-color:var(--cy);color:var(--cy);box-shadow:0 0 18px -6px var(--cy-glow)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.32;cursor:not-allowed;border-color:var(--line);color:var(--tx-faint)}
.btn:disabled:hover{box-shadow:none;color:var(--tx-faint)}
.btn-primary{border-color:var(--cy-dim);color:var(--cy);background:rgba(84,200,192,.05)}
.btn-primary:hover{background:rgba(84,200,192,.13)}
.btn-lg{padding:14px 42px;font-size:15px;letter-spacing:.35em}
.btn-sm{padding:6px 14px;font-size:12px}
.btn-ghost{border-color:transparent;color:var(--tx-dim)}
.btn-ghost:hover{border-color:transparent;color:var(--cy);box-shadow:none}
.btn-danger{border-color:#5c2b28;color:var(--rd)}
.btn-danger:hover{border-color:var(--rd);color:#e8695e;box-shadow:0 0 18px -6px var(--rd-glow)}

/* ============ 封面 ============ */
#scr-boot{align-items:center;justify-content:center;text-align:center}
.boot-wrap{position:relative;z-index:2;max-width:640px;padding:24px}
.boot-line-top{
  font-family:var(--mono);font-size:11px;letter-spacing:.5em;color:var(--cy-dim);
  margin-bottom:26px;animation:blink 4s infinite;
}
@keyframes blink{0%,92%,100%{opacity:1}94%{opacity:.25}96%{opacity:1}97%{opacity:.4}}
.title-main{
  font-family:var(--serif);font-size:clamp(40px,9vw,78px);font-weight:700;
  margin:0;letter-spacing:.16em;line-height:1.15;color:#e7eef2;
  text-shadow:0 0 34px rgba(84,200,192,.22),0 0 90px rgba(0,0,0,.9);
}
.title-main .t-red{color:#d9584c;text-shadow:0 0 30px rgba(196,70,60,.5)}
.title-main .t-dot{color:var(--cy);margin:0 .1em;opacity:.6}
.title-sub{margin-top:14px;font-size:13px;letter-spacing:.62em;color:var(--tx-dim);padding-left:.62em}
.boot-meta{
  margin-top:26px;display:flex;justify-content:center;align-items:center;gap:14px;
  font-family:var(--mono);font-size:11px;color:var(--tx-faint);letter-spacing:.12em;flex-wrap:wrap;
}
.boot-meta i{width:3px;height:3px;background:var(--cy-dim);border-radius:50%;display:inline-block}
.boot-quote{
  font-family:var(--serif);font-size:15px;line-height:2.1;color:#8b969f;
  margin:38px 0 34px;letter-spacing:.1em;
}
.boot-quote::before,.boot-quote::after{content:"";display:block;width:44px;height:1px;background:var(--line2);margin:16px auto}
.boot-hint{margin-top:26px;font-size:11px;color:var(--tx-faint);letter-spacing:.18em}

/* ============ 面板通用 ============ */
.panel{
  position:relative;background:linear-gradient(160deg,rgba(14,20,26,.94),rgba(8,11,15,.97));
  border:1px solid var(--line);backdrop-filter:blur(3px);
  box-shadow:0 30px 90px -30px #000,inset 0 1px 0 rgba(255,255,255,.03);
}
.panel::before,.panel::after{
  content:"";position:absolute;width:12px;height:12px;border:1px solid var(--cy-dim);opacity:.6;
}
.panel::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.panel::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.panel-head{padding:22px 30px 0;text-align:center}
.ph-tag{font-family:var(--mono);font-size:10px;letter-spacing:.42em;color:var(--cy-dim)}
.panel-head h2{
  font-family:var(--serif);font-size:26px;letter-spacing:.42em;margin:8px 0 0;
  color:#dbe4ea;font-weight:600;padding-left:.42em;
}

/* ============ 大厅 ============ */
#scr-lobby{align-items:center;justify-content:center;padding:20px}
.lobby-panel{width:min(720px,100%);max-height:92vh;overflow:auto}
.lobby-body{padding:26px 34px 34px;text-align:center}
.lobby-desc{font-family:var(--serif);color:#93a0a9;line-height:2;margin:6px 0 26px;letter-spacing:.1em}
.lobby-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.lobby-cards{grid-template-columns:1fr}}
.lcard{
  background:rgba(255,255,255,.015);border:1px solid var(--line);padding:26px 18px;
  cursor:pointer;transition:.3s;text-align:center;color:var(--tx);
}
.lcard:hover{border-color:var(--cy-dim);background:rgba(84,200,192,.05);transform:translateY(-3px);
  box-shadow:0 18px 40px -22px var(--cy-glow)}
.lcard-ico{font-size:26px;color:var(--cy);margin-bottom:10px;opacity:.8}
.lcard-t{font-family:var(--serif);font-size:18px;letter-spacing:.2em;margin-bottom:10px}
.lcard-d{font-size:12px;color:var(--tx-dim);line-height:1.9}
.lcard-d b{color:var(--cy)}

.room-label{font-family:var(--mono);font-size:11px;letter-spacing:.4em;color:var(--tx-dim);margin-bottom:12px}
.room-code{
  font-family:var(--mono);font-size:clamp(34px,8vw,52px);letter-spacing:.28em;color:var(--cy);
  text-shadow:0 0 26px var(--cy-glow);padding-left:.28em;margin-bottom:22px;
}
.share-row{display:flex;gap:8px;margin-bottom:8px}
.share-row input{
  flex:1;background:#05080b;border:1px solid var(--line);padding:10px 12px;
  font-family:var(--mono);font-size:11px;color:var(--tx-dim);min-width:0;
}
.copy-tip{height:18px;font-size:11px;color:var(--cy);letter-spacing:.1em}
.wait-box{margin:22px 0 10px}
.wait-dots{display:flex;justify-content:center;gap:8px;margin-bottom:12px}
.wait-dots i{width:6px;height:6px;background:var(--cy-dim);border-radius:50%;animation:wd 1.4s infinite}
.wait-dots i:nth-child(2){animation-delay:.2s}.wait-dots i:nth-child(3){animation-delay:.4s}
@keyframes wd{0%,60%,100%{opacity:.2;transform:scale(.8)}30%{opacity:1;transform:scale(1.25)}}
.wait-text,.join-status,.peer-state,.ready-state{font-size:12px;color:var(--tx-dim);letter-spacing:.1em;min-height:20px}
.peer-state.ok{color:var(--cy)}
#join-code{
  display:block;width:min(320px,100%);margin:0 auto 18px;background:#05080b;
  border:1px solid var(--line2);padding:14px;text-align:center;
  font-family:var(--mono);font-size:26px;letter-spacing:.4em;color:var(--cy);text-transform:uppercase;
}
#join-code:focus{outline:none;border-color:var(--cy);box-shadow:0 0 22px -8px var(--cy-glow)}
.join-status.err{color:var(--rd)}

/* ============ 角色档案 ============ */
#scr-role{align-items:flex-start;justify-content:center;overflow:auto;padding:30px 16px}
.role-wrap{width:min(760px,100%);margin:auto}
.dossier{
  position:relative;background:linear-gradient(#0d1218,#0d1218) padding-box,
    linear-gradient(150deg,var(--line2),transparent 40%,var(--line2)) border-box;
  border:1px solid transparent;padding:34px 38px 40px;
  box-shadow:0 40px 120px -40px #000;
}
@media(max-width:640px){.dossier{padding:24px 20px 30px}}
.dossier::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,transparent 0 26px,rgba(255,255,255,.012) 26px 27px);
}
.dossier-stamp{
  position:absolute;top:24px;right:28px;border:2px solid var(--rd);color:var(--rd);
  font-family:var(--serif);font-size:16px;letter-spacing:.3em;padding:6px 14px;
  transform:rotate(-12deg);opacity:.62;padding-left:.3em;
}
.dossier-head{display:flex;gap:22px;align-items:flex-start;margin-bottom:26px}
.dossier-photo{
  width:104px;height:132px;flex:none;border:1px solid var(--line2);
  background:#080b0f;position:relative;overflow:hidden;
}
.dossier-photo svg{width:100%;height:100%;display:block}
.dossier-id{flex:1;min-width:0;padding-top:4px}
.did-row{display:flex;gap:12px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px}
.did-row label{width:76px;flex:none;color:var(--tx-faint);font-size:11px;letter-spacing:.16em;padding-top:2px}
.did-row b{font-family:var(--serif);font-size:19px;letter-spacing:.16em;color:#e2eaef}
.dossier-sec{margin-bottom:22px}
.dossier-sec h4{
  font-size:11px;letter-spacing:.36em;color:var(--cy-dim);margin:0 0 10px;
  padding-bottom:6px;border-bottom:1px solid var(--line);font-weight:500;
}
.dossier-sec div,.dossier-sec li{font-family:var(--serif);font-size:14.5px;line-height:2.05;color:#9fabb4;letter-spacing:.04em}
.dossier-sec .secret{
  color:#c9a7a2;background:rgba(196,70,60,.05);border-left:2px solid var(--rd);padding:12px 16px;
}
.dossier-rule ul{margin:0;padding-left:18px}
.dossier-rule li{font-family:var(--sans);font-size:13px;line-height:1.95;color:var(--tx-dim);margin-bottom:4px}
.dossier-rule b{color:var(--tx)}
.dossier-rule .cy{color:var(--cy)}
.dossier-rule .rd{color:var(--rd)}
#btn-ready{display:block;margin:30px auto 10px}
.ready-state{text-align:center}
.ready-state.ok{color:var(--cy)}

/* ============ 游戏主界面 ============ */
#scr-game{flex-direction:column}
#hud{
  height:56px;flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;background:linear-gradient(#0b1015,#080b0f);border-bottom:1px solid var(--line);
  z-index:20;gap:12px;
}
.hud-l{display:flex;align-items:baseline;gap:14px;min-width:0}
.hud-clock{font-family:var(--mono);font-size:22px;color:var(--am);letter-spacing:.1em;
  text-shadow:0 0 16px rgba(216,162,90,.35)}
.hud-act{font-family:var(--serif);font-size:14px;letter-spacing:.22em;color:#8d99a2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hud-c{display:flex;gap:18px;align-items:center}
@media(max-width:820px){.hud-c{display:none}}
.trust-wrap,.sanity-wrap{display:flex;align-items:center;gap:8px}
.trust-label{font-size:10px;letter-spacing:.24em;color:var(--tx-faint)}
.trust-bar,.sanity-bar{width:110px;height:5px;background:#151d24;border:1px solid var(--line);position:relative;overflow:hidden}
.trust-fill{height:100%;background:linear-gradient(90deg,var(--cy-dim),var(--cy));width:50%;transition:width .7s ease;box-shadow:0 0 12px var(--cy-glow)}
.sanity-fill{height:100%;background:linear-gradient(90deg,#6b3330,var(--rd));width:100%;transition:width .7s ease}
.trust-num{font-family:var(--mono);font-size:12px;color:var(--cy);width:22px}
.hud-r{display:flex;align-items:center;gap:14px;flex:none}
.hud-me{font-family:var(--serif);font-size:13px;letter-spacing:.14em;color:#a8b4bd}
.hud-peer{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--tx-faint);letter-spacing:.1em}
.hud-peer .dot{width:7px;height:7px;border-radius:50%;background:#4a3230;box-shadow:0 0 8px #4a3230}
.hud-peer.on .dot{background:var(--cy);box-shadow:0 0 10px var(--cy);animation:pulse 2.4s infinite}
.hud-peer.on span{color:var(--cy)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.42}}

#stage{flex:1;position:relative;display:flex;flex-direction:column;min-height:0;margin-right:352px}
@media(max-width:1080px){#stage{margin-right:0}}

#scene{flex:1;position:relative;min-height:0;overflow:hidden}
#scene-canvas{position:absolute;inset:0;width:100%;height:100%}
#hotspots{position:absolute;inset:0}
.hs{
  position:absolute;transform:translate(-50%,-50%);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:6px;z-index:3;
}
.hs-ring{
  width:26px;height:26px;border:1px solid var(--cy);border-radius:50%;position:relative;
  background:rgba(84,200,192,.07);transition:.3s;
}
.hs-ring::after{
  content:"";position:absolute;inset:-1px;border:1px solid var(--cy);border-radius:50%;
  animation:hsr 2.6s ease-out infinite;
}
@keyframes hsr{0%{transform:scale(1);opacity:.75}100%{transform:scale(2.5);opacity:0}}
.hs-ring::before{content:"";position:absolute;top:50%;left:50%;width:5px;height:5px;margin:-2.5px;
  background:var(--cy);border-radius:50%;box-shadow:0 0 10px var(--cy)}
.hs-label{
  font-size:11px;letter-spacing:.16em;color:#8fa0a8;background:rgba(4,7,10,.82);
  padding:2px 9px;border:1px solid var(--line);white-space:nowrap;opacity:0;transition:.3s;transform:translateY(-4px);
}
.hs:hover .hs-label{opacity:1;transform:translateY(0)}
.hs:hover .hs-ring{background:rgba(84,200,192,.24);box-shadow:0 0 24px var(--cy-glow);transform:scale(1.15)}
.hs.done .hs-ring{border-color:var(--tx-faint);background:rgba(255,255,255,.03)}
.hs.done .hs-ring::after{display:none}
.hs.done .hs-ring::before{background:var(--tx-faint);box-shadow:none}
.hs.done .hs-label{opacity:.4}
.hs.locked .hs-ring{border-color:#5c2b28;background:rgba(196,70,60,.06)}
.hs.locked .hs-ring::before{background:var(--rd)}

#scene-caption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 26px;
  font-family:var(--serif);font-size:13px;letter-spacing:.14em;color:#7c8992;
  background:linear-gradient(transparent,rgba(4,6,9,.9));pointer-events:none;text-align:center;
}

#narrative{
  flex:none;min-height:150px;max-height:42vh;overflow:auto;padding:20px 34px 16px;
  background:linear-gradient(rgba(6,9,12,.5),rgba(6,9,12,.94));
  border-top:1px solid var(--line);position:relative;
}
@media(max-width:640px){#narrative{padding:16px 18px}}
#narr-text{font-family:var(--serif);font-size:16px;line-height:2.15;color:#aab6bf;letter-spacing:.05em;max-width:900px;margin:0 auto}
#narr-text p{margin:0 0 14px}
#narr-text .nm{color:var(--cy);font-style:normal}
#narr-text .who{
  display:block;font-size:11px;letter-spacing:.3em;color:var(--cy-dim);
  margin-bottom:6px;font-family:var(--sans);
}
#narr-text .sys{font-family:var(--mono);font-size:13px;color:var(--am);letter-spacing:.06em;
  border-left:2px solid rgba(216,162,90,.4);padding-left:14px}
#narr-text .scare{color:#d9584c;font-weight:600;letter-spacing:.22em}
.cursor-blk{display:inline-block;width:8px;height:16px;background:var(--cy);vertical-align:-2px;animation:cb .9s steps(2) infinite}
@keyframes cb{0%,50%{opacity:1}51%,100%{opacity:0}}
.btn-next{position:sticky;bottom:0;display:block;margin:8px auto 0}

#act-actions{
  flex:none;padding:0 34px 18px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;
  background:rgba(6,9,12,.94);
}
#act-actions:empty{display:none}

.choice-grid{display:grid;gap:14px;margin-top:6px}
.choice-card{
  text-align:left;padding:18px 20px;background:rgba(255,255,255,.015);
  border:1px solid var(--line);cursor:pointer;transition:.3s;color:var(--tx);
}
.choice-card:hover{border-color:var(--cy-dim);background:rgba(84,200,192,.06);transform:translateX(4px)}
.choice-card.sel{border-color:var(--cy);background:rgba(84,200,192,.1)}
.choice-card.dim{opacity:.4}
.cc-t{font-family:var(--serif);font-size:16px;letter-spacing:.1em;color:#dbe4ea;margin-bottom:6px}
.cc-d{font-size:12.5px;color:var(--tx-dim);line-height:1.85}
.cc-tag{
  display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  color:var(--am);border:1px solid rgba(216,162,90,.35);padding:1px 7px;margin-top:8px;
}

/* ============ 右侧栏 ============ */
#rail{
  position:absolute;top:56px;right:0;bottom:0;width:352px;
  background:linear-gradient(180deg,#0a0e13,#070a0d);border-left:1px solid var(--line);
  display:flex;flex-direction:column;z-index:15;
}
@media(max-width:1080px){
  #rail{width:min(360px,88vw);transform:translateX(100%);transition:transform .4s cubic-bezier(.4,0,.2,1);
    box-shadow:-30px 0 70px -20px #000}
  #rail.open{transform:translateX(0)}
  #rail-toggle{display:flex !important}
}
#rail-toggle{
  display:none;position:fixed;top:64px;right:0;width:44px;height:56px;
  align-items:center;justify-content:center;background:#0a0e13;border:1px solid var(--line);
  border-right:0;border-radius:5px 0 0 5px;cursor:pointer;color:var(--cy);font-size:19px;
  z-index:30;letter-spacing:0;
}
#rail-toggle:hover{color:#dbe4ea;border-color:var(--cy-dim)}
#rail.open + #rail-toggle,
#rail-toggle.open{color:#dbe4ea;border-color:var(--cy-dim)}
.rail-tabs{display:flex;flex:none;border-bottom:1px solid var(--line)}
.rtab{
  flex:1;background:transparent;border:0;border-bottom:2px solid transparent;padding:13px 4px;
  cursor:pointer;font-size:12px;letter-spacing:.18em;color:var(--tx-faint);transition:.25s;
}
.rtab:hover{color:var(--tx-dim)}
.rtab.active{color:var(--cy);border-bottom-color:var(--cy);background:rgba(84,200,192,.04)}
.rtab .badge{
  display:inline-block;font-style:normal;font-family:var(--mono);font-size:10px;
  background:var(--cy-dim);color:#04070a;border-radius:8px;padding:0 5px;margin-left:3px;
}
.rail-pane{display:none;flex:1;min-height:0;flex-direction:column}
.rail-pane.active{display:flex}

/* ---------- 对讲机 ---------- */
.radio-head{
  flex:none;padding:12px 16px;border-bottom:1px solid var(--line);
  background:rgba(84,200,192,.03);
}
.radio-freq{font-family:var(--mono);font-size:11px;letter-spacing:.26em;color:var(--cy-dim);margin-bottom:6px}
.radio-freq span{color:var(--cy)}
.radio-wave{height:26px;position:relative;overflow:hidden;opacity:.75}
#radio-wave-c{width:100%;height:100%;display:block}
#radio-log{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:86%;padding:7px 11px;font-size:12.5px;line-height:1.65;border-radius:2px;animation:msgIn .35s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1}}
.msg.mine{align-self:flex-end;background:rgba(84,200,192,.09);border:1px solid rgba(84,200,192,.28);color:#bfe4e0}
.msg.peer{align-self:flex-start;background:rgba(255,255,255,.03);border:1px solid var(--line2);color:var(--tx)}
.msg.sys{
  align-self:center;background:transparent;border:0;color:var(--tx-faint);
  font-size:10.5px;letter-spacing:.18em;text-align:center;max-width:100%;
}
.msg.ai{
  align-self:flex-start;background:rgba(216,162,90,.05);border:1px solid rgba(216,162,90,.22);
  color:#d9c09a;border-left:2px solid var(--am);
}
.msg .mh{display:block;font-size:9.5px;letter-spacing:.22em;color:var(--tx-faint);margin-bottom:3px}
.msg.mine .mh{color:var(--cy-dim)}
.msg.ai .mh{color:var(--am)}
.radio-input{
  flex:none;display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);
  background:#080b0f;
}
.radio-input input{
  flex:1;background:#05080b;border:1px solid var(--line);padding:9px 11px;font-size:12.5px;min-width:0;
}
.radio-input input:focus{outline:none;border-color:var(--cy-dim)}
.radio-quick{flex:none;display:flex;gap:6px;flex-wrap:wrap;padding:0 12px 10px}
.rq{
  font-size:10.5px;padding:3px 9px;border:1px solid var(--line);background:transparent;
  color:var(--tx-dim);cursor:pointer;letter-spacing:.08em;transition:.2s;
}
.rq:hover{border-color:var(--cy-dim);color:var(--cy)}
.radio-glitch{animation:rg .3s steps(3) infinite}
@keyframes rg{0%{transform:translateX(0)}33%{transform:translateX(-1px)}66%{transform:translateX(1px)}100%{transform:translateX(0)}}

/* ---------- 手账 ---------- */
.clue-filter{flex:none;display:flex;gap:4px;padding:10px 12px;border-bottom:1px solid var(--line)}
.cf{
  flex:1;background:transparent;border:1px solid transparent;padding:5px 0;cursor:pointer;
  font-size:11px;letter-spacing:.16em;color:var(--tx-faint);transition:.2s;
}
.cf:hover{color:var(--tx-dim)}
.cf.active{color:var(--cy);border-color:rgba(84,200,192,.25);background:rgba(84,200,192,.05)}
#clue-list{flex:1;overflow-y:auto;padding:12px}
.clue-card{
  background:rgba(255,255,255,.02);border:1px solid var(--line);border-left:2px solid var(--line2);
  padding:10px 12px;margin-bottom:9px;cursor:pointer;transition:.25s;position:relative;
}
.clue-card:hover{border-color:var(--cy-dim);transform:translateX(2px)}
.clue-card .ct{
  font-family:var(--serif);font-size:13.5px;letter-spacing:.1em;color:#ccd7dd;margin-bottom:4px;
}
.clue-card .cd{font-size:11.5px;color:var(--tx-dim);line-height:1.8;max-height:3.6em;overflow:hidden;position:relative}
.clue-card .cd::after{content:"…";position:absolute;right:0;bottom:0;background:linear-gradient(transparent,var(--panel));padding-left:6px}
.clue-card .cm{
  display:flex;justify-content:space-between;margin-top:6px;font-family:var(--mono);
  font-size:9.5px;letter-spacing:.12em;color:var(--tx-faint);
}
.clue-card .cm .tag-share{color:var(--cy-dim)}
.clue-card .cm .tag-hide{color:var(--rd)}
.clue-card .cm .tag-ai{color:var(--am)}
.clue-card.new{animation:clueNew 2.2s ease}
@keyframes clueNew{0%{box-shadow:0 0 0 0 rgba(84,200,192,.6)}60%{box-shadow:0 0 24px 2px rgba(84,200,192,.25)}100%{box-shadow:none}}
.clue-card.poem{
  border-left-color:var(--am);background:rgba(216,162,90,.04);
}
.clue-card.poem .cd{font-family:var(--serif);color:#c3ac8b;font-style:italic;max-height:none}
.clue-card.poem .cd::after{display:none}
.clue-card.key{border-left-color:var(--rd);background:rgba(196,70,60,.05)}
.clue-card.key .ct{color:#e0a79f}

/* ---------- 档案页 ---------- */
#pane-brief{overflow-y:auto;padding:16px}
.brief-title{font-family:var(--serif);font-size:16px;letter-spacing:.18em;color:#d4dde3;margin-bottom:12px;
  border-bottom:1px solid var(--line);padding-bottom:8px}
.brief-sec{margin-bottom:16px}
.brief-sec h5{font-size:11px;letter-spacing:.3em;color:var(--cy-dim);margin:0 0 6px;font-weight:500}
.brief-sec p,.brief-sec li{font-size:12.5px;color:var(--tx-dim);line-height:1.9;margin:0 0 6px}
.brief-sec ul{margin:0;padding-left:16px}
.brief-ai{
  border:1px dashed rgba(216,162,90,.35);background:rgba(216,162,90,.04);padding:12px;
  margin-bottom:16px;position:relative;
}
.brief-ai h5{color:var(--am);font-family:var(--serif);letter-spacing:.24em}
.brief-ai p{color:#c9b594;font-family:var(--serif);font-size:13px;line-height:2}

/* ============ 弹层 ============ */
#modal-mask{
  position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.72);backdrop-filter:blur(4px);
  display:none;align-items:center;justify-content:center;padding:20px;
}
#modal-mask.open{display:flex}
#modal-box{
  width:min(680px,100%);max-height:86vh;overflow:auto;position:relative;
  background:linear-gradient(165deg,#0d131a,#080c10);border:1px solid var(--line2);
  box-shadow:0 50px 140px -30px #000,0 0 0 1px rgba(0,0,0,.6);
  animation:modalIn .3s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes modalIn{from{opacity:0;transform:scale(.94) translateY(12px)}to{opacity:1}}
#modal-close{
  position:absolute;top:8px;right:10px;background:transparent;border:0;color:var(--tx-faint);
  font-size:20px;cursor:pointer;z-index:5;padding:6px;line-height:1;
}
#modal-close:hover{color:var(--rd)}
#modal-body{padding:30px 34px 34px}
@media(max-width:640px){#modal-body{padding:22px 18px 24px}}

.mb-head{text-align:center;margin-bottom:20px}
.mb-tag{font-family:var(--mono);font-size:10px;letter-spacing:.4em;color:var(--cy-dim)}
.mb-title{font-family:var(--serif);font-size:24px;letter-spacing:.16em;color:#e2eaef;margin:8px 0 0;font-weight:600}
.mb-sub{font-size:12px;color:var(--tx-faint);margin-top:8px;letter-spacing:.08em}
.mb-body{font-family:var(--serif);font-size:15px;line-height:2.2;color:#9fabb4}
.mb-body p{margin:0 0 14px}
.mb-body .who{color:var(--cy)}
.mb-body .rd{color:var(--rd)}
.mb-body .am{color:var(--am)}
.mb-body .sys{font-family:var(--mono);font-size:13px;color:var(--am);display:block;margin:14px 0}
.mb-actions{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.mb-quote{
  font-style:italic;color:#7c8992;border-left:2px solid var(--line2);padding-left:16px;margin:16px 0;
}

/* ---------- 谜题 ---------- */
.puz-wrap{padding:8px 0}
.puz-ctx{font-family:var(--serif);font-size:14px;line-height:2;color:#9fabb4;margin-bottom:16px}
.puz-panel{
  border:1px solid var(--line);background:rgba(255,255,255,.015);padding:18px;margin-bottom:16px;
  position:relative;
}
.puz-panel h6{
  margin:0 0 10px;font-size:11px;letter-spacing:.3em;color:var(--cy-dim);font-weight:500;
  display:flex;justify-content:space-between;align-items:center;
}
.puz-panel h6 .pl{font-family:var(--mono);color:var(--tx-faint);letter-spacing:.1em}
.puz-panel p{font-size:13px;line-height:1.95;color:var(--tx-dim);margin:0 0 10px}
.puz-lock{
  display:flex;align-items:center;gap:8px;justify-content:center;
  color:var(--rd);font-size:13px;letter-spacing:.14em;font-family:var(--serif);
}
.puz-lock::before{content:"🔒";font-size:15px}
.puz-inputs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:8px 0}
.puz-inputs input{
  width:56px;height:58px;text-align:center;font-family:var(--mono);font-size:26px;
  background:#05080b;border:1px solid var(--line2);color:var(--cy);letter-spacing:.1em;
}
.puz-inputs input:focus{outline:none;border-color:var(--cy);box-shadow:0 0 18px -6px var(--cy-glow)}
.puz-inputs.letters input{width:64px;text-transform:uppercase}
.puz-hint{font-size:11px;color:var(--tx-faint);text-align:center;margin-top:8px;letter-spacing:.1em}
.puz-feedback{text-align:center;margin-top:12px;font-size:13px;min-height:20px;letter-spacing:.08em}
.puz-feedback.ok{color:var(--cy);animation:fbOk .6s ease}
.puz-feedback.no{color:var(--rd)}
@keyframes fbOk{0%{transform:scale(.9);opacity:0}60%{transform:scale(1.05)}100%{opacity:1}}
.grid-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px}
.grid-table th,.grid-table td{border:1px solid var(--line);padding:7px 8px;text-align:center;color:var(--tx-dim)}
.grid-table th{color:var(--cy-dim);font-weight:500;letter-spacing:.1em;font-size:10.5px;background:rgba(84,200,192,.04)}
.grid-table td.hl{color:var(--am);background:rgba(216,162,90,.06)}
.morse-sec{font-family:var(--mono);font-size:19px;letter-spacing:.35em;color:var(--cy);text-align:center;padding:16px 0 6px;word-break:break-all}
.morse-hint{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--tx-faint);text-align:center}
.puz-audio-btn{
  display:block;margin:10px auto;padding:10px 26px;background:transparent;
  border:1px solid var(--line2);color:var(--cy);cursor:pointer;font-size:12px;letter-spacing:.2em;
}
.puz-audio-btn:hover{border-color:var(--cy);box-shadow:0 0 16px -6px var(--cy-glow)}
.puz-audio-btn.playing{color:var(--rd);border-color:var(--rd);animation:blink .7s infinite}

/* ---------- 抉择/提交面板 ---------- */
.final-form{display:flex;flex-direction:column;gap:14px;margin-top:10px}
.final-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.final-row label{font-family:var(--serif);font-size:14px;color:#c3ced5;letter-spacing:.1em;min-width:120px}
.final-row input{
  flex:1;min-width:180px;background:#05080b;border:1px solid var(--line2);
  padding:12px 14px;font-family:var(--serif);font-size:16px;letter-spacing:.18em;color:var(--cy);
}
.final-row input:focus{outline:none;border-color:var(--cy);box-shadow:0 0 20px -8px var(--cy-glow)}
.final-sig{
  text-align:center;margin:18px 0;position:relative;
}
.final-sig .fs-line{height:1px;background:var(--line2);position:relative;margin:10px 40px}
.final-sig .fs-name{font-family:var(--serif);font-size:34px;letter-spacing:.3em;color:var(--rd);text-shadow:0 0 26px var(--rd-glow)}
.final-sig .fs-hint{font-size:10px;color:var(--tx-faint);letter-spacing:.26em;margin-top:8px}
.evidence-list{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.ev-item{
  display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--line);
  background:rgba(255,255,255,.015);
}
.ev-item .ev-check{width:18px;height:18px;flex:none;border:1px solid var(--line2);border-radius:2px;
  display:flex;align-items:center;justify-content:center;color:var(--cy);font-size:13px}
.ev-item.got .ev-check{border-color:var(--cy);background:rgba(84,200,192,.1)}
.ev-item.miss .ev-check{border-color:#5c2b28}
.ev-item .ev-t{font-size:12.5px;color:var(--tx-dim);flex:1}
.ev-item.got .ev-t{color:#b7c2ca}
.ev-item .ev-s{font-family:var(--mono);font-size:10px;color:var(--tx-faint)}

/* ---------- Toast ---------- */
#toast-wrap{position:fixed;top:70px;left:50%;transform:translateX(-50%);z-index:130;display:flex;
  flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  background:rgba(10,14,19,.95);border:1px solid var(--line2);border-left:2px solid var(--cy);
  padding:10px 22px;font-size:13px;letter-spacing:.1em;color:#cfd9df;
  box-shadow:0 14px 40px -12px #000;animation:tt 3.4s ease forwards;max-width:80vw;text-align:center;
}
.toast.warn{border-left-color:var(--rd);color:#e0b0aa}
.toast.ai{border-left-color:var(--am)}
@keyframes tt{0%{opacity:0;transform:translateY(-14px)}8%{opacity:1;transform:translateY(0)}85%{opacity:1}100%{opacity:0}}

/* ---------- 字幕层（AI低语/幽灵台词） ---------- */
#subtitle-layer{
  position:fixed;left:0;right:0;bottom:64px;z-index:95;text-align:center;pointer-events:none;
  display:flex;flex-direction:column;gap:6px;align-items:center;
}
.subtitle{
  font-family:var(--serif);font-size:15px;letter-spacing:.3em;color:#cfd8dd;
  text-shadow:0 0 18px rgba(0,0,0,.9),0 0 40px rgba(84,200,192,.25);
  background:rgba(4,6,9,.55);padding:6px 20px;opacity:0;transition:opacity .4s;
  max-width:86vw;
}
.subtitle.show{opacity:1}
.subtitle.whisper{color:#8fa0a8;font-style:italic;letter-spacing:.18em;font-size:13px}
.subtitle.scare{color:#d9584c;letter-spacing:.4em;text-shadow:0 0 30px rgba(196,70,60,.6)}

/* ============ 结局 ============ */
#scr-end{align-items:center;justify-content:center;overflow:auto;padding:30px 16px}
.end-wrap{width:min(720px,100%);text-align:center}
.end-code{
  font-family:var(--mono);font-size:12px;letter-spacing:.6em;color:var(--cy-dim);
  animation:blink 3.2s infinite;margin-bottom:18px;padding-left:.6em;
}
.end-title{
  font-family:var(--serif);font-size:clamp(30px,6vw,46px);letter-spacing:.22em;color:#e7eef2;
  margin:0 0 26px;line-height:1.3;
}
.end-title.good{color:#bfe4e0;text-shadow:0 0 40px rgba(84,200,192,.35)}
.end-title.bad{color:#d9584c;text-shadow:0 0 40px rgba(196,70,60,.4)}
.end-title.hidden{color:var(--am);text-shadow:0 0 40px rgba(216,162,90,.35)}
.end-body{
  font-family:var(--serif);font-size:15.5px;line-height:2.3;color:#aab6bf;text-align:left;
  background:rgba(255,255,255,.015);border:1px solid var(--line);padding:30px 34px;margin-bottom:22px;
}
.end-body p{margin:0 0 16px}
.end-body .who{color:var(--cy)}
.end-stats{
  display:flex;gap:0;justify-content:center;margin-bottom:24px;border:1px solid var(--line);
  background:rgba(255,255,255,.012);
}
.end-stats .es{flex:1;padding:14px 6px}
.end-stats .es b{display:block;font-family:var(--mono);font-size:22px;color:var(--cy);margin-bottom:4px}
.end-stats .es span{font-size:10.5px;letter-spacing:.2em;color:var(--tx-faint)}
.end-truth{
  font-family:var(--mono);font-size:11.5px;line-height:2.2;color:var(--tx-faint);text-align:left;
  margin-bottom:30px;letter-spacing:.05em;
}
.end-truth div{border-left:2px solid var(--line2);padding-left:14px;margin-bottom:8px}
.end-btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ============ 加载/调试 ============ */
#boot-err{
  position:fixed;bottom:10px;left:10px;z-index:200;background:#1a0e0e;color:#e0a79f;
  border:1px solid #5c2b28;font-size:11px;padding:6px 12px;display:none;font-family:var(--mono);
  max-width:70vw;white-space:pre-wrap;
}
@media print{.screen{display:none !important}}

/* 低配降级 */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important}
}