:root{
  --bg:#070a16;
  --ink:#edf7ff;
  --muted:#8fa6bd;
  --cyan:#5fffe0;
  --pink:#ff4fa3;
  --gold:#ffc857;
  --line:rgba(255,255,255,.12);
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{
  margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--ink);
  font:14px/1.5 "Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;outline:none;touch-action:none;background:#070a16}

/* ---------------- HUD ---------------- */
#hud{
  position:fixed;z-index:10;top:20px;left:22px;right:22px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  pointer-events:none;
}
.hud-main{
  min-width:232px;padding:13px 16px 12px;
  background:linear-gradient(180deg,rgba(10,16,32,.88),rgba(7,10,22,.78));
  border:1px solid rgba(95,255,224,.20);border-radius:14px;
  box-shadow:0 18px 50px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.hud-kicker{font-size:9px;letter-spacing:.32em;color:#708fa5}
.hud-score{
  font-size:42px;line-height:1.05;font-weight:800;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;color:#fff;
  text-shadow:0 0 18px rgba(95,255,224,.28);
}
.hud-sub{display:flex;align-items:center;gap:8px;margin-top:2px;font-size:11px;color:#9db6c8;font-variant-numeric:tabular-nums}
.dot{width:3px;height:3px;border-radius:50%;background:#43627a}
.hud-side{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.hud-chip{
  min-width:108px;padding:8px 12px;border-radius:10px;
  background:rgba(8,13,26,.78);border:1px solid rgba(255,255,255,.10);
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hud-chip span{font-size:9px;letter-spacing:.18em;color:#7790a6}
.hud-chip b{font-size:16px;color:var(--gold);font-variant-numeric:tabular-nums}
.hud-chip:nth-child(1) b{color:var(--cyan)}
.hud-dim{opacity:.18;transition:opacity .25s}

/* ---------------- overlays ---------------- */
/* Intro popup removed — never show a start modal. */
#intro{display:none !important}
.overlay{
  position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(ellipse at 50% 35%,rgba(12,20,42,.18),rgba(4,6,14,.72)),
    linear-gradient(180deg,rgba(4,6,14,.10),rgba(4,6,14,.72));
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.panel{
  width:min(470px,calc(100vw - 34px));padding:28px 28px 22px;
  background:linear-gradient(180deg,rgba(12,17,33,.96),rgba(7,10,22,.97));
  border:1px solid rgba(95,255,224,.25);border-radius:18px;
  box-shadow:0 36px 100px rgba(0,0,0,.66),inset 0 1px 0 rgba(255,255,255,.07);
  position:relative;overflow:hidden;
}
.panel::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--pink),transparent);
  opacity:.95;
}
.brand{font-size:10px;letter-spacing:.30em;color:#8ca9bd;text-transform:uppercase;display:flex;align-items:center;gap:8px}
.brand-mark{color:var(--cyan);letter-spacing:-.12em}
h1{font-size:42px;line-height:1.05;letter-spacing:.01em;margin:10px 0 8px;
  background:linear-gradient(90deg,#ffffff,#bffdf2 45%,#ffb8d7);
  -webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-size:34px;line-height:1.1;margin:10px 0 12px;color:#fff}
.lead{margin:0 0 16px;color:#a6bbcd;font-size:13px;line-height:1.7}
.controls{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.controls > div{
  display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:9px;
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.07);
  font-size:11px;color:#b9cbd9;
}
kbd{
  display:inline-flex;align-items:center;justify-content:center;min-width:23px;height:23px;
  padding:0 6px;border-radius:6px;border:1px solid rgba(95,255,224,.25);
  background:rgba(95,255,224,.08);color:#d6fff8;font:600 11px/1 "Segoe UI",sans-serif;
}
.auto{margin:14px 0 15px;font-size:11px;color:#7f98ac;letter-spacing:.03em}
.primary{
  width:100%;height:46px;border:0;border-radius:10px;cursor:pointer;
  color:#031312;font:800 14px/1 "Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:.08em;
  background:linear-gradient(180deg,#8dffe9,#36e7c5);
  box-shadow:0 12px 34px rgba(54,231,197,.28),inset 0 1px 0 rgba(255,255,255,.55);
}
.primary:hover{filter:brightness(1.06)}
.primary:active{transform:translateY(1px)}
.back{display:block;text-align:center;margin-top:12px;color:#718aa0;font-size:11px;text-decoration:none}
.back:hover{color:#b6d3e5}
.result{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin:14px 0 10px}
.result > div{padding:11px 8px;border-radius:10px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08);text-align:center}
.result b{display:block;font-size:23px;line-height:1.15;color:#fff;font-variant-numeric:tabular-nums}
.result span{display:block;margin-top:3px;font-size:8.5px;letter-spacing:.16em;color:#7891a6}
.best-line{text-align:center;font-size:10px;letter-spacing:.18em;color:#8198ab;margin-bottom:15px}
.best-line b{color:var(--gold);font-size:14px;letter-spacing:.04em}
.over-panel{border-color:rgba(255,79,163,.32)}
.over-panel::before{background:linear-gradient(90deg,transparent,var(--pink),var(--cyan),transparent)}

#hint{
  position:fixed;z-index:8;left:50%;bottom:18px;transform:translateX(-50%);
  padding:7px 14px;border-radius:999px;
  background:rgba(6,10,20,.66);border:1px solid rgba(255,255,255,.08);
  color:#8aa2b7;font-size:10.5px;letter-spacing:.06em;white-space:nowrap;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  pointer-events:none;
}
#flash{
  position:fixed;inset:0;z-index:20;pointer-events:none;opacity:0;
  background:radial-gradient(ellipse at center,rgba(255,60,120,0) 40%,rgba(255,40,100,.55) 100%);
  transition:opacity .12s;
}
#flash.on{opacity:1}
#flash.hit{
  background:radial-gradient(ellipse at center,rgba(255,255,255,0) 22%,rgba(255,245,190,.92) 100%);
}

/* pre-rendered KO cutscene */
.ko-cutscene{
  position:fixed;
  inset:0;
  z-index:40;
  background:#000;
  overflow:hidden;
}
.ko-cutscene[hidden]{display:none}
.ko-cutscene video{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
  background:#000;
}
#koFlash{
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  opacity:0;
  background:radial-gradient(ellipse at center,rgba(255,255,255,.04) 20%,rgba(255,245,200,.95) 100%);
  transition:opacity .07s linear;
}
#koFlash.on{opacity:1}
#koImpact{
  position:absolute;
  left:50%;
  top:48%;
  z-index:3;
  width:190px;
  height:190px;
  margin:-95px 0 0 -95px;
  pointer-events:none;
  opacity:0;
  background:
    radial-gradient(circle,rgba(255,255,255,1) 0 10%,rgba(255,224,120,.95) 12% 22%,rgba(255,150,40,.35) 24% 38%,transparent 40%),
    conic-gradient(from 0deg,transparent 0 6%,rgba(255,240,180,.9) 7% 8%,transparent 9% 18%,rgba(255,240,180,.9) 19% 20%,transparent 21% 100%);
  filter:blur(.2px) drop-shadow(0 0 18px rgba(255,180,60,.9));
}
#koImpact.on{animation:ko-impact .32s ease-out}
@keyframes ko-impact{
  0%{opacity:0;transform:scale(.15) rotate(0deg)}
  18%{opacity:1;transform:scale(1.15) rotate(10deg)}
  100%{opacity:0;transform:scale(1.8) rotate(24deg)}
}
#koSkip{
  position:absolute;
  right:26px;
  bottom:24px;
  z-index:5;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid rgba(120,255,230,.45);
  background:rgba(7,12,25,.72);
  color:#bffef0;
  font:600 13px/1 "Segoe UI",sans-serif;
  letter-spacing:.08em;
  cursor:pointer;
  backdrop-filter:blur(6px);
}
#koSkip:hover{background:rgba(10,23,40,.92)}
body.ko-playing #hud,
body.ko-playing #hint{opacity:0;pointer-events:none}

/* character picker */
#intro .panel{max-height:calc(100vh - 36px);overflow:auto}
.char-picker{margin:16px 0 12px}
.char-picker-title{
  font:700 10px/1 "Segoe UI",sans-serif;
  letter-spacing:.18em;
  color:#7d8ca8;
  text-transform:uppercase;
  margin-bottom:8px;
}
.char-options{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.char-option{
  appearance:none;
  border:1px solid rgba(120,160,200,.2);
  background:rgba(8,14,28,.72);
  border-radius:12px;
  padding:7px 5px 8px;
  color:#dce8ff;
  cursor:pointer;
  text-align:center;
  transition:border-color .15s,background .15s,transform .15s;
}
.char-option:hover{border-color:rgba(95,255,224,.45);transform:translateY(-1px)}
.char-option.chosen{
  border-color:#5fffe0;
  background:rgba(20,55,62,.55);
  box-shadow:0 0 0 1px rgba(95,255,224,.35),0 8px 22px rgba(0,0,0,.25);
}
.char-option img{
  display:block;
  width:100%;
  height:72px;
  object-fit:cover;
  object-position:center 22%;
  border-radius:8px;
  margin-bottom:5px;
  filter:saturate(1.08);
}
.char-option b{display:block;font:700 12px/1.2 "Segoe UI",sans-serif}
.char-option span{display:block;margin-top:2px;font:500 9px/1.2 "Segoe UI",sans-serif;color:#7f93ad}
.ghost{
  display:block;
  width:100%;
  margin-top:9px;
  padding:11px 18px;
  border-radius:12px;
  border:1px solid rgba(120,255,230,.25);
  background:rgba(8,14,28,.5);
  color:#a9c8d8;
  font:600 13px/1 "Segoe UI",sans-serif;
  cursor:pointer;
}
.ghost:hover{border-color:rgba(120,255,230,.55);color:#e5fffa}

/* In-scene story dialogue (bottom box, live 3D behind) */
.story{
  position:fixed;inset:0;z-index:40;pointer-events:none;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(180deg,rgba(4,6,14,.08) 0%,rgba(4,6,14,.0) 38%,rgba(4,6,14,.55) 100%);
}
.story.is-title{
  pointer-events:auto;
  cursor:pointer;
}
.story-title{
  pointer-events:auto;position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  background:radial-gradient(ellipse at 50% 42%,rgba(8,12,28,.55),rgba(4,6,14,.82));
}
.story-title-year{font-size:12px;letter-spacing:.42em;color:#8ca9bd}
.story-title-main{
  margin:14px 0 10px;font-size:clamp(34px,8vw,52px);font-weight:800;letter-spacing:.12em;color:#fff;
  text-shadow:0 0 28px rgba(255,79,163,.35);
}
.story-title-sub{font-size:12px;letter-spacing:.2em;color:#7f98ac}
.story-title-tap{
  margin-top:28px;font-size:12px;letter-spacing:.18em;color:#8aa2b7;
  animation:storyBlink 1.1s ease-in-out infinite;
}
.story-dialog{
  pointer-events:auto;
  margin:0 18px calc(18px + env(safe-area-inset-bottom,0px));
  width:min(760px,calc(100vw - 36px));align-self:center;
  display:grid;grid-template-columns:96px 1fr;gap:14px;padding:14px 16px 14px 14px;
  border-radius:16px;border:1px solid rgba(95,255,224,.22);
  background:linear-gradient(180deg,rgba(10,16,32,.92),rgba(7,10,22,.94));
  box-shadow:0 22px 60px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  animation:storyIn .28s ease-out;
}
@keyframes storyIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.story-portrait{
  width:96px;height:96px;border-radius:12px;overflow:hidden;position:relative;
  border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.35);
}
.story-portrait img{width:100%;height:100%;object-fit:cover;object-position:center 18%;display:block}
.story-portrait-fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font:800 34px/1 "Segoe UI","Microsoft YaHei",sans-serif;color:#5fffe0;
  background:radial-gradient(circle at 40% 30%,rgba(95,255,224,.16),rgba(8,12,28,.9));
}
.story-portrait-fallback[hidden],.story-portrait img[hidden]{display:none !important}
.story-body{min-width:0;position:relative;padding-top:2px}
.story-name{
  display:inline-block;margin-bottom:6px;padding:3px 10px;border-radius:999px;
  font-size:11px;letter-spacing:.16em;color:#031312;background:linear-gradient(90deg,#8dffe9,#36e7c5);
  font-weight:800;
}
.story-name.is-system{background:rgba(255,255,255,.1);color:#b7c9d8;font-weight:600}
.story-text{margin:0;min-height:2.8em;font-size:17px;line-height:1.55;color:#edf7ff;font-weight:600}
.story-next{
  margin-top:8px;font-size:11px;letter-spacing:.12em;color:#6f8aa0;text-align:right;
  animation:storyBlink 1.1s ease-in-out infinite;
}
.story-next[hidden]{display:none !important}
@keyframes storyBlink{0%,100%{opacity:.35}50%{opacity:1}}
.story-choices{display:grid;grid-template-columns:1fr;gap:10px;margin-top:12px}
.story-choice{
  height:48px;border:0;border-radius:12px;cursor:pointer;
  font:800 15px/1 "Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:.16em;
  color:#031312;background:linear-gradient(180deg,#8dffe9,#36e7c5);
  box-shadow:0 10px 28px rgba(54,231,197,.28);
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;
}
.story-choice:active{transform:translateY(1px);filter:brightness(.96)}

@media (max-width:760px){
  #hud{
    top:max(10px,env(safe-area-inset-top));
    left:max(10px,env(safe-area-inset-left));
    right:max(10px,env(safe-area-inset-right));
    gap:8px;
  }
  .hud-main{min-width:0;padding:10px 12px;border-radius:12px}
  .hud-score{font-size:28px}
  .hud-side{gap:6px}
  .hud-chip{min-width:72px;padding:6px 9px}
  .hud-chip b{font-size:13px}
  .panel{
    width:min(470px,calc(100vw - 24px));
    padding:20px 16px 16px;
    margin-bottom:env(safe-area-inset-bottom,0px);
  }
  h1{font-size:30px}
  h2{font-size:26px}
  .controls{grid-template-columns:1fr}
  #hint{
    left:50%;bottom:max(12px,env(safe-area-inset-bottom));
    transform:translateX(-50%);
    font-size:10px;padding:6px 10px;max-width:calc(100vw - 24px);
    white-space:normal;text-align:center;
  }
  .story-dialog{
    grid-template-columns:64px 1fr;
    margin:0 10px calc(12px + env(safe-area-inset-bottom,0px));
    padding:12px;gap:10px;border-radius:14px;
    width:calc(100vw - 20px);
  }
  .story-portrait{width:64px;height:64px;border-radius:10px}
  .story-text{font-size:15px;min-height:3.2em}
  .story-choice{height:48px;font-size:15px}
  .result{gap:6px}
  .result b{font-size:18px}
  #koSkip{
    bottom:max(16px,env(safe-area-inset-bottom));
    right:max(16px,env(safe-area-inset-right));
  }
}

@media (max-width:420px){
  .hud-sub{font-size:10px}
  .story-name{font-size:10px}
  .story-next{font-size:10px}
}