/* IceBlue Advent Arcade. Built on the BRAND.md tokens: icy winter night, Outfit + Figtree, pill buttons, one gold thing per screen. */
:root{
  /* ---- Theme: Night (default) ---- */
  --surface-000:#161821; --surface-100:#282a33; --surface-050:#101218;
  --ink:#ffffff; --ink-muted:#a9b0c2; --line:#30363c; --accent-text:#66cde8;

  /* ---- Brand ---- */
  --ice-500:#00acd8; --ice-300:#66cde8; --ice-700:#00728f;
  --navy-800:#132b4e; --night-900:#161821; --holly-500:#65aa77; --lime-300:#b4da77;

  /* ---- Festive extension (game only) ---- */
  --gold-400:#f5c451; --berry-500:#e2475a;

  /* ---- Gradients ---- */
  --grad-blue:linear-gradient(90deg,#00728f,#00acd8);
  --grad-green-blue:linear-gradient(90deg,#b4da77,#00acd8);
  --grad-night-glow:radial-gradient(#132b4e,#161821);

  /* ---- Type ---- */
  --font-display:Outfit,"Segoe UI",Arial,sans-serif;
  --font-body:Figtree,"Segoe UI",Arial,sans-serif;

  /* ---- Spacing ---- */
  --space-1:4px; --space-2:8px; --space-4:16px; --space-6:24px; --space-8:32px; --space-12:48px;

  /* ---- Radius ---- */
  --radius-sm:6px; --radius-md:12px; --radius-pill:28px;

  /* ---- Shadows ---- */
  --shadow-glow:0 0 0 3px rgba(0,172,216,.45);
  --shadow-lift:0 8px 24px rgba(0,0,0,.45);

  /* ---- Tints of the tokens above (kept here so components never hard-code colour) ---- */
  --tint-ice-06:rgba(102,205,232,.06); --tint-ice-12:rgba(102,205,232,.12); --tint-ice-25:rgba(102,205,232,.25); --tint-ice-45:rgba(102,205,232,.45);
  --tint-cyan-30:rgba(0,172,216,.3);
  --tint-gold-25:rgba(245,196,81,.25); --tint-gold-50:rgba(245,196,81,.5);
  --tint-holly-20:rgba(101,170,119,.2); --tint-holly-40:rgba(101,170,119,.4);
  --tint-berry-20:rgba(226,71,90,.2); --tint-berry-50:rgba(226,71,90,.5);
  --tint-ink-04:rgba(255,255,255,.04); --tint-ink-10:rgba(255,255,255,.1); --tint-ink-18:rgba(255,255,255,.18);
  --tint-black-35:rgba(0,0,0,.35);
  --tint-backdrop:rgba(16,18,24,.94);

  color-scheme:dark;
}
[data-theme="light"]{
  --surface-000:#ffffff; --surface-100:#f1f5f8; --surface-050:#e6edf2;
  --ink:#161821; --ink-muted:#5e6266; --line:#d4dae0; --accent-text:#00728f;
  --shadow-lift:0 8px 24px rgba(19,43,78,.18);
  color-scheme:light;
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html,body{margin:0}
[hidden]{display:none!important}
body{background:var(--surface-000);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:26px;padding-inline:var(--space-4);min-height:100vh;
  /* An icy night: a cold glow from above, deep navy below, and a faint frosted sparkle. */
  background-image:
    radial-gradient(ellipse 90% 55% at 50% -8%,rgba(102,205,232,.24),transparent 70%),
    radial-gradient(ellipse 60% 45% at 12% 18%,rgba(0,172,216,.10),transparent 70%),
    radial-gradient(ellipse 60% 45% at 88% 30%,rgba(180,218,119,.05),transparent 70%),
    radial-gradient(ellipse 120% 60% at 50% 110%,rgba(19,43,78,.95),transparent 70%),
    radial-gradient(rgba(205,238,255,.07) 1px,transparent 1.5px);
  background-size:auto,auto,auto,auto,22px 22px;background-attachment:fixed;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;text-transform:uppercase;text-wrap:balance}
h1 strong,h2 strong,h3 strong{font-weight:700;color:var(--accent-text)}
a{color:var(--accent-text)}
button{font:inherit;color:inherit}
:focus-visible{outline:none;box-shadow:var(--shadow-glow)}
.nw{white-space:nowrap}
.tnum{font-family:var(--font-display);font-variant-numeric:tabular-nums}
.ico{display:inline-block;width:1em;height:1em;flex:none;vertical-align:-.125em}
#snow{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;opacity:.85}
#frost{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.wrap{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding-block:var(--space-6) var(--space-12)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:44px;padding:10px var(--space-6);
  border-radius:var(--radius-pill);border:2px solid transparent;background:var(--ice-500);color:var(--night-900);
  font-family:var(--font-display);font-size:17.6px;line-height:20px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;cursor:pointer;white-space:nowrap;
  box-shadow:0 4px 0 var(--ice-700),0 8px 18px var(--tint-cyan-30);transition:transform .15s ease,background-color .15s ease,box-shadow .15s ease}
.btn:hover{background:var(--ice-300);transform:translateY(-1px)}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--ice-700),0 2px 6px var(--tint-cyan-30)}
.btn:focus-visible{box-shadow:var(--shadow-glow)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink);box-shadow:none}
.btn.ghost:hover{background:var(--tint-ink-10)}
.btn.festive{background:var(--gold-400);color:var(--night-900);box-shadow:0 4px 0 var(--tint-black-35),0 8px 22px var(--tint-gold-50)}
.btn.big{font-size:20px;padding:14px 32px;min-height:56px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:36px;border:1px solid var(--line);background:var(--surface-100);border-radius:var(--radius-pill);padding:6px 14px;
  font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;color:var(--ink-muted);transition:color .15s,border-color .15s}
.chip .ico{width:16px;height:16px;color:var(--ice-300)}
.chip:hover{color:var(--ink);border-color:var(--ice-300)}
.chip.on{background:var(--ice-500);color:var(--night-900);border-color:var(--ice-500)}
.chip.on .ico{color:var(--night-900)}
/* The music picker: a chip with a native select inside, so it works with keyboard and screen readers. */
.music-pick{position:relative;padding-right:30px;cursor:pointer}
.music-pick::after{content:"";position:absolute;right:13px;top:50%;width:6px;height:6px;margin-top:-5px;border:solid var(--ice-300);border-width:0 1.5px 1.5px 0;transform:rotate(45deg);pointer-events:none}
.music-pick select{appearance:none;-webkit-appearance:none;background:transparent;border:0;color:inherit;font:inherit;letter-spacing:inherit;text-transform:inherit;cursor:pointer;padding:0;max-width:170px;text-overflow:ellipsis}
.music-pick select:focus{outline:none}
.music-pick:focus-within{box-shadow:var(--shadow-glow)}
.music-pick option{background:var(--surface-100);color:var(--ink);text-transform:none}
/* Shown while the browser holds the music back until the first click. */
.music-hint{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:30;display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border:1px solid var(--ice-500);border-radius:var(--radius-pill);background:rgba(16,18,24,.88);color:var(--ink);cursor:pointer;
  font-family:var(--font-display);font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;box-shadow:0 8px 28px rgba(0,172,216,.3);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:hintIn .4s ease-out both, hintGlow 2.4s ease-in-out .4s infinite}
.music-hint .ico{color:var(--ice-300)}
@keyframes hintIn{from{opacity:0;transform:translate(-50%,10px)}}
@keyframes hintGlow{50%{box-shadow:0 8px 32px rgba(0,172,216,.55)}}
@media (prefers-reduced-motion:reduce){.music-hint{animation:none}}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header + hero ---------- */
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:14px;font-family:var(--font-display);font-weight:400;letter-spacing:.14em;text-transform:uppercase;font-size:14px;color:var(--ink-muted)}
.brand img{display:block;height:34px;width:auto}
.brand span{border-left:1px solid var(--line);padding-left:14px}
.tools{display:flex;gap:8px;flex-wrap:wrap}
.hero{display:grid;grid-template-columns:1fr auto;gap:var(--space-6);align-items:end;margin:var(--space-8) 0 var(--space-6)}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--ice-300);margin:0 0 10px}
.eyebrow .ico{width:16px;height:16px}
.hero h1{font-size:clamp(32px,5.2vw,52px);line-height:1.08;letter-spacing:.01em;margin:0}
.hero p{color:var(--ink-muted);max-width:58ch;margin:14px 0 0}
.hero p b{color:var(--ink);font-weight:600}
.count{text-align:center;min-width:170px;padding:14px 22px;border-radius:var(--radius-md);background:var(--surface-100);border:1px solid var(--line);position:relative;overflow:hidden}
.count:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad-blue)}
.count .n{font-family:var(--font-display);font-weight:700;font-size:clamp(44px,6vw,64px);line-height:1;color:var(--ice-300);font-variant-numeric:tabular-nums}
.count .l{font-size:13px;line-height:18px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);margin-top:6px}

.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:var(--space-6);align-items:start}

/* ---------- calendar ---------- */
.cal{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--space-4);padding:var(--space-6);border-radius:calc(var(--radius-md) + 6px);
  background:var(--grad-night-glow);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--tint-ink-10),inset 0 0 0 6px var(--tint-black-35),var(--shadow-lift);perspective:900px}
.cal-bar{display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap;margin-bottom:var(--space-4)}
.cal-bar span{font-size:15px;line-height:22px;color:var(--ink-muted)}
.door{position:relative;aspect-ratio:1;border:0;padding:0;background:var(--surface-050);border-radius:var(--radius-md);cursor:pointer;max-width:100%;
  box-shadow:inset 0 3px 10px var(--tint-black-35);transform-style:preserve-3d;transition:transform .2s ease}
.door .inside{position:absolute;inset:0;border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px;text-align:center;
  background:var(--grad-night-glow);font-size:12px;line-height:15px;color:var(--ice-300);box-shadow:inset 0 0 0 1px var(--tint-ice-12)}
.door .inside .gt{font-family:var(--font-display);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.03em;color:var(--ink)}
.door .face{position:absolute;inset:0;border-radius:var(--radius-md);transform-origin:left center;backface-visibility:hidden;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,opacity .3s ease;
  display:flex;flex-direction:column;justify-content:space-between;padding:10px 12px;text-align:left;
  background:var(--navy-800);border:2px solid var(--tint-ice-45);
  box-shadow:inset 0 1px 0 var(--tint-ink-18),inset 0 -12px 22px var(--tint-black-35),0 4px 10px var(--tint-black-35)}
.door .face:before{content:"";position:absolute;inset:5px;border-radius:calc(var(--radius-md) - 5px);border:1px solid var(--tint-ice-12);pointer-events:none}
.door .face:after{content:"";position:absolute;right:9px;top:50%;width:5px;height:14px;margin-top:-7px;border-radius:3px;background:var(--tint-ice-45)}
.door .num{font-family:var(--font-display);font-weight:700;font-size:clamp(26px,3.2vw,40px);line-height:1;color:var(--ice-300);font-variant-numeric:tabular-nums}
.door .sub{display:flex;align-items:center;gap:4px;font-family:var(--font-body);font-size:11px;line-height:14px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-muted)}
.door .sub .ico{width:12px;height:12px}
.door .ribbon{position:absolute;top:8px;right:8px;width:14px;height:14px;border-radius:3px;background:var(--berry-500)}
.door.open:hover{transform:translateY(-3px)}
.door.open:hover .face,.door.open:focus-visible .face{transform:rotateY(-24deg);box-shadow:inset 0 1px 0 var(--tint-ink-18),var(--shadow-lift)}
.door.opening .face{transform:rotateY(-108deg)!important}
.door:focus-visible{box-shadow:var(--shadow-glow)}
/* locked: a future day */
.door.locked{cursor:default}
.door.locked .face{border-color:var(--tint-ice-25);background:var(--navy-800) radial-gradient(var(--tint-ice-06) 1px,transparent 1.5px) 0 0/9px 9px}
.door.locked .num{opacity:.5}
.door.locked .face:after{display:none}
/* today: the one gold thing on the page */
.door.today .face{border-color:var(--gold-400);box-shadow:0 0 0 4px var(--tint-gold-25),0 0 28px var(--tint-gold-25),inset 0 1px 0 var(--tint-ink-18);animation:todayGlow 2.4s ease-in-out infinite}
.door.today .num{color:var(--gold-400)}
.door.today .sub{color:var(--ink)}
@keyframes todayGlow{50%{box-shadow:0 0 0 6px var(--tint-gold-25),0 0 40px var(--tint-gold-50),inset 0 1px 0 var(--tint-ink-18)}}
/* opened / played */
.door.done .face{background:var(--surface-100);border-color:var(--holly-500)}
.door.done .num,.door.done .sub{color:var(--holly-500)}
.door.done .face:after{background:var(--tint-holly-40)}
/* missed: open but not yet played */
.door.missed .face{background:var(--surface-050);border:2px dashed var(--line);box-shadow:none}
.door.missed .num{color:var(--ink-muted)}

/* ---------- side panels ---------- */
.side{display:grid;gap:var(--space-4)}
.card{position:relative;background:var(--surface-100);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px var(--space-4) var(--space-4);overflow:hidden;box-shadow:var(--shadow-lift)}
.card:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad-blue)}
.card h2{font-size:23px;line-height:28px;margin:0 0 4px}
.card .hint{color:var(--ink-muted);font-size:14px;line-height:20px;margin:0 0 12px}
.me-row{display:flex;gap:8px}
input[type=text],input[type=number],input[type=email],input[type=password]{background:var(--surface-050);border:1px solid var(--line);color:var(--ink);border-radius:var(--radius-sm);padding:10px 12px;font:inherit;min-width:0;width:100%;min-height:44px;
  box-shadow:inset 0 2px 4px var(--tint-black-35);transition:border-color .15s,box-shadow .15s}
input:focus{outline:none;border-color:var(--ice-500);box-shadow:var(--shadow-glow)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}
.stat{background:var(--surface-050);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px;text-align:center}
.stat .v{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:22px;line-height:26px;font-weight:700;color:var(--ice-300)}
.stat .k{font-size:11px;line-height:14px;font-weight:600;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.08em}
.board{list-style:none;margin:0;padding:0;display:grid;gap:6px;max-height:460px;overflow:auto}
.board li{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px 10px;border-radius:var(--radius-sm);background:var(--surface-050);border:1px solid transparent;font-size:15px;line-height:20px}
.board li.me{border-color:var(--ice-500);background:var(--tint-ice-06)}
.board .rk{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;font-family:var(--font-display);font-weight:700;font-size:13px;color:var(--ink-muted);background:var(--surface-100)}
.board li:nth-child(1) .rk{background:var(--ice-500);color:var(--night-900)}
.board li:nth-child(2) .rk{background:var(--ice-300);color:var(--night-900)}
.board li:nth-child(3) .rk{background:var(--holly-500);color:var(--night-900)}
.board .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board .nm small{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--night-900);background:var(--ice-300);border-radius:4px;padding:0 5px;margin-left:6px}
.board .pt{font-family:var(--font-display);font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.board .pt small{display:block;font-family:var(--font-body);font-weight:400;color:var(--ink-muted);font-size:12px;line-height:14px}
.board li.empty{display:block;background:none}
.empty{color:var(--ink-muted);font-size:14px;padding:10px 0}
.note{font-size:14px;line-height:20px;color:var(--ink-muted);margin-top:10px}
.rules{margin-top:var(--space-8);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4)}
.rules div{padding:var(--space-4);border-radius:var(--radius-md);background:var(--tint-ink-04);border:1px solid var(--line)}
.rules .ico{width:28px;height:28px;color:var(--ice-300);margin-bottom:8px;display:block}
.rules h3{margin:0 0 4px;font-size:17px;line-height:22px}
.rules p{margin:0;color:var(--ink-muted);font-size:14px;line-height:20px}

/* ---------- badges ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:13px;line-height:18px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
  background:var(--surface-100);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line);margin:0 6px 6px 0}
.tag.info{background:var(--ice-700);color:var(--ink);box-shadow:none}
.tag.ok{background:var(--holly-500);color:var(--night-900);box-shadow:none}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:10;background:var(--tint-backdrop);backdrop-filter:blur(6px);display:flex;align-items:flex-start;justify-content:center;overflow:auto;padding:max(16px,env(safe-area-inset-top,0px)) 16px 24px}
.sheet{position:relative;width:100%;max-width:700px;background:var(--surface-000);border:1px solid var(--line);border-radius:calc(var(--radius-md) + 6px);margin:auto;overflow:hidden;box-shadow:var(--shadow-lift),0 0 0 1px var(--tint-ice-12);animation:sheetIn .3s cubic-bezier(.2,.8,.3,1.1)}
@keyframes sheetIn{from{opacity:0;transform:translateY(16px) scale(.96)}}
.sheet header{position:relative;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);background:var(--grad-night-glow)}
.sheet header:after{content:"";position:absolute;inset:auto 0 -1px;height:3px;background:var(--grad-blue)}
.sheet header .hd{display:flex;align-items:center;gap:14px;min-width:0}
.sheet header .dn{display:flex;align-items:center;justify-content:center;flex:none;width:56px;height:56px;border-radius:var(--radius-md);background:var(--navy-800);border:2px solid var(--tint-ice-45);
  font-family:var(--font-display);font-weight:700;font-size:28px;color:var(--ice-300);box-shadow:inset 0 1px 0 var(--tint-ink-18)}
.sheet header .t{font-family:var(--font-display);font-size:23px;line-height:28px;text-transform:uppercase}
.sheet header .d{font-size:13px;line-height:18px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text)}
.x{display:flex;align-items:center;justify-content:center;background:var(--surface-100);border:1px solid var(--line);border-radius:50%;width:44px;height:44px;cursor:pointer;flex:none;color:var(--ink);transition:border-color .15s,transform .15s}
.x:hover{border-color:var(--ice-300);transform:rotate(90deg)}
.x .ico{width:20px;height:20px}
.stage{position:relative;padding:20px;min-height:320px}
.intro p{margin:0 0 12px}
.intro .how{font-size:18px;line-height:28px}
.intro .status{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:var(--radius-md);background:var(--surface-100);border-left:3px solid var(--ice-500);font-size:15px;line-height:22px}
.intro .status.scored{border-left-color:var(--holly-500)}
.daybd{margin-top:22px}
.daybd h4{margin:0 0 8px;font-size:14px;letter-spacing:.08em;color:var(--ink-muted)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.actions.center{justify-content:center}

/* ---------- ready, set, go ---------- */
.ready{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px;gap:8px}
.ready .rn{font-family:var(--font-display);font-weight:700;text-transform:uppercase;font-size:120px;line-height:1;color:var(--ice-300);text-shadow:0 0 40px var(--tint-cyan-30);animation:readyIn .7s cubic-bezier(.2,.8,.3,1.2) both}
.ready .rn.go{color:var(--ink)}
.ready .rl{font-family:var(--font-display);font-size:14px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-muted)}
@keyframes readyIn{0%{opacity:0;transform:scale(1.8)}35%{opacity:1;transform:scale(1)}80%{opacity:1}100%{opacity:0;transform:scale(.85)}}

/* ---------- results ---------- */
.result{text-align:center;padding:6px 0}
.result h3{font-size:32px;line-height:38px;margin:0}
.result .stars{display:flex;justify-content:center;gap:10px;margin:14px 0 6px}
.result .stars .ico{width:44px;height:44px;color:var(--line);transition:color .2s}
.result .stars .ico.lit{color:var(--ice-300);fill:var(--tint-ice-25);animation:starIn .45s cubic-bezier(.2,.8,.3,1.4) both}
.result.win .stars .ico.lit{color:var(--gold-400);fill:var(--tint-gold-50)}
@keyframes starIn{0%{transform:scale(0) rotate(-40deg)}100%{transform:scale(1) rotate(0)}}
.result .big{font-family:var(--font-display);font-weight:700;font-size:clamp(64px,14vw,96px);line-height:1;color:var(--ice-300);font-variant-numeric:tabular-nums;text-shadow:0 0 36px var(--tint-cyan-30)}
.result.win .big{color:var(--gold-400);text-shadow:0 0 36px var(--tint-gold-50)}
.result .of{color:var(--ink-muted);font-size:15px}
.result .saved{margin:14px auto 0;max-width:46ch;font-size:14px;line-height:20px;color:var(--ink-muted)}
.result .ans{margin:14px auto 0;max-width:52ch;font-size:14px;line-height:20px;text-align:left;background:var(--surface-100);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px}

/* ---------- game common ---------- */
.hud{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px;font-size:14px;line-height:20px;color:var(--ink-muted)}
.hud>span{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);background:var(--surface-100);border:1px solid var(--line)}
.hud b{font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums;display:inline-block}
.hud .pips{display:inline-flex;gap:3px}
.hud .pips i{width:9px;height:9px;border-radius:2px;background:var(--ice-300)}
.hud .pips i.off{background:var(--line)}
.bump{animation:bump .3s ease}
@keyframes bump{40%{transform:scale(1.35);color:var(--ice-300)}}
.timer{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.tbar{flex:1;height:12px;background:var(--surface-050);border:1px solid var(--line);border-radius:var(--radius-pill);overflow:hidden;box-shadow:inset 0 2px 4px var(--tint-black-35)}
.tbar i{display:block;height:100%;width:100%;border-radius:var(--radius-pill);background:var(--grad-blue);box-shadow:inset 0 1px 0 var(--tint-ink-18);transition:width .1s linear}
.tbar.race i{background:var(--grad-green-blue)}
.timer.danger .tbar i{background:var(--berry-500)}
.timer.danger .tlab{color:var(--berry-500);animation:pulse .5s ease-in-out infinite alternate}
@keyframes pulse{to{transform:scale(1.12)}}
.tlab{font-family:var(--font-display);font-weight:700;font-variant-numeric:tabular-nums;font-size:16px;min-width:6ch;text-align:right;color:var(--ink)}
.gcanvas{display:block;width:100%;border-radius:var(--radius-md);background:var(--grad-night-glow);border:1px solid var(--line);touch-action:manipulation;cursor:crosshair;box-shadow:inset 0 0 40px var(--tint-black-35)}
.grid{display:grid;gap:8px;margin:0 auto}
.cell{position:relative;aspect-ratio:1;border-radius:10px;border:1px solid var(--line);background:var(--surface-100);display:flex;align-items:center;justify-content:center;font-size:clamp(20px,5vw,30px);
  cursor:pointer;user-select:none;max-width:100%;color:var(--ice-300);box-shadow:inset 0 1px 0 var(--tint-ink-10),0 3px 0 var(--surface-050);transition:transform .1s,border-color .15s,background-color .15s,box-shadow .15s}
.cell .ico{width:55%;height:55%}
.cell:hover{border-color:var(--ice-300);transform:translateY(-1px)}
.cell:active{transform:translateY(2px);box-shadow:inset 0 1px 0 var(--tint-ink-10),0 1px 0 var(--surface-050)}
.big-q{font-family:var(--font-display);font-weight:700;font-size:clamp(28px,6vw,44px);line-height:1.2;letter-spacing:.08em;text-align:center;margin:18px 0;font-variant-numeric:tabular-nums}
.qtext{font-size:20px;line-height:28px;font-weight:600;margin:6px 0 16px}
.garland{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin:12px 0 18px;padding:14px 10px 10px;position:relative}
.garland:before{content:"";position:absolute;left:4%;right:4%;top:8px;height:14px;border-top:2px solid var(--holly-500);border-radius:50%}
.garland .ico{width:clamp(24px,6vw,34px);height:clamp(24px,6vw,34px);color:var(--ice-300);position:relative}
.garland .q{display:flex;align-items:center;justify-content:center;width:clamp(28px,7vw,40px);height:clamp(28px,7vw,40px);border-radius:8px;border:2px dashed var(--ice-500);font-family:var(--font-display);font-weight:700;color:var(--ice-500)}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt{display:flex;align-items:center;gap:10px;text-align:left;padding:14px 16px;min-height:52px;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--surface-100);cursor:pointer;font-size:16px;line-height:22px;
  box-shadow:inset 0 1px 0 var(--tint-ink-10),0 3px 0 var(--surface-050);transition:transform .1s,border-color .15s,background-color .15s}
.opt.ic{justify-content:center}
.opt .ico{width:32px;height:32px;color:var(--ice-300)}
.opt:hover:not(:disabled){border-color:var(--ice-300);transform:translateY(-1px)}
.opt:active:not(:disabled){transform:translateY(2px)}
.opt.good{background:var(--tint-holly-20);border-color:var(--holly-500);box-shadow:0 0 0 2px var(--holly-500)}
.opt.bad{background:var(--tint-berry-20);border-color:var(--berry-500)}
.opt:disabled{cursor:default}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row input{flex:1 1 160px}
.tiles{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:18px 0}
.tiles span{width:44px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--ink);color:var(--night-900);font-family:var(--font-display);font-weight:700;font-size:24px;
  box-shadow:0 4px 0 var(--ice-700),0 8px 14px var(--tint-black-35);animation:tileIn .35s cubic-bezier(.2,.8,.3,1.3) both}
.tiles span:nth-child(2){animation-delay:.03s}.tiles span:nth-child(3){animation-delay:.06s}.tiles span:nth-child(4){animation-delay:.09s}.tiles span:nth-child(5){animation-delay:.12s}
.tiles span:nth-child(6){animation-delay:.15s}.tiles span:nth-child(7){animation-delay:.18s}.tiles span:nth-child(8){animation-delay:.21s}.tiles span:nth-child(n+9){animation-delay:.24s}
@keyframes tileIn{from{opacity:0;transform:translateY(-14px) rotate(-8deg)}}
.flash-bad{animation:shake .3s}
.keys{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:6px;margin-top:16px}
.keys button{padding:10px 0;min-height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface-100);cursor:pointer;font-family:var(--font-display);font-weight:700;font-size:16px;
  box-shadow:0 3px 0 var(--surface-050);transition:transform .1s,background-color .15s}
.keys button:hover:not(:disabled){border-color:var(--ice-300)}
.keys button:active{transform:translateY(2px)}
.keys button:disabled{opacity:.25;box-shadow:none;cursor:default}
.phrase{font-family:var(--font-display);font-weight:700;font-size:clamp(20px,4.5vw,30px);letter-spacing:.18em;text-align:center;margin:18px 0;word-spacing:.4em;color:var(--ice-300)}
.list{display:grid;gap:8px}
.list .it{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:6px;align-items:center;background:var(--surface-100);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 10px;box-shadow:0 3px 0 var(--surface-050);animation:tileIn .25s ease both}
.list .it button{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface-050);cursor:pointer;color:var(--ice-300)}
.list .it button:hover:not(:disabled){border-color:var(--ice-300)}
.list .it button:disabled{opacity:.25;cursor:default}
.list .it .ico{width:20px;height:20px}
.bigclock{font-family:var(--font-display);font-weight:700;font-variant-numeric:tabular-nums;font-size:clamp(56px,14vw,96px);line-height:1;text-align:center;margin:24px auto;padding:22px 10px;max-width:420px;
  border-radius:var(--radius-md);background:var(--surface-050);border:1px solid var(--line);color:var(--ice-300);box-shadow:inset 0 4px 16px var(--tint-black-35);text-shadow:0 0 30px var(--tint-cyan-30)}
.react{height:260px;border-radius:var(--radius-md);display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;font-family:var(--font-display);font-size:24px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
  cursor:pointer;user-select:none;border:2px solid var(--line);background:var(--surface-100);text-align:center;padding:10px;transition:background-color .1s}
.react .ico{width:72px;height:72px}
.react.wait{background:var(--navy-800);border-style:dashed;border-color:var(--ice-700);color:var(--ink-muted)}
.react.go{background:var(--gold-400);border-color:var(--gold-400);color:var(--night-900);box-shadow:0 0 40px var(--tint-gold-50)}
.meter{position:relative;height:56px;border-radius:var(--radius-pill);background:var(--surface-050);border:1px solid var(--line);overflow:hidden;margin:22px 0;box-shadow:inset 0 3px 8px var(--tint-black-35)}
.meter .zone{position:absolute;top:0;bottom:0;background:var(--tint-holly-40);border-left:2px solid var(--holly-500);border-right:2px solid var(--holly-500);transition:left .3s,width .3s}
.meter .mk{position:absolute;top:4px;bottom:4px;width:8px;border-radius:4px;background:var(--ice-300);margin-left:-4px;box-shadow:0 0 14px var(--ice-500)}
.ws{display:grid;gap:4px;margin:0 auto;max-width:440px;user-select:none}
.ws span{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--surface-100);font-family:var(--font-display);font-weight:700;font-size:clamp(13px,3.6vw,19px);cursor:pointer;transition:background-color .15s,transform .1s}
.ws span:hover{background:var(--navy-800)}
.ws span.sel{background:var(--ice-500);color:var(--night-900);transform:scale(1.1)}
.ws span.found{background:var(--tint-holly-40);color:var(--ink)}
.words{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:14px}
.words span{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:.06em;padding:4px 10px;border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--surface-100)}
.words span.got{text-decoration:line-through;color:var(--ink-muted);border-color:var(--holly-500);background:var(--tint-holly-20)}
.bells{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:380px;margin:18px auto}
.bell{display:flex;align-items:center;justify-content:center;aspect-ratio:1.3;border-radius:var(--radius-md);border:2px solid currentColor;background:var(--surface-100);cursor:pointer;opacity:.55;
  transition:opacity .12s,transform .12s,background-color .12s,box-shadow .12s;box-shadow:0 4px 0 var(--surface-050)}
.bell .ico{width:46%;height:46%}
.bell.lit{opacity:1;transform:scale(1.05);background:currentColor;box-shadow:0 0 34px currentColor}
.bell.lit .ico{color:var(--night-900)}
.hole{padding:0;overflow:hidden;background:var(--surface-050);cursor:pointer;color:inherit}
.hole:after{content:"";position:absolute;left:10%;right:10%;bottom:0;height:24%;z-index:2;border-radius:4px 4px 0 0;border-top:6px solid var(--ink);
  background:var(--surface-100) repeating-linear-gradient(0deg,transparent 0 9px,var(--line) 9px 10px)}
.elf{position:absolute;left:50%;bottom:-90%;width:82%;aspect-ratio:1;transform:translateX(-50%);transition:bottom .12s ease-out;pointer-events:none;z-index:1}
.elf svg{display:block;width:100%;height:100%}
.elf .face,.elf .ear{fill:var(--surface-100);stroke:var(--ice-300);stroke-width:2}
.elf .hat{fill:var(--holly-500)}
.elf .brim{fill:var(--ink)}
.elf .pom{fill:var(--lime-300)}
.elf .eye{fill:var(--ice-300)}
.elf .mouth{fill:none;stroke:var(--ice-300);stroke-width:2;stroke-linecap:round}
.hole.up .elf{bottom:6%}
.slide{position:relative;max-width:340px;margin:12px auto;aspect-ratio:1;border-radius:var(--radius-md);background:var(--surface-050);border:1px solid var(--line);box-shadow:inset 0 3px 10px var(--tint-black-35)}
.slide .tile{position:absolute;width:33.333%;height:33.333%;padding:4px;transition:left .14s ease-out,top .14s ease-out;cursor:pointer}
.slide .tile div{width:100%;height:100%;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:36px;color:var(--night-900);
  background-image:var(--grad-green-blue);background-size:300% 300%;box-shadow:inset 0 1px 0 var(--tint-ink-18),0 4px 0 var(--ice-700)}
.slide .tile:hover div{filter:brightness(1.08)}
.lights .cell{color:var(--line)}
.lights .cell.on{background:var(--navy-800);color:var(--lime-300);border-color:var(--ice-300);box-shadow:0 0 18px var(--tint-ice-45),inset 0 0 14px var(--tint-ice-25)}
.mine .cell{font-family:var(--font-display);font-size:clamp(14px,3.6vw,19px);font-weight:700;border-radius:var(--radius-sm)}
.mine .cell.rev{background:var(--surface-050);box-shadow:inset 0 2px 4px var(--tint-black-35);cursor:default;transform:none;color:var(--ice-300)}
.mine .cell.n2{color:var(--holly-500)}.mine .cell.n3,.mine .cell.n4,.mine .cell.n5{color:var(--lime-300)}
.mine .cell.coal{background:var(--berry-500);color:var(--night-900);animation:shake .3s}
.mine .cell .ico{width:60%;height:60%}
.sud .cell.given{background:var(--navy-800);cursor:default;color:var(--ink);transform:none}
.sud .cell.bad{border-color:var(--berry-500);box-shadow:0 0 0 2px var(--berry-500)}
.card-face{width:120px;height:168px;border-radius:var(--radius-md);background:var(--ink);color:var(--night-900);display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:48px;line-height:1;margin:14px auto;box-shadow:0 10px 26px var(--tint-black-35),inset 0 0 0 6px var(--surface-100)}
.card-face.red{color:var(--berry-500)}
.card-face.deal{animation:deal .35s cubic-bezier(.2,.8,.3,1.2)}
@keyframes deal{from{transform:rotateY(90deg) translateY(-8px)}}
/* memory: 3D flip */
.mem .cell{perspective:600px;background:none;border:0;box-shadow:none;padding:0}
.mem .flipper{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.mem .cell.flip .flipper,.mem .cell.ok .flipper{transform:rotateY(180deg)}
.mem .back,.mem .front{position:absolute;inset:0;border-radius:10px;display:flex;align-items:center;justify-content:center;backface-visibility:hidden}
.mem .back{background:var(--navy-800) radial-gradient(var(--tint-ice-12) 1.5px,transparent 2px) 0 0/10px 10px;border:2px solid var(--tint-ice-45);box-shadow:0 3px 0 var(--surface-050)}
.mem .back .ico{width:40%;height:40%;color:var(--tint-ice-45)}
.mem .front{transform:rotateY(180deg);background:var(--ink);color:var(--ice-700);border:2px solid var(--ink)}
.mem .front .ico{width:55%;height:55%}
.mem .cell.ok .front{background:var(--tint-holly-20);border-color:var(--holly-500);color:var(--holly-500)}

/* ---------- fx ---------- */
#fx{position:fixed;inset:0;pointer-events:none;z-index:30;overflow:hidden}
#fx canvas{position:absolute;inset:0;width:100%;height:100%}
.pop{position:absolute;transform:translate(-50%,-50%);font-family:var(--font-display);font-weight:700;font-size:22px;color:var(--ice-300);text-shadow:0 2px 8px var(--tint-black-35);white-space:nowrap;animation:popUp .8s ease-out forwards}
.pop.bad{color:var(--berry-500)}
.pop.ok{color:var(--holly-500)}
@keyframes popUp{0%{opacity:0;transform:translate(-50%,-30%) scale(.6)}20%{opacity:1;transform:translate(-50%,-70%) scale(1.15)}100%{opacity:0;transform:translate(-50%,-190%) scale(1)}}
.shake{animation:shake .3s}
@keyframes shake{20%{transform:translateX(-6px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(2px)}}
.flash-good{animation:flashGood .4s ease-out}
.flash-miss{animation:flashBad .4s ease-out}
@keyframes flashGood{0%{box-shadow:0 0 0 0 var(--holly-500)}100%{box-shadow:0 0 0 14px transparent}}
@keyframes flashBad{0%{box-shadow:0 0 0 0 var(--berry-500)}100%{box-shadow:0 0 0 14px transparent}}

.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ice-700);color:var(--ink);padding:12px 18px;border-radius:var(--radius-pill);z-index:40;font-weight:600;font-size:15px;line-height:20px;
  max-width:calc(100% - 32px);box-shadow:var(--shadow-lift);animation:toastIn .3s cubic-bezier(.2,.8,.3,1.2)}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,20px)}}
.preview-banner{display:flex;gap:10px;align-items:center;background:var(--tint-ice-12);border:1px solid var(--ice-700);color:var(--ink);border-radius:var(--radius-md);padding:10px 14px;font-size:15px;line-height:22px;margin-bottom:14px}
.preview-banner.warn{border-color:var(--berry-500);background:var(--tint-berry-20)}

/* ---------- sign-up ---------- */
.reg{display:grid;gap:6px}
.reg label{font-size:12px;line-height:16px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);margin-top:4px}
.reg label.check{display:flex;gap:8px;align-items:flex-start;text-transform:none;letter-spacing:0;font-weight:400;font-size:13px;line-height:18px;margin:8px 0}
.reg label.check input{margin-top:2px;flex:none;accent-color:var(--ice-500);width:16px;height:16px}
.reg .btn{justify-self:stretch;margin-top:6px}
.reg-msg{margin:0;min-height:1.2em;font-size:13px;line-height:18px;color:var(--berry-500)}
.confirm-leave{justify-content:space-between;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .cal{grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-2);padding:var(--space-4)}
  .rules{grid-template-columns:1fr}
}
@media (max-width:480px){
  body{font-size:16px;line-height:24px}
  .hero{grid-template-columns:1fr}
  .count{text-align:left;min-width:0}
  .cal{grid-template-columns:repeat(3,minmax(0,1fr));padding:10px}
  .opts{grid-template-columns:1fr}
  .keys{grid-template-columns:repeat(7,minmax(0,1fr))}
  .stage{padding:16px}
  .sheet header .dn{width:46px;height:46px;font-size:23px}
  .sheet header .t{font-size:19px;line-height:24px}
  .ready .rn{font-size:96px}
}
@media (prefers-reduced-motion:reduce){
  .door .face{transition:opacity .3s ease}
  .door.open:hover,.door.open:hover .face,.door.open:focus-visible .face{transform:none}
  .door.opening .face{transform:none!important;opacity:0}
  .door.today .face{animation:none}
  .sheet,.toast,.tiles span,.list .it,.card-face.deal,.result .stars .ico.lit{animation:none}
  .ready .rn{animation:none}
  .shake,.flash-bad,.mine .cell.coal,.timer.danger .tlab,.bump{animation:none}
  .pop{animation:popFade .8s ease-out forwards}
  .slide .tile,.elf,.mem .flipper,.btn,.x,.cell{transition:none}
  #snow{display:none}
}
@keyframes popFade{0%,60%{opacity:1}100%{opacity:0}}

/* ---------- test tools (Development only) ---------- */
.devtools{border-style:dashed}
.devtools:before{background:var(--grad-green-blue)}
.devtools code{font-size:13px;color:var(--accent-text)}
.devgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.devgrid .btn{font-size:13px;line-height:16px;min-height:40px;padding:6px 10px;white-space:normal}
.sheet header .dn .ico{width:26px;height:26px}