/* Math Forge — "scrap-yard workshop" theme. Dark steel + forge-orange glow +
 * electric-cyan energy. Build a robot by solving math. Mobile-first, animated.
 */
:root{
  --bg1:#161a21; --bg2:#0e1117; --panel:#1c222c; --panel2:#232b37; --line:#33404f;
  --ink:#e7eef6; --muted:#8fa1b5;
  --steel:#7d8a99; --steel-d:#3a4654; --steel-lt:#aab6c4;
  --gold:#f6b73c; --gold-d:#b97e10; --goldglow:rgba(246,183,60,.6);
  --forge:#ff7a1a; --forge-d:#c95400; --forgeglow:rgba(255,122,26,.5);
  --energy:#2fe6e0; --energy-d:#0f9a96; --energyglow:rgba(47,230,224,.6);
  --good:#5fe08a; --bad:#ff6b7a;
  --disp:'Orbitron',system-ui,sans-serif; --body:'Rubik',system-ui,sans-serif; --mono:'JetBrains Mono',monospace;
  --topbar-h:50px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:var(--body);color:var(--ink);-webkit-font-smoothing:antialiased}
body{
  background:
    radial-gradient(120% 80% at 50% -20%, #20262f 0%, transparent 55%),
    radial-gradient(80% 50% at 50% 120%, rgba(255,122,26,.10) 0%, transparent 60%),
    linear-gradient(180deg,var(--bg1),var(--bg2));
  min-height:100dvh;
}
#app{min-height:100dvh;display:flex;flex-direction:column}

/* ---------- top bar ---------- */
.topbar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;
  padding:6px 14px;background:linear-gradient(180deg,rgba(28,34,44,.95),rgba(20,24,32,.85));
  border-bottom:2px solid var(--line);min-height:var(--topbar-h);position:relative;z-index:5}
.tb-logo{height:28px;width:auto;display:block;filter:drop-shadow(0 1px 2px #000)}
.tb-mid{text-align:center}
.tb-title{font-family:var(--disp);font-weight:700;font-size:15px;letter-spacing:.06em;color:var(--forge);text-shadow:0 0 12px var(--forgeglow)}
.tb-sub{font-size:11px;color:var(--muted)}
.tb-timer{font-family:var(--mono);font-weight:700;font-size:18px;color:var(--energy);
  border:1px solid var(--energy-d);border-radius:8px;padding:3px 10px;min-width:60px;text-align:center;font-variant-numeric:tabular-nums}
.tb-right{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.tb-score{font-family:var(--disp);font-weight:700;font-size:15px;color:var(--gold);
  border:1px solid var(--gold-d);border-radius:8px;padding:4px 10px;text-shadow:0 0 8px var(--goldglow);white-space:nowrap}
.tb-score.neg{color:var(--bad);border-color:var(--bad);text-shadow:none}
.tb-score.pop{animation:scorepop .45s ease}
@keyframes scorepop{0%{transform:scale(1)}40%{transform:scale(1.22)}100%{transform:scale(1)}}
.tb-timer.over{color:var(--bad);border-color:var(--bad)}
.fb .stars{font-size:15px;letter-spacing:1px;margin-left:4px}
.tb-back,.tb-garage{font-family:var(--disp);font-weight:600;font-size:12px;color:var(--steel-lt);background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;cursor:pointer}
.tb-back:active,.tb-garage:active{transform:translateY(1px)}

/* ---------- level select ---------- */
.select-wrap{flex:1;display:flex;flex-direction:column;align-items:center;padding:20px 16px 44px;overflow-y:auto}
.brand{font-family:var(--disp);font-weight:900;font-size:30px;letter-spacing:.04em;
  color:var(--ink);text-shadow:0 0 18px var(--forgeglow);display:flex;gap:10px;align-items:center}
.brand .spark{color:var(--forge)}
.brand-tag{color:var(--muted);font-size:14px;margin:6px 0 18px;text-align:center;max-width:440px}
.tier-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:100%;max-width:540px}
.tier-card{display:flex;gap:12px;align-items:center;background:linear-gradient(180deg,var(--panel2),var(--panel));border:2px solid var(--line);border-radius:16px;
  padding:12px;cursor:pointer;box-shadow:0 6px 0 #0c0f14;transition:transform .08s,box-shadow .08s,border-color .15s;text-align:left}
.tier-card:hover{border-color:var(--forge)}
.tier-card:active{transform:translateY(4px);box-shadow:0 2px 0 #0c0f14}
.tier-bot{flex:0 0 auto;width:50px;aspect-ratio:200/244;display:grid;place-items:center}
.tier-bot .mech{width:100%;height:100%}
.tier-info{flex:1;min-width:0}
.tier-no{font-family:var(--disp);font-weight:700;font-size:12px;color:#0e1117;background:var(--forge);border-radius:20px;padding:2px 10px;display:inline-block}
.tier-name{font-family:var(--disp);font-weight:700;font-size:18px;margin:5px 0 2px;color:var(--ink)}
.tier-band{font-size:12px;color:var(--muted)}
.tier-best{font-size:12px;color:var(--gold);font-weight:700;margin-top:6px}

/* ---------- play layout ---------- */
.forge-stage{flex:1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:12px}
@media(min-width:820px){
  .forge-stage{flex-direction:row;align-items:flex-start;justify-content:center;gap:22px;padding:18px}
  .mech-panel,.control-panel{flex:1;max-width:430px}
}

/* mech panel / workbench */
.mech-panel{width:min(440px,94vw);background:radial-gradient(120% 80% at 50% 30%,#222a35,#161b22);
  border:2px solid var(--line);border-radius:18px;padding:12px;display:flex;flex-direction:column;align-items:center;position:relative;overflow:hidden}
.mech-panel::after{content:'';position:absolute;left:0;right:0;bottom:0;height:42px;
  background:linear-gradient(180deg,transparent,rgba(255,122,26,.14));pointer-events:none}
.progress-pips{display:flex;gap:6px;margin-bottom:6px}
.pip{width:22px;height:6px;border-radius:4px;background:#2c3542}
.pip.steel{background:var(--steel)}
.pip.gold{background:var(--gold);box-shadow:0 0 6px var(--goldglow)}
.mech-wrap{width:min(260px,68vw);aspect-ratio:200/244;display:grid;place-items:center;position:relative}
.mech{width:100%;height:100%;overflow:visible}

/* mech part states (colour via currentColor) */
.part{transform-box:fill-box;transform-origin:center}
.part.none{display:none}
.part.steel{color:var(--steel)}
.part.gold{color:var(--gold);filter:drop-shadow(0 0 5px var(--goldglow))}
.metal{fill:currentColor;stroke:var(--steel-d);stroke-width:2;stroke-linejoin:round}
.joint,.hand,.foot{fill:currentColor;stroke:var(--steel-d);stroke-width:2;filter:brightness(.85)}
.vent{fill:var(--steel-d)}
.antenna-stalk{fill:var(--steel-d)}
.antenna-tip{fill:var(--bot-accent,var(--forge));filter:drop-shadow(0 0 5px var(--bot-accent,var(--forgeglow)))}
.core-ring{fill:none;stroke:var(--bot-accent,var(--energy-d));stroke-width:3;opacity:.5}
.core{fill:var(--bot-accent,var(--energy));filter:drop-shadow(0 0 6px var(--bot-accent,var(--energyglow)));animation:core-pulse 1.8s ease-in-out infinite}
.visor{fill:#0c1016}
.eye{fill:#33414f}
@keyframes core-pulse{0%,100%{opacity:.85}50%{opacity:1}}

/* newly welded part slams in */
.part.just-welded{animation:weld-in .55s cubic-bezier(.2,.9,.3,1.3)}
@keyframes weld-in{0%{transform:translateY(-26px) scale(.5);opacity:0}55%{transform:translateY(0) scale(1.14);opacity:1}100%{transform:scale(1)}}

/* awakening */
.mech.awake{animation:stomp .7s ease}
.mech.awake .eye{fill:var(--bot-accent,var(--energy));filter:drop-shadow(0 0 8px var(--bot-accent,var(--energyglow)));animation:eye-on 1.2s ease infinite alternate}
@keyframes eye-on{from{filter:drop-shadow(0 0 4px var(--energyglow))}to{filter:drop-shadow(0 0 12px var(--energyglow))}}
@keyframes stomp{0%{transform:translateY(0)}20%{transform:translateY(-10px)}45%{transform:translateY(0) scaleY(.94) scaleX(1.04)}60%{transform:scaleY(1)}100%{transform:translateY(0)}}

.blueprint{width:100%;text-align:center;margin-top:6px;font-family:var(--disp);font-weight:600;font-size:13px;color:var(--energy);letter-spacing:.04em}
.blueprint b{color:var(--ink)}

/* ---------- control panel ---------- */
.control-panel{width:min(440px,94vw);display:flex;flex-direction:column}
.target-banner{background:linear-gradient(180deg,var(--panel2),var(--panel));border:2px solid var(--forge);border-radius:14px;
  padding:10px 14px;text-align:center;box-shadow:0 0 18px var(--forgeglow)}
.tgt-part{font-family:var(--disp);font-size:12px;color:var(--forge);letter-spacing:.1em;text-transform:uppercase}
.tgt-num{font-family:var(--disp);font-weight:900;font-size:34px;color:var(--ink);line-height:1.05}
.tgt-hint{font-size:12px;color:var(--muted);margin-top:2px}

.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}
.tile{border:none;border-radius:14px;cursor:pointer;font-family:var(--disp);font-weight:700;font-size:clamp(22px,7vw,30px);
  color:var(--ink);padding:16px 0;background:linear-gradient(180deg,#5a6675,#3c4753);
  box-shadow:0 5px 0 #222a33,inset 0 1px 0 rgba(255,255,255,.12);transition:transform .08s,box-shadow .08s,opacity .15s;position:relative}
.tile::before{content:'';position:absolute;inset:5px 5px auto 5px;height:3px;border-radius:3px;background:rgba(255,255,255,.18)}
.tile:active{transform:translateY(3px);box-shadow:0 2px 0 #222a33}
.tile.used{opacity:.3;filter:grayscale(.6);cursor:default;transform:translateY(3px);box-shadow:0 2px 0 #222a33}

.preview{min-height:50px;margin-top:12px;background:#0d1117;border:2px solid var(--line);border-radius:12px;
  display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;
  font-family:var(--mono);font-weight:700;font-size:22px;color:var(--ink);padding:8px 12px;font-variant-numeric:tabular-nums}
.preview .ghost{color:var(--muted);font-weight:400;font-size:14px;font-family:var(--body)}
.preview .eq{color:var(--muted)} .preview .res{color:var(--energy)}

.oppad{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;margin-top:10px}
.opbtn{border:none;border-radius:11px;cursor:pointer;font-family:var(--disp);font-weight:700;font-size:22px;padding:12px 0;color:var(--ink);
  background:linear-gradient(180deg,#46525f,#2d3640);box-shadow:0 4px 0 #1b222a;transition:transform .07s,box-shadow .07s}
.opbtn:active{transform:translateY(3px);box-shadow:0 1px 0 #1b222a}
.opbtn.brk{color:var(--steel-lt)}
.opbtn.back{background:linear-gradient(180deg,#7a3b3b,#5a2a2a);box-shadow:0 4px 0 #3a1c1c}

.actions{display:flex;gap:10px;margin-top:10px}
.actbtn{flex:1;border:none;border-radius:13px;cursor:pointer;font-family:var(--disp);font-weight:700;font-size:17px;padding:14px;transition:transform .07s,box-shadow .07s}
.actbtn.clear{background:#2a323d;color:var(--steel-lt);box-shadow:0 5px 0 #161c23}
.actbtn.hint{flex:0 0 auto;background:#2a323d;color:var(--gold);box-shadow:0 5px 0 #161c23;padding:14px 14px}
.actbtn.giveup{flex:0 0 auto;background:#2a323d;color:#ff9aa5;box-shadow:0 5px 0 #161c23;padding:14px 14px;font-size:15px}
.actbtn.forge{background:linear-gradient(180deg,#ff9442,var(--forge));color:#1a0c00;box-shadow:0 5px 0 var(--forge-d),0 0 16px var(--forgeglow)}
.actbtn:active{transform:translateY(4px);box-shadow:0 1px 0 rgba(0,0,0,.4)}
.actbtn:disabled{opacity:.5;cursor:not-allowed;transform:none}

.feedback{margin-top:12px;min-height:18px}
.fb{border-radius:11px;padding:11px 14px;font-weight:700;font-size:15px;animation:fb-in .3s ease}
.fb.win{background:rgba(95,224,138,.12);border:2px solid var(--good);color:var(--good)}
.fb.gold{background:rgba(246,183,60,.14);border:2px solid var(--gold);color:var(--gold)}
.fb.miss{background:rgba(255,107,122,.1);border:2px solid var(--bad);color:#ff9aa5}
.fb .sub{display:block;margin-top:5px;font-weight:500;font-size:13px;color:var(--muted)}
@keyframes fb-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

.nextrow{display:flex;gap:10px;margin-top:12px}
.nextbtn{flex:1;border:none;border-radius:13px;cursor:pointer;font-family:var(--disp);font-weight:700;font-size:17px;padding:14px;
  background:linear-gradient(180deg,#54f0c0,var(--energy-d));color:#04201f;box-shadow:0 5px 0 #0a5b58}
.nextbtn:active{transform:translateY(4px);box-shadow:0 1px 0 #0a5b58}

/* spark flash overlay on weld */
.flash{position:absolute;inset:0;pointer-events:none;border-radius:18px;opacity:0}
.flash.go{animation:flash .5s ease}
@keyframes flash{0%{opacity:0}30%{opacity:.5;background:radial-gradient(circle at 50% 45%,rgba(255,200,80,.7),transparent 60%)}100%{opacity:0}}

/* ---------- awakening overlay ---------- */
.awaken{position:fixed;inset:0;z-index:30;display:grid;place-items:center;background:rgba(8,10,14,.72);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .4s}
.awaken.show{opacity:1;pointer-events:auto}
.awaken-card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:2px solid var(--gold);border-radius:20px;
  padding:22px;text-align:center;width:min(380px,92vw);box-shadow:0 0 40px var(--goldglow);transform:scale(.85);transition:transform .5s cubic-bezier(.2,.9,.3,1.3)}
.awaken.show .awaken-card{transform:scale(1)}
.awaken-title{font-family:var(--disp);font-weight:900;font-size:24px;color:var(--gold);text-shadow:0 0 16px var(--goldglow)}
.awaken-mech{width:170px;aspect-ratio:200/244;margin:6px auto}
.awaken-rank{font-family:var(--disp);font-weight:900;font-size:26px;color:var(--gold);text-shadow:0 0 16px var(--goldglow);letter-spacing:.04em;margin-top:2px}
.awaken-rating{font-family:var(--disp);font-weight:700;font-size:16px;color:var(--ink);margin:4px 0}
.awaken-rating .gold-n{color:var(--gold);font-size:20px}
.awaken-actions{display:flex;gap:10px;margin-top:14px}
.awaken-actions button{flex:1;border:none;border-radius:12px;cursor:pointer;font-family:var(--disp);font-weight:700;font-size:15px;padding:13px}
.aw-again{background:linear-gradient(180deg,#ff9442,var(--forge));color:#1a0c00;box-shadow:0 4px 0 var(--forge-d)}
.aw-garage{background:#2a323d;color:var(--steel-lt);box-shadow:0 4px 0 #161c23}
.awaken-actions button:active{transform:translateY(3px)}
.bolt{position:fixed;top:-20px;font-size:18px;pointer-events:none;z-index:31;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(540deg);opacity:.2}}

/* ---------- garage ---------- */
.garage-wrap{flex:1;padding:18px 16px 40px;overflow-y:auto}
.garage-title{font-family:var(--disp);font-weight:700;font-size:24px;text-align:center;margin-bottom:4px}
.garage-tag{color:var(--muted);text-align:center;font-size:13px;margin-bottom:16px}
.garage-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;max-width:620px;margin:0 auto}
.garage-cell{position:relative;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:14px;padding:10px;text-align:center}
.gc-count{position:absolute;top:6px;right:8px;font-family:var(--disp);font-weight:700;font-size:12px;color:#0e1117;background:var(--forge);border-radius:20px;padding:2px 8px;box-shadow:0 0 8px var(--forgeglow)}
.garage-cell .mech{width:90px;height:auto;margin:0 auto}
.garage-cell .gc-name{font-family:var(--disp);font-size:12px;color:var(--ink);margin-top:4px}
.garage-cell .gc-gold{font-size:11px;color:var(--gold)}
.garage-empty{color:var(--muted);text-align:center;margin-top:30px}

@media(max-width:380px){.oppad{gap:5px}.opbtn{font-size:19px;padding:10px 0}.tgt-num{font-size:28px}}

/* =========================================================================
   MULTIPLAYER — landing, host Forge Floor, lobby, player views
   ========================================================================= */

/* team-tinted built mech part: inherits colour from the wrapper's `color` */
.part.lit{color:inherit;filter:drop-shadow(0 0 4px currentColor)}

/* status dot */
.netdot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;vertical-align:middle;background:var(--muted)}
.netdot.open{background:var(--good);box-shadow:0 0 6px var(--good)}
.netdot.reconnecting{background:var(--gold);animation:blink 1s infinite}
.netdot.closed{background:var(--bad)}
.netdot.failed{background:var(--bad);box-shadow:0 0 6px var(--bad);animation:none}
@keyframes blink{50%{opacity:.3}}

/* ---------- landing menu ---------- */
.landing{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 18px 40px;text-align:center;overflow-y:auto}
.land-logo{height:42px;width:auto;margin-bottom:14px;filter:drop-shadow(0 2px 4px #000)}
.land-title{font-family:var(--disp);font-weight:900;font-size:clamp(30px,9vw,44px);letter-spacing:.04em;text-shadow:0 0 22px var(--forgeglow);display:flex;gap:12px;align-items:center}
.land-spark{color:var(--forge);animation:spin 7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.land-tag{color:var(--muted);font-size:15px;margin:10px 0 24px;max-width:460px;line-height:1.5}
.land-cards{display:flex;flex-direction:column;gap:14px;width:100%;max-width:440px}
.land-card{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;text-align:left;
  background:linear-gradient(180deg,var(--panel2),var(--panel));border:2px solid var(--line);border-radius:18px;padding:16px 18px;cursor:pointer;
  box-shadow:0 6px 0 #0c0f14;transition:transform .08s,box-shadow .08s,border-color .15s}
.land-card:hover{border-color:var(--forge)}
.land-card:active{transform:translateY(4px);box-shadow:0 2px 0 #0c0f14}
.land-card.host:hover{border-color:var(--energy)} .land-card.join:hover{border-color:var(--gold)}
.lc-emoji{grid-row:1/3;font-size:34px}
.lc-name{font-family:var(--disp);font-weight:700;font-size:20px;color:var(--ink)}
.lc-sub{font-size:13px;color:var(--muted);line-height:1.35}
.land-foot{color:var(--muted);font-size:12px;margin-top:24px;opacity:.7}

/* ---------- host setup ---------- */
.host-setup{flex:1;display:flex;flex-direction:column;align-items:stretch;gap:14px;padding:18px 16px 40px;max-width:480px;margin:0 auto;width:100%;overflow-y:auto}
.hs-h{font-family:var(--disp);font-weight:700;font-size:22px;text-align:center;color:var(--ink)}
.hs-p{color:var(--muted);font-size:13.5px;text-align:center;line-height:1.5;margin-bottom:4px}
.hs-group{display:flex;flex-direction:column;gap:7px}
.hs-label{font-family:var(--disp);font-weight:600;font-size:12px;color:var(--energy);letter-spacing:.06em;text-transform:uppercase}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1;min-width:54px;border:2px solid var(--line);background:var(--panel);color:var(--steel-lt);font-family:var(--disp);font-weight:700;font-size:15px;
  border-radius:12px;padding:12px 8px;cursor:pointer;transition:.12s}
.seg button.on{border-color:var(--forge);background:rgba(255,122,26,.14);color:var(--ink);box-shadow:0 0 12px var(--forgeglow)}
.hs-sel{border:2px solid var(--line);background:var(--panel);color:var(--ink);font-family:var(--body);font-weight:500;font-size:15px;border-radius:12px;padding:13px 12px;width:100%;cursor:pointer}
.hs-go{border:none;border-radius:14px;cursor:pointer;font-family:var(--disp);font-weight:700;font-size:18px;padding:16px;margin-top:8px;
  background:linear-gradient(180deg,#ff9442,var(--forge));color:#1a0c00;box-shadow:0 5px 0 var(--forge-d),0 0 18px var(--forgeglow)}
.hs-go:active{transform:translateY(4px);box-shadow:0 1px 0 var(--forge-d)}
.hs-go:disabled{opacity:.45;cursor:not-allowed;box-shadow:0 5px 0 var(--forge-d);filter:grayscale(.4)}

/* ---------- lobby ---------- */
.lobby{flex:1;display:flex;flex-direction:column;gap:16px;padding:18px 16px 30px;max-width:920px;margin:0 auto;width:100%}
@media(min-width:780px){.lobby{flex-direction:row;align-items:stretch}}
.lobby-join{flex:1;background:radial-gradient(120% 80% at 50% 0%,#222a35,#161b22);border:2px solid var(--energy-d);border-radius:20px;
  padding:20px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 0 24px rgba(47,230,224,.12)}
.join-code-label{color:var(--muted);font-size:14px}
.join-code-label b{color:var(--energy)}
.join-code{font-family:var(--disp);font-weight:900;font-size:clamp(48px,13vw,80px);letter-spacing:.12em;color:var(--ink);text-shadow:0 0 22px var(--energyglow);margin:6px 0 14px}
.join-qr{width:200px;height:200px;border-radius:12px;background:#fff;padding:8px}
.join-link{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:12px;word-break:break-all}
.lobby-roster{flex:1;display:flex;flex-direction:column;background:linear-gradient(180deg,var(--panel2),var(--panel));border:2px solid var(--line);border-radius:20px;padding:16px}
.lr-head{display:flex;justify-content:space-between;align-items:center;font-family:var(--disp);font-weight:700;color:var(--ink);margin-bottom:10px}
.lr-mode{border:1px solid var(--line);background:var(--panel);color:var(--steel-lt);font-family:var(--disp);font-weight:600;font-size:13px;border-radius:10px;padding:7px 11px;cursor:pointer}
.roster{flex:1;display:flex;flex-direction:column;gap:7px;overflow-y:auto;min-height:120px;max-height:46vh;margin-bottom:12px}
.roster-empty{color:var(--muted);text-align:center;padding:30px 0;font-size:14px}
.rp{display:flex;align-items:center;gap:9px;background:#161b22;border:1px solid var(--line);border-radius:10px;padding:9px 11px;animation:fb-in .25s ease}
.rp.off{opacity:.45}
.rp-dot{width:11px;height:11px;border-radius:50%;flex:0 0 auto}
.rp-name{font-weight:700;color:var(--ink);flex:1}
.rp-team{font-family:var(--disp);font-weight:700;font-size:12px}

/* ---------- forge floor (play, host) ---------- */
.floor{flex:1;display:flex;flex-direction:column;gap:14px;padding:14px 14px 0;overflow-y:auto}
@media(min-width:820px){.floor{flex-direction:row;align-items:flex-start}}
.floor-target{flex:0 0 auto;text-align:center;background:radial-gradient(120% 90% at 50% 0%,#26303c,#161b22);border:2px solid var(--forge);
  border-radius:20px;padding:16px 18px;box-shadow:0 0 22px var(--forgeglow)}
@media(min-width:820px){.floor-target{flex:0 0 300px;position:sticky;top:14px}}
.ft-cap{font-family:var(--disp);font-size:12px;color:var(--forge);letter-spacing:.12em;text-transform:uppercase}
.ft-num{font-family:var(--disp);font-weight:900;font-size:clamp(56px,15vw,92px);line-height:1;color:var(--ink);text-shadow:0 0 22px var(--forgeglow)}
.ft-nums{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.ft-chip{font-family:var(--disp);font-weight:700;font-size:22px;color:var(--ink);background:linear-gradient(180deg,#5a6675,#3c4753);border-radius:12px;padding:8px 14px;box-shadow:0 4px 0 #222a33}
.ft-hint{font-size:13px;color:var(--muted);margin-top:10px}
.ft-reveal{min-height:20px;margin-top:8px;font-family:var(--mono);font-size:15px;color:var(--energy)}
.ft-reveal b{color:var(--ink)}

.floor-race{flex:1;width:100%}
.floor-race.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:12px}
.floor-race.flash{animation:floorflash .4s ease}
@keyframes floorflash{0%{filter:brightness(1)}40%{filter:brightness(1.25)}100%{filter:brightness(1)}}
.race-mech{background:linear-gradient(180deg,var(--panel2),var(--panel));border:2px solid var(--line);border-radius:16px;padding:10px 8px;text-align:center;transition:.2s}
.race-mech.done{border-color:var(--good);box-shadow:0 0 16px rgba(95,224,138,.25)}
.rm-bot{width:84px;aspect-ratio:200/244;margin:0 auto}
.rm-bot .mech{width:100%;height:100%}
.rm-name{font-family:var(--disp);font-weight:700;font-size:14px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rm-stat{font-family:var(--mono);font-weight:700;font-size:14px;color:var(--muted)}
.race-mech.done .rm-stat{color:var(--good)}
.floor-race.list{display:flex;flex-direction:column;gap:6px}
.rank-row{display:grid;grid-template-columns:auto 1fr auto auto;gap:10px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.rank-row.done{border-color:var(--good)}
.rk-no{font-family:var(--disp);font-weight:700;color:var(--muted);min-width:20px}
.rk-name{font-weight:700;color:var(--ink)}
.rk-tot{font-family:var(--mono);color:var(--muted)}
.rk-now{font-family:var(--mono);font-weight:700;color:var(--good);min-width:34px;text-align:right}

.floor-bar{position:sticky;bottom:0;background:linear-gradient(180deg,rgba(20,24,32,.6),rgba(14,17,23,.96));border-top:2px solid var(--line);
  padding:10px 14px;display:flex;flex-direction:column;gap:8px;backdrop-filter:blur(4px)}
.solve-feed{display:flex;gap:14px;flex-wrap:wrap;min-height:18px;justify-content:center}
.feed-item{font-size:13px;color:var(--muted)} .feed-item b{color:var(--energy)}
.floor-actions{display:flex;gap:10px}
.fa-reveal,.fa-calltime{flex:1;border:none;border-radius:13px;cursor:pointer;font-family:var(--disp);font-weight:700;font-size:16px;padding:14px}
.fa-reveal{background:#2a323d;color:var(--gold);box-shadow:0 4px 0 #161c23}
.fa-calltime{background:linear-gradient(180deg,#ff9442,var(--forge));color:#1a0c00;box-shadow:0 4px 0 var(--forge-d)}
.fa-reveal:active,.fa-calltime:active{transform:translateY(3px)}

/* ---------- round end / standings (shared host+player) ---------- */
.roundend,.result{flex:1;display:flex;flex-direction:column;gap:14px;padding:18px 16px 40px;max-width:480px;margin:0 auto;width:100%;overflow-y:auto}
.re-card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:2px solid var(--line);border-radius:16px;padding:14px 16px}
.re-h{font-family:var(--disp);font-weight:700;font-size:17px;color:var(--ink);margin-bottom:10px;display:flex;justify-content:space-between;align-items:baseline}
.re-sub{font-family:var(--body);font-weight:400;font-size:12px;color:var(--muted)}
.re-rows{display:flex;flex-direction:column;gap:6px}
.re-row{display:grid;grid-template-columns:auto auto 1fr auto;gap:10px;align-items:center;background:#161b22;border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.re-row.me{border-color:var(--energy);background:rgba(47,230,224,.08)}
.re-row.first{border-color:var(--gold)}
.re-rk{font-family:var(--disp);font-weight:700;color:var(--muted);min-width:18px}
.re-dot{width:10px;height:10px;border-radius:50%}
.re-name{font-weight:700;color:var(--ink)}
.re-sec{font-family:var(--mono);font-weight:700;color:var(--energy)}
.re-sec.maxed{color:var(--bad)}
.re-answer{margin-top:10px;font-family:var(--mono);font-size:14px;color:var(--muted);text-align:center}
.re-answer b{color:var(--gold)}

/* ---------- podium (host) ---------- */
.podium{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 16px 40px;max-width:440px;margin:0 auto;width:100%;text-align:center}
.pod-bot{width:160px;aspect-ratio:200/244}
.pod-bot .mech{width:100%;height:100%}
.pod-win{font-family:var(--disp);font-weight:900;font-size:26px;color:var(--gold);text-shadow:0 0 16px var(--goldglow)}
.pod-sub{color:var(--muted);font-size:14px;margin-bottom:6px}
.pod-board{width:100%;display:flex;flex-direction:column;gap:6px;margin-top:6px}
.pod-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;background:#161b22;border:1px solid var(--line);border-radius:10px;padding:11px 14px}
.pod-row.first{border-color:var(--gold);background:rgba(246,183,60,.1)}
.pod-rk{font-family:var(--disp);font-weight:700;color:var(--muted)}
.pod-name{font-weight:700;color:var(--ink);text-align:left}
.pod-tot{font-family:var(--mono);font-weight:700;color:var(--energy)}
.pod-actions{display:flex;gap:10px;width:100%;margin-top:14px}
.pod-actions .hs-go{flex:1;margin-top:0}
.pod-actions .aw-garage{flex:0 0 auto;padding:16px 18px;border-radius:14px}

/* ---------- join form (player) ---------- */
.joinform{flex:1;display:flex;flex-direction:column;align-items:stretch;gap:8px;padding:24px 20px;max-width:380px;margin:0 auto;width:100%}
.jf-emoji{font-size:48px;text-align:center;margin-bottom:6px}
.jf-label{font-family:var(--disp);font-weight:600;font-size:12px;color:var(--energy);letter-spacing:.06em;text-transform:uppercase;margin-top:8px}
.jf-input{border:2px solid var(--line);background:var(--panel);color:var(--ink);font-family:var(--body);font-weight:600;font-size:18px;border-radius:12px;padding:14px 14px;width:100%}
.jf-input:focus{outline:none;border-color:var(--forge)}
.jf-input.code{font-family:var(--disp);font-weight:900;font-size:30px;letter-spacing:.3em;text-align:center;text-transform:uppercase}
.jf-err{color:#ff9aa5;font-size:13px;text-align:center;margin-top:4px}
.joinform .hs-go{margin-top:14px}

/* ---------- waitroom (player lobby) ---------- */
.waitroom{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center}
.wr-emoji{font-size:54px;animation:spin 7s linear infinite}
.wr-you{font-size:20px;color:var(--ink)}
.wr-team{margin:4px 0}
.wr-teambadge{display:inline-block;font-family:var(--disp);font-weight:700;font-size:16px;color:#0e1117;border-radius:20px;padding:6px 16px}
.wr-teambadge.solo{background:var(--steel);color:#0e1117}
.wr-count{color:var(--muted);font-size:14px}
.wr-tip{color:var(--muted);font-size:13.5px;max-width:340px;line-height:1.5;margin-top:14px}

/* ---------- player play ---------- */
.play-solo{flex:1;display:flex;flex-direction:column;padding:12px 12px 24px;max-width:460px;margin:0 auto;width:100%}
.play-partline{text-align:center;font-family:var(--disp);font-weight:600;font-size:14px;color:var(--energy);margin-bottom:8px}
.play-partline b{color:var(--ink)}
.pp-dot{display:inline-block;width:10px;height:10px;border-radius:50%;vertical-align:middle;margin-right:4px}
.play-solo .control-panel{width:100%}
.control-panel.locked .tiles,.control-panel.locked .oppad,.control-panel.locked .actbtn.forge{opacity:.5;pointer-events:none}
.actbtn.forge.pulse{animation:fpulse .4s ease}
@keyframes fpulse{0%{transform:scale(1)}40%{transform:scale(1.06)}100%{transform:scale(1)}}

/* ---------- player result / ended ---------- */
.res-you{font-family:var(--disp);font-weight:700;font-size:22px;text-align:center;color:var(--ink)}
.res-you.good{color:var(--good)} .res-you.miss{color:var(--bad)}
.res-rank{text-align:center;color:var(--muted);font-size:14px;margin-bottom:4px}
.res-wait{text-align:center;color:var(--muted);font-size:14px;margin-top:6px}
.ended-emoji{font-size:54px;text-align:center}