:root {
  --bg:#0f172a; --card:#111827; --accent:#10b981; --accent2:#f97316;
  --text:#e5e7eb; --muted:#9ca3af; --danger:#ef4444; --ready:#22c55e;
  --shadow:0 12px 50px rgba(0,0,0,0.35);
}
*{box-sizing:border-box;}
body{margin:0;font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;}
.bg-gradient{background:radial-gradient(circle at 20% 20%, #1e293b, #0b1224 45%, #050914);}
h1,h2,h3{margin:0 0 10px;}
.muted{color:var(--muted);}
.page{padding:24px;}
.card-hero{max-width:520px;margin:30px auto;background:rgba(17,24,39,0.85);border:1px solid #1f2937;border-radius:16px;box-shadow:var(--shadow);}
.form-stack{display:flex;flex-direction:column;gap:8px;}
input[type="text"],input[type="number"]{padding:10px 12px;border-radius:10px;border:1px solid #1f2937;background:#0b1220;color:#e5e7eb;}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;}
.card{background:var(--card);border-radius:12px;padding:12px;box-shadow:var(--shadow);text-align:center;border:1px solid #1f2937;}
.glass{background:rgba(255,255,255,0.06);backdrop-filter:blur(6px);}
.pill{padding:8px 12px;border-radius:999px;color:#fff;font-weight:700;display:inline-block;}
.ready{background:var(--ready);} .notready{background:var(--danger);}
button{padding:12px 16px;font-size:16px;border-radius:10px;border:none;cursor:pointer;font-weight:700;transition:transform .05s ease,box-shadow .1s ease,opacity .1s ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent;}
button:active{transform:scale(0.98);} button:disabled{opacity:.5;cursor:not-allowed;}
.primary{background:var(--accent);color:#0b121f;} .secondary{background:#1f2937;color:var(--text);}
.big{width:100%;padding:16px;font-size:20px;}

.fullscreen{width:100vw;height:100vh;position:relative;overflow:hidden;background:#ffffff;}
#centerText{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:6;display:flex;flex-direction:column;align-items:center;gap:6px;}
#levelInfo{font-size:42px;font-weight:900;color:#111827;text-shadow:0 2px 12px rgba(255,255,255,0.7);}
#comboMsg{font-size:30px;font-weight:800;color:#ef4444;}
#winnerMsg{font-size:28px;font-weight:800;color:#16a34a;}

#ruleCard{position:absolute;left:20px;top:20px;background:rgba(255,255,255,0.95);border:1px solid #e5e7eb;border-radius:12px;padding:12px 14px;box-shadow:var(--shadow);z-index:7;min-width:260px;}
#ruleTitle{font-weight:800;color:#0f172a;font-size:16px;}
#ruleText{color:#111827;font-size:15px;margin-top:4px;}
#timeSmall{color:#334155;font-size:13px;margin-top:6px;}

#scoresBox{position:absolute;right:20px;top:20px;background:rgba(255,255,255,0.9);border:1px solid #e5e7eb;border-radius:12px;padding:10px 12px;color:#111827;min-width:220px;box-shadow:var(--shadow);z-index:6;}
.box-title{font-weight:800;margin-bottom:6px;}
.score-line{display:flex;justify-content:space-between;gap:8px;margin:2px 0;}

#countBox{position:absolute;right:20px;bottom:20px;background:rgba(15,23,42,0.9);color:#e5e7eb;border:1px solid #1f2937;border-radius:12px;padding:10px;min-width:200px;box-shadow:var(--shadow);z-index:7;display:none;}
.count-icons{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;}
.icon-img{width:48px;height:48px;background-size:contain;background-repeat:no-repeat;background-position:center;border-radius:8px;background-color:rgba(255,255,255,0.08);}
.icon-emoji{width:48px;height:48px;font-size:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:rgba(255,255,255,0.08);}

#board{position:absolute;inset:0;overflow:hidden;background:transparent;}
#isoCanvas{position:absolute;inset:0;display:none;z-index:2;}
#progressWrap{position:absolute;left:0;right:0;top:0;height:10px;background:rgba(0,0,0,0.05);z-index:7;}
#progressBar{height:100%;width:100%;background:linear-gradient(90deg,#22c55e,#f97316);transform-origin:left center;transition:width .2s linear;}

.entity{position:absolute;width:72px;height:72px;background-size:contain;background-repeat:no-repeat;background-position:center;transform-origin:center;}
.entity.move{animation:float 4s ease-in-out infinite alternate;}
.entity.moveSmooth{animation:drift 6s ease-in-out infinite alternate;}
.entity.blink{animation:blink 0.8s steps(1) infinite;}
.entity.pop{animation:pop 1.2s ease-in-out infinite;}
.entity.emoji{background:none !important;font-size:54px;line-height:72px;text-align:center;}
@keyframes float{from{transform:translateY(0) scale(1);}to{transform:translateY(-6px) scale(1.02);}}
@keyframes blink{0%,50%{opacity:1;}50.1%,100%{opacity:0.2;}}
@keyframes pop{0%,100%{transform:scale(0.9);}50%{transform:scale(1.05);}}
@keyframes drift{from{transform:translate(0,0);}to{transform:translate(12px,-10px);}}

.entity.reveal{animation:bounce 0.45s ease;}
@keyframes bounce{0%{transform:translateY(0) scale(1);}40%{transform:translateY(-10px) scale(1.05);}100%{transform:translateY(0) scale(1);}}
.entity.bounceCount{animation:bounceCount 0.5s ease;}
@keyframes bounceCount{0%{transform:scale(1);}40%{transform:scale(1.12);}100%{transform:scale(1);}}
.entity-badge{position:absolute;top:-10px;right:-10px;background:#22c55e;color:#fff;border-radius:12px;font-size:14px;font-weight:800;padding:2px 6px;}
#revealAnswer{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:48px;font-weight:900;color:#16a34a;text-shadow:0 3px 12px rgba(0,0,0,0.25);pointer-events:none;z-index:9;opacity:0;transition:opacity .2s ease;}
#revealAnswer.show{opacity:1;}

.controller{max-width:520px;margin:30px auto;padding:20px;text-align:center;}
.controller .info{font-size:15px;color:var(--muted);margin-bottom:12px;}
.controller .pads{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px;}
.controller .pads.digits{grid-template-columns:repeat(2,1fr);}
.controller .pad-btn{padding:18px;font-size:22px;font-weight:800;border-radius:16px;border:none;color:#0b121f;box-shadow:var(--shadow);touch-action:manipulation;}
.pad-digit{background:#0ea5e9;color:#0b1220;}
.pad-digit.active{outline:3px solid #f97316;}
.pad-go{grid-column:span 2;background:linear-gradient(135deg,#f97316,#f59e0b);font-size:26px;}
.pad-btn.disabled{opacity:0.45;filter:grayscale(0.4);pointer-events:none;}
.answer-box{margin-top:16px;font-size:28px;font-weight:800;color:#ffffff;}

.lobby-link{font-size:12px;word-break:break-all;color:var(--muted);}
.confetti-piece{position:absolute;width:8px;height:14px;background:red;opacity:0.9;transform:rotate(15deg);animation:fall 1.2s linear forwards;z-index:8;}
@keyframes fall{from{transform:translateY(-20px) rotate(0deg);opacity:1;}to{transform:translateY(120vh) rotate(360deg);opacity:0;}}
#gameOver{position:absolute;inset:0;background:rgba(15,23,42,0.88);display:none;align-items:center;justify-content:center;flex-direction:column;color:#e5e7eb;z-index:9;text-align:center;padding:20px;}
#gameOver button{margin-top:14px;}
.challenge{margin:6px 0;text-align:left;max-width:320px;}