:root{--bg: #e8f1f6;--bg-deep: #c5dce8;--ink: #143246;--muted: #4a6a7d;--card: #fffdf8;--accent: #1a4d6d;--accent-bright: #2f7ea3;--sun: #f0a45c;--sun-deep: #d9842e;--ok: #2f8f6b;--danger: #b33b3b;--shadow: 0 12px 40px rgba(20, 50, 70, .12);--font: "Nunito", system-ui, sans-serif;--radius: 18px}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:radial-gradient(1200px 600px at 10% -10%,#fff7e8 0%,transparent 55%),radial-gradient(900px 500px at 100% 0%,#d7ebf5 0%,transparent 50%),linear-gradient(165deg,var(--bg),var(--bg-deep))}button,input{font:inherit}.app{min-height:100vh;padding:24px 16px 40px}.setup{max-width:720px;margin:0 auto}.setup-hero{text-align:center;margin-bottom:28px}.brand{display:inline-block;margin:0 0 10px;padding:6px 14px;border-radius:999px;background:#1a4d6d1a;color:var(--accent);font-weight:800;letter-spacing:.02em}.setup-hero h1{margin:0 0 10px;font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15}.lede{margin:0 auto;max-width:36rem;color:var(--muted);font-size:1.05rem}.setup-panel{background:var(--card);border-radius:calc(var(--radius) + 6px);box-shadow:var(--shadow);padding:22px;display:grid;gap:18px}.dropzone{min-height:220px;border:2px dashed rgba(26,77,109,.35);border-radius:var(--radius);background:#1a4d6d0a;color:var(--muted);cursor:pointer;display:grid;place-items:center;text-align:center;padding:16px;transition:border-color .15s,background .15s,transform .15s}.dropzone:hover,.dropzone.drag{border-color:var(--accent-bright);background:#2f7ea314;transform:translateY(-1px)}.dropzone.has-image{border-style:solid;padding:0;overflow:hidden}.preview{width:100%;height:260px;object-fit:cover;display:block}.sample-btn{border:1px dashed rgba(26,77,109,.35);background:#7ec8e333;color:var(--accent);font-weight:800;border-radius:12px;padding:10px 14px;cursor:pointer}.sample-btn:hover{background:#7ec8e359}.field{display:grid;gap:10px}.field-label .muted{color:var(--muted);font-weight:600}input[type=range]{width:100%;accent-color:var(--accent-bright)}.presets{display:flex;flex-wrap:wrap;gap:8px}.presets button{border:1px solid rgba(26,77,109,.18);background:#fff;color:var(--ink);border-radius:999px;padding:6px 12px;font-weight:700;cursor:pointer}.presets button.active,.presets button:hover{background:var(--accent);border-color:var(--accent);color:#fff}.hint-warn{margin:0;padding:10px 12px;border-radius:12px;background:#f0a45c2e;color:#7a4a12;font-weight:700}.error{margin:0;color:var(--danger);font-weight:700}.cta{border:0;border-radius:14px;background:linear-gradient(180deg,var(--sun),var(--sun-deep));color:#2a1704;font-weight:800;font-size:1.1rem;padding:14px 18px;cursor:pointer;box-shadow:0 8px 20px #d9842e47}.cta:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.cta:not(:disabled):hover{filter:brightness(1.05)}.privacy{margin:0;text-align:center;color:var(--muted);font-size:.92rem}.game{max-width:1100px;margin:0 auto;position:relative}.game-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;margin-bottom:16px}.ghost{border:1px solid rgba(26,77,109,.2);background:#fffdf8d9;color:var(--accent);font-weight:800;border-radius:12px;padding:10px 14px;cursor:pointer}.ghost:hover{background:#fff}.progress{flex:1;min-width:160px;display:grid;gap:6px;font-weight:800;text-align:center}.progress-track{height:10px;border-radius:999px;background:#1a4d6d1f;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--ok),#56c49a);transition:width .2s ease}.play-area{display:grid;gap:16px;justify-items:center}.board-grid{display:grid;background:#14324614;border-radius:12px;overflow:visible;box-shadow:var(--shadow);touch-action:none}.slot{position:relative;overflow:visible;background:transparent}.slot-ghost{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:0;pointer-events:none;overflow:visible}.slot-ghost-outline{stroke:#1a4d6d47;stroke-width:1.4}.slot.correct .slot-ghost{opacity:0}.piece-svg{display:block;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;filter:drop-shadow(0 1px 1px rgba(0,0,0,.2));overflow:visible}.piece-svg.on-board{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:1}.piece-svg.locked{cursor:default;z-index:2;filter:drop-shadow(0 0 0 transparent)}.piece-svg.locked .piece-outline{stroke:#2f8f6b40;stroke-width:1}.piece-outline{stroke:#141e2859;stroke-width:1.25;pointer-events:none}.piece-svg.dragging{position:fixed;z-index:50;pointer-events:none;cursor:grabbing;filter:drop-shadow(0 14px 22px rgba(0,0,0,.35))}.tray{width:min(100%,900px);min-height:120px;max-height:240px;overflow:auto;display:flex;flex-wrap:wrap;gap:10px;align-content:flex-start;padding:14px;border-radius:var(--radius);background:#fffdf8e6;box-shadow:var(--shadow);touch-action:none}.piece-svg.tray-piece{flex:0 0 auto}.tray-ghost{flex:0 0 auto;border-radius:8px;background:#1a4d6d14}.win-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a182473;display:grid;place-items:center;padding:20px;z-index:60;animation:fade-in .25s ease}.win-card{background:var(--card);border-radius:22px;padding:28px 24px;text-align:center;box-shadow:var(--shadow);max-width:360px;width:100%;animation:pop .35s cubic-bezier(.2,1.2,.3,1)}.win-card h2{margin:0 0 8px;font-size:2rem}.win-card p{margin:0 0 18px;color:var(--muted);font-weight:700}.win-actions{display:grid;gap:10px}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes pop{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}@media(max-width:640px){.app{padding:14px 10px 28px}.setup-panel{padding:14px}.game-bar{justify-content:center}}