:root{--bg:#0f172a;--panel:#111827;--panel-2:#1f2937;--text:#e5e7eb;--muted:#94a3b8;--accent:#22c55e;--danger:#ef4444;--border:#334155}*{box-sizing:border-box}body{background:linear-gradient(180deg, #020617, var(--bg));color:var(--text);min-height:100vh;margin:0;font-family:Arial,sans-serif}.app{grid-template-columns:340px 1fr;gap:24px;max-width:1100px;margin:0 auto;padding:24px;display:grid}.panel{border:1px solid var(--border);background:#111827f2;border-radius:16px;padding:20px;box-shadow:0 10px 30px #00000040}h1{margin-top:0;margin-bottom:8px;font-size:28px}.sub{color:var(--muted);margin-bottom:20px;line-height:1.5}label{color:var(--muted);margin-bottom:8px;font-size:14px;display:block}textarea{resize:vertical;background:var(--panel-2);border:1px solid var(--border);width:100%;min-height:220px;color:var(--text);line-height:1.5;font:inherit;border-radius:12px;padding:12px}.buttons{flex-wrap:wrap;gap:12px;width:100%;margin-top:18px;display:flex}.buttons .icon-btn{margin-left:auto}button{font:inherit;cursor:pointer;border:0;border-radius:999px;padding:12px 18px;transition:transform .15s,opacity .15s}button:hover{transform:translateY(-1px)}button:disabled{cursor:not-allowed;opacity:.6;transform:none}.primary{background:var(--accent);color:#052e16;font-weight:700}.secondary{color:var(--text);background:#334155}.icon-btn{min-width:48px;padding:12px 0;font-size:20px;line-height:1}.icon-btn[aria-pressed=true]{background:#1e293b;box-shadow:inset 0 0 0 1px #64748b}.danger{background:var(--danger);color:#fff}.wheel-wrap{flex-direction:column;justify-content:center;align-items:center;min-height:100%;display:flex}.pointer{clip-path:polygon(0 50%,100% 8%,100% 92%);z-index:3;filter:drop-shadow(0 6px 10px #0f172a47);background:#94a3b8;width:36px;height:30px;position:absolute;top:50%;right:-8px;transform:translateY(-50%)}.pointer:before{content:"";clip-path:polygon(0 50%,100% 8%,100% 92%);background:linear-gradient(#f8fafc 0%,#dbe4ef 100%);border-radius:4px;position:absolute;inset:2px 2px 2px 3px}.wheel-box{width:min(70vw,520px);max-width:520px;height:min(70vw,520px);max-height:520px;position:relative}canvas{cursor:pointer;background:#fff;border-radius:50%;width:100%;height:100%;display:block}.result{text-align:center;min-height:32px;margin-top:20px;font-size:22px;font-weight:700}.hint{text-align:center;color:var(--muted);max-width:460px;margin-top:8px;font-size:14px;line-height:1.5}.toast{color:#f8fafc;letter-spacing:.01em;opacity:0;pointer-events:none;z-index:20;background:#0f172aeb;border:1px solid #94a3b866;border-radius:999px;padding:10px 16px;font-size:14px;font-weight:600;transition:opacity .22s,transform .22s;position:fixed;bottom:20px;left:50%;transform:translate(-50%,20px);box-shadow:0 12px 28px #0206176b}.toast.visible{opacity:1;transform:translate(-50%)}@media (width<=900px){.app{grid-template-columns:1fr}.wheel-box{width:min(85vw,460px);height:min(85vw,460px)}}