:root{--bg: #f6f2ea;--ink: #23211d;--muted: #716b61;--line: #ded5c6;--panel: #fffaf1;--accent: #d94c36;--accent-2: #156f73;--gold: #d9a742;--shadow: 0 22px 70px rgba(34, 29, 22, .18);--sidebar-width: 360px}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);font-family:Microsoft YaHei,PingFang SC,Segoe UI,sans-serif;background:radial-gradient(circle at 18% 14%,rgba(217,167,66,.18),transparent 29%),radial-gradient(circle at 86% 18%,rgba(21,111,115,.14),transparent 31%),linear-gradient(135deg,rgba(255,255,255,.45),transparent 48%),var(--bg);overflow:hidden}button,input,textarea{font:inherit}.app{display:grid;grid-template-columns:var(--sidebar-width) 1fr;min-height:100vh;transition:grid-template-columns .22s ease}.app.collapsed{grid-template-columns:72px 1fr}.sidebar{position:relative;z-index:3;display:flex;flex-direction:column;gap:18px;min-width:0;padding:24px;border-right:1px solid var(--line);background:#fffaf1f0;box-shadow:12px 0 35px #231e170f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:padding .22s ease}.app.collapsed .sidebar{align-items:center;padding:22px 14px}.brand{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.title-block{min-width:0}h1{margin:0;font-size:28px;line-height:1.15;letter-spacing:0}.subtitle{margin-top:8px;color:var(--muted);font-size:14px;line-height:1.5}.icon-button,.spin-button,.plain-button,.add-button{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;color:var(--ink);background:transparent;transition:transform .16s ease,background .16s ease,box-shadow .16s ease}.icon-button{flex:0 0 auto;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:#fff}.icon-button:hover,.plain-button:hover,.add-button:hover{transform:translateY(-1px);box-shadow:0 8px 18px #27221b1a}.icon-button svg{width:21px;height:21px;stroke-width:2.2}.app.collapsed .title-block,.app.collapsed .choices,.app.collapsed .sidebar-footer{display:none}.choices{display:flex;flex:1;min-height:0;flex-direction:column;gap:14px}.choice-input-row{display:grid;grid-template-columns:1fr 46px;gap:10px}.choice-input,.bulk-input{width:100%;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:#ffffffe0;outline:0}.choice-input{height:46px;padding:0 14px}.bulk-input{min-height:104px;resize:vertical;padding:12px 14px;line-height:1.55}.choice-input:focus,.bulk-input:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px #277c7824}.add-button{width:46px;height:46px;border-radius:8px;color:#fff;background:var(--accent-2)}.add-button svg{width:22px;height:22px}.toolbar{display:grid;grid-template-columns:1fr 1fr;gap:10px}.plain-button{min-height:40px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:#ffffffd1;font-size:14px;white-space:nowrap}.option-list{display:flex;min-height:0;flex-direction:column;gap:8px;overflow:auto;padding-right:2px}.option-item{display:grid;grid-template-columns:18px 1fr 32px;align-items:center;gap:10px;min-height:44px;padding:8px 8px 8px 12px;border:1px solid var(--line);border-radius:8px;background:#ffffffdb;box-shadow:0 8px 18px #231e170d}.empty-list{display:grid;min-height:112px;place-items:center;border:1px dashed #cbbfad;border-radius:8px;color:var(--muted);background:#ffffff7a;text-align:center;line-height:1.6}.swatch{width:14px;height:14px;border-radius:50%;box-shadow:inset 0 0 0 1px #00000014}.option-text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}.remove-button{width:32px;height:32px;border:0;border-radius:8px;color:#8a3b32;background:transparent;cursor:pointer}.remove-button:hover{background:#f8e9e4}.sidebar-footer{color:var(--muted);font-size:13px;line-height:1.45}.stage{position:relative;display:grid;grid-template-rows:auto 1fr auto;min-width:0;min-height:100vh;padding:28px clamp(18px,4vw,54px);overflow:hidden}.topbar{display:flex;align-items:center;justify-content:flex-end;min-height:42px;color:var(--muted);font-size:14px}.wheel-wrap{display:grid;place-items:center;min-height:0}.wheel-shell{position:relative;width:min(72vh,72vw,680px);min-width:310px;aspect-ratio:1;display:grid;place-items:center}.wheel-shell:before{content:"";position:absolute;inset:-26px;border-radius:50%;background:conic-gradient(from 18deg,#d9a7422e,#156f731a,#d94c3624,#d9a7422e);filter:blur(8px);opacity:.82}.wheel-shell:after{content:"";position:absolute;inset:-12px;border:1px solid rgba(255,255,255,.78);border-radius:50%;box-shadow:inset 0 0 0 1px #d9a74238;pointer-events:none}.pointer{position:absolute;top:-14px;left:50%;z-index:2;width:0;height:0;transform:translate(-50%);border-left:25px solid transparent;border-right:25px solid transparent;border-top:50px solid var(--gold);filter:drop-shadow(0 8px 10px rgba(61,38,30,.28))}.wheel{position:relative;z-index:1;width:100%;height:100%;border-radius:50%;background:#fff8ee;box-shadow:var(--shadow),inset 0 0 0 10px #ffffffeb,inset 0 0 0 18px #d9a74238,inset 0 0 42px #231e171f;transition:transform 5.2s cubic-bezier(.12,.78,.13,1)}.wheel-center{position:absolute;z-index:2;display:grid;place-items:center;width:31%;aspect-ratio:1;border:10px solid rgba(255,255,255,.95);border-radius:50%;background:radial-gradient(circle at 35% 28%,#fffdf8,#f7ead5 72%),var(--panel);box-shadow:0 16px 42px #231e173d;text-align:center}.spin-button{width:78%;aspect-ratio:1;border-radius:50%;color:#fff;background:radial-gradient(circle at 38% 28%,#f07b61,var(--accent) 68%),var(--accent);box-shadow:inset 0 -8px #00000024,0 12px 24px #d94c3642;font-size:clamp(18px,3vw,30px);font-weight:800;letter-spacing:0}.spin-button:hover{transform:translateY(-2px)}.spin-button:disabled{cursor:not-allowed;opacity:.62;transform:none}.result{display:flex;align-items:center;justify-content:center;min-height:86px;padding:16px;text-align:center}.result-label{margin-right:10px;color:var(--muted);font-size:15px}.result-value{max-width:min(760px,72vw);overflow-wrap:anywhere;font-size:clamp(28px,5vw,54px);font-weight:900;line-height:1.05}.toast{position:fixed;left:50%;bottom:28px;z-index:5;transform:translate(-50%,20px);padding:12px 16px;border-radius:8px;color:#fff;background:#201e1be0;opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease}.toast.show{opacity:1;transform:translate(-50%)}@media(max-width:820px){body{overflow:auto}.app,.app.collapsed{grid-template-columns:1fr}.sidebar{min-height:auto;max-height:48vh;border-right:0;border-bottom:1px solid var(--line)}.app.collapsed .sidebar{max-height:74px;align-items:stretch}.app.collapsed .brand{justify-content:center}.stage{min-height:calc(100vh - 74px);padding:18px}.topbar{justify-content:center}.wheel-shell{width:min(86vw,560px);min-width:280px}.result{flex-direction:column;gap:8px}.result-label{margin-right:0}.result-value{max-width:90vw}}