*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f0f0f;--bg2: #1a1a1a;--bg3: #242424;--border: rgba(255,255,255,.1);--text: #f0f0f0;--text2: #999;--text3: #555;--accent: #3b82f6;--accent-dim: rgba(59,130,246,.15);--green: #22c55e;--green-dim: rgba(34,197,94,.15);--red: #ef4444;--red-dim: rgba(239,68,68,.15);--radius: 12px;--radius-sm: 8px}body{background:var(--bg);color:var(--text);font-family:DM Sans,-apple-system,sans-serif;min-height:100dvh;display:flex;justify-content:center}#root{width:100%;max-width:480px;padding:1.25rem 1rem 5rem}h1{font-size:22px;font-weight:600}h2{font-size:16px;font-weight:500;color:var(--text2)}.header{text-align:center;padding:1.5rem 0 1.25rem;border-bottom:1px solid var(--border);margin-bottom:1.25rem}.device-tag{display:inline-block;margin-top:8px;font-size:11px;color:var(--text3);background:var(--bg3);padding:3px 10px;border-radius:99px;letter-spacing:.05em}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:1.25rem}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.stat-label{font-size:12px;color:var(--text2);margin-bottom:6px}.stat-value{font-size:28px;font-weight:600;line-height:1}.stat-sub{font-size:11px;color:var(--text3);margin-top:4px}.streak-glow{color:#fb923c}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1.25rem}.card-title{font-size:13px;color:var(--text2);margin-bottom:12px;font-weight:500;letter-spacing:.04em;text-transform:uppercase}.range-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.field label{display:block;font-size:12px;color:var(--text2);margin-bottom:6px}input[type=number]{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:15px;padding:10px 12px;outline:none;transition:border-color .15s;-moz-appearance:textfield}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}input[type=number]:focus{border-color:var(--accent)}.roll-btn{width:100%;padding:16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:17px;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s;letter-spacing:.01em}.roll-btn:active{opacity:.8;transform:scale(.98)}.result-box{text-align:center;padding:2rem 1.25rem;margin-bottom:1.25rem;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);min-height:130px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}.result-number{font-size:72px;font-weight:700;line-height:1;letter-spacing:-2px}.result-number.pop{animation:pop .35s cubic-bezier(.34,1.56,.64,1)}@keyframes pop{0%{transform:scale(.6);opacity:.2}to{transform:scale(1);opacity:1}}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:99px;font-size:14px;font-weight:500}.badge-win{background:var(--green-dim);color:var(--green)}.badge-loss{background:var(--red-dim);color:var(--red)}.badge-neutral{background:var(--bg3);color:var(--text2)}.result-hint{font-size:13px;color:var(--text3)}.chart-btn{width:100%;padding:12px;background:transparent;border:1px solid var(--border);border-radius:var(--radius);color:var(--text2);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:1.25rem;transition:background .15s,color .15s}.chart-btn:hover{background:var(--bg3);color:var(--text)}.chart-btn svg{width:18px;height:18px}.chart-wrap{position:relative;width:100%;height:210px;margin-top:4px}.history-list{display:flex;flex-direction:column;gap:6px;max-height:220px;overflow-y:auto}.history-item{display:grid;grid-template-columns:10px 1fr auto auto;align-items:center;gap:10px;padding:8px 10px;background:var(--bg3);border-radius:var(--radius-sm);font-size:13px}.dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.dot-win{background:var(--green)}.dot-loss{background:var(--red)}.dot-ng{background:var(--text3)}.h-num{font-weight:600;font-size:15px}.h-meta{color:var(--text2);font-size:12px}.h-date{color:var(--text3);font-size:11px}.empty{text-align:center;padding:1.5rem;color:var(--text3);font-size:13px}.clear-btn{width:100%;padding:10px;margin-top:1.25rem;background:transparent;border:1px solid var(--border);border-radius:var(--radius);color:var(--text3);font-size:13px;cursor:pointer;transition:background .15s,color .15s}.clear-btn:hover{background:var(--red-dim);color:var(--red);border-color:var(--red)}.history-list::-webkit-scrollbar{width:4px}.history-list::-webkit-scrollbar-track{background:transparent}.history-list::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:99px}