:root{--bg: #0d1117;--surface: #161b22;--surface-raised: #1c2028;--border: #2a2f3a;--text: #e6edf3;--text-dim: #8b949e;--accent: #d4e83a;--accent-hover: #e4f857;--accent-dim: #8a9a28;--danger: #f85149;--success: #3fb950}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px}.scroll-y{overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent}fieldset.card{background:var(--surface-raised);border:1px solid var(--border);border-radius:8px;padding:.9rem;margin:0;display:flex;flex-direction:column;gap:.7rem}fieldset.card>legend{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);padding:0 .4rem}button{background:var(--accent);color:#0b0f14;font-weight:700;border:1px solid var(--accent);border-radius:6px;padding:.5rem .9rem;cursor:pointer;font-family:inherit;font-size:.85rem;transition:filter .15s ease,background .15s ease}button:hover:not(:disabled){background:var(--accent-hover);filter:brightness(1.05)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}button.secondary:hover:not(:disabled){background:var(--surface-raised)}select,input[type=text],input[type=number]{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.35rem .5rem;font-family:inherit;font-size:.85rem}input[type=number]{-moz-appearance:textfield;appearance:textfield}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;background:transparent;height:18px;margin:0}input[type=range]::-webkit-slider-runnable-track{height:4px;background:var(--surface);border:1px solid var(--border);border-radius:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent);border:none;margin-top:-7px;cursor:pointer;transition:box-shadow .15s ease,background .15s ease}input[type=range]:hover::-webkit-slider-thumb{background:var(--accent-hover);box-shadow:0 0 10px #d4e83a99}input[type=range]::-moz-range-track{height:4px;background:var(--surface);border:1px solid var(--border);border-radius:4px}input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent);border:none;cursor:pointer}input[type=range]:hover::-moz-range-thumb{background:var(--accent-hover);box-shadow:0 0 10px #d4e83a99}input[type=range]:disabled{opacity:.5}