.card{background:var(--card);border-radius:var(--radius);box-shadow:0 1px 6px #00000012;padding:16px;margin-bottom:16px}.card-title{font-size:11px;font-weight:700;color:var(--sub);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.picker-grid{display:grid;grid-template-columns:220px 1fr;gap:16px}.picker-left{display:flex;flex-direction:column}.sv-wrap{position:relative;width:100%;flex:1;min-height:160px;border-radius:10px;overflow:hidden;cursor:crosshair;user-select:none}#svCanvas{width:100%;height:100%;display:block}.sv-dot{position:absolute;width:16px;height:16px;border-radius:50%;border:2.5px solid #fff;box-shadow:0 0 0 1.5px #00000040,0 2px 6px #0000004d;transform:translate(-50%,-50%);pointer-events:none}.sl-wrap{position:relative;height:28px;margin-top:10px;cursor:pointer;user-select:none}.sl-canvas{position:absolute;left:0;top:50%;transform:translateY(-50%);width:100%;height:14px;border-radius:7px;display:block}.sl-thumb{position:absolute;width:22px;height:22px;border-radius:50%;background:var(--card);border:2px solid rgba(0,0,0,.18);box-shadow:0 1px 4px #00000040;top:50%;transform:translate(-50%,-50%);pointer-events:none}.preview-box{height:72px;border-radius:10px;margin-bottom:12px;border:1px solid rgba(0,0,0,.08);position:relative;overflow:hidden;cursor:pointer}.preview-box:before{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Crect width='8' height='8' fill='%23ccc'/%3E%3Crect x='8' y='8' width='8' height='8' fill='%23ccc'/%3E%3Crect x='8' width='8' height='8' fill='%23fff'/%3E%3Crect y='8' width='8' height='8' fill='%23fff'/%3E%3C/svg%3E")}.preview-fill{position:absolute;inset:0}.preview-hex{position:absolute;bottom:8px;left:10px;font-family:Menlo,Consolas,monospace;font-size:14px;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.4);pointer-events:none}#nativePicker{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.fmt-row{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:6px;margin-bottom:7px}.fmt-row:last-of-type{margin-bottom:0}.fmt-label{font-size:12px;font-weight:700;color:var(--sub);font-family:Menlo,Consolas,monospace}.fmt-input{width:100%;border:2px solid var(--border);border-radius:8px;padding:7px 9px;font-size:12px;font-family:Menlo,Consolas,monospace;outline:none;color:var(--text);background:var(--card);transition:border-color .2s}.fmt-input:focus{border-color:var(--primary)}.copy-btn{background:var(--btn-ghost-bg, #f0f0f0);border:none;border-radius:7px;padding:7px 9px;font-size:11px;font-weight:600;color:var(--btn-ghost-color, #666);cursor:pointer;white-space:nowrap;transition:all .15s}.copy-btn:hover{filter:brightness(.95)}.copy-btn.copied{background:#4caf50;color:#fff}.contrast-row{display:flex;gap:8px;margin-top:10px}.contrast-chip{flex:1;border-radius:8px;overflow:hidden;border:1px solid rgba(0,0,0,.08)}.contrast-preview{padding:10px 10px 6px;display:flex;align-items:baseline;gap:6px}.contrast-preview .sample{font-size:22px;font-weight:700;line-height:1}.contrast-preview .sample-sm{font-size:13px;font-weight:400;line-height:1}.contrast-meta{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 8px;font-size:11px}.contrast-meta .ratio{font-weight:700}.wcag-badge{font-size:10px;font-weight:700;padding:1px 5px;border-radius:4px}.harmony-tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:10px}.h-tab{padding:5px 10px;border-radius:8px;border:1.5px solid var(--border);font-size:12px;font-weight:600;background:transparent;color:var(--sub);cursor:pointer;transition:all .15s}.h-tab.active{border-color:var(--primary);background:var(--primary-muted);color:var(--primary)}.harmony-swatches{display:flex;gap:8px;flex-wrap:wrap}.h-swatch{flex:1;min-width:60px;border-radius:10px;overflow:hidden;cursor:pointer;transition:transform .15s;user-select:none}.h-swatch:hover{transform:translateY(-2px)}.h-swatch-color{height:52px}.h-swatch-label{text-align:center;font-size:10px;font-family:Menlo,monospace;padding:4px 2px;color:var(--sub);background:var(--card);border:1px solid rgba(0,0,0,.06);border-top:none;border-radius:0 0 10px 10px}.hfmt{display:grid;grid-template-columns:52px 1fr;gap:5px 10px;padding-left:11px}.hfmt-k{font-size:11px;font-weight:700;color:var(--primary);font-family:Menlo,Consolas,monospace;background:var(--primary-muted);border-radius:5px;padding:3px 0;text-align:center;align-self:center}.hfmt-v{font-size:11px;color:var(--sub);font-family:Menlo,Consolas,monospace;align-self:center;line-height:1.4}.hwcag{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding-left:11px}.hwcag-item{border-radius:8px;padding:7px 6px;text-align:center;display:flex;flex-direction:column;gap:2px}.hwcag-badge{font-size:12px;font-weight:800}.hwcag-desc{font-size:10px;color:#fff;opacity:.85;line-height:1.3}.history-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(28px,1fr));gap:8px}.h-dot{width:100%;aspect-ratio:1;border-radius:8px;cursor:pointer;border:1.5px solid rgba(0,0,0,.1);transition:transform .15s}.h-dot:hover{transform:scale(1.1)}.history-empty{font-size:13px;color:var(--sub);grid-column:1 / -1}.cc-inputs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}.cc-field{display:flex;align-items:center;gap:6px}.cc-field-label{font-size:12px;font-weight:700;color:var(--sub);width:30px;flex-shrink:0}.cc-swatch{width:26px;height:26px;border-radius:7px;flex-shrink:0;border:1.5px solid rgba(0,0,0,.12);position:relative;overflow:hidden;cursor:pointer}.cc-swatch input[type=color]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.cc-use-btn{background:var(--btn-ghost-bg, #f0f0f0);border:none;border-radius:7px;padding:6px 8px;font-size:11px;font-weight:600;color:var(--btn-ghost-color, #666);cursor:pointer;white-space:nowrap;transition:all .15s;flex-shrink:0}.cc-use-btn:hover{filter:brightness(.95)}.cc-preview{border-radius:10px;overflow:hidden;border:1px solid rgba(0,0,0,.08)}.cc-preview-main{padding:14px 16px;display:flex;align-items:baseline;gap:8px}.cc-preview-meta{display:flex;align-items:center;justify-content:space-between;padding:6px 12px}.cc-ratio{font-size:14px;font-weight:700}@media(max-width:600px){.picker-grid,.cc-inputs{grid-template-columns:1fr}.copy-btn{min-height:44px;min-width:44px}.h-swatch-color{min-height:52px}.h-tab{min-height:44px}.help-btn:hover{background:var(--card)}.help-btn:active{background:var(--card-alt)}.h-swatch:hover{transform:none}.h-swatch:active{transform:translateY(-2px)}}