.cp-app{display:flex;flex-direction:column;height:100%;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}
.cp-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);gap:12px;flex-wrap:wrap}
.cp-header-left{display:flex;align-items:center;gap:8px}
.cp-header-right{display:flex;align-items:center;gap:8px}
.cp-title{font-size:15px;font-weight:700;color:var(--text)}
.cp-main{flex:1;overflow:auto;padding:20px;display:flex;flex-direction:column;gap:20px}
.cp-picker-area{display:flex;gap:20px;align-items:flex-start}
.cp-canvas-col{display:flex;flex-direction:column;gap:12px;flex:1;min-width:0}
.cp-sv-wrap{position:relative;width:100%;height:260px;border-radius:var(--radius);border:2px solid var(--border);overflow:hidden;cursor:crosshair;touch-action:none}
.cp-sv-canvas{display:block;width:100%;height:100%}
.cp-sv-thumb{position:absolute;width:18px;height:18px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,0.4),inset 0 0 0 1px rgba(0,0,0,0.2);pointer-events:none;transform:translate(-50%,-50%);z-index:2}
.cp-slider-wrap{position:relative;width:100%;height:20px;border-radius:10px;border:1px solid var(--border);overflow:hidden;cursor:pointer;touch-action:none}
.cp-hue-canvas{display:block;width:100%;height:100%}
.cp-alpha-wrap{position:relative;width:100%;height:20px;border-radius:10px;border:1px solid var(--border);overflow:hidden;cursor:pointer;touch-action:none}
.cp-alpha-bg{position:absolute;inset:0;background:repeating-conic-gradient(var(--surface-3) 0% 25%,var(--bg) 0% 50%) 0 0/12px 12px;border-radius:10px}
.cp-alpha-canvas{position:relative;display:block;width:100%;height:100%;z-index:1}
.cp-slider-thumb{position:absolute;top:50%;width:8px;height:24px;border-radius:4px;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,0.3);pointer-events:none;transform:translate(-50%,-50%);z-index:2}
.cp-preview-col{display:flex;flex-direction:column;gap:10px;align-items:center;min-width:140px}
.cp-preview-swatch{width:120px;height:120px;border-radius:var(--radius);border:2px solid var(--border);position:relative;overflow:hidden}
.cp-preview-swatch-bg{position:absolute;inset:0;background:repeating-conic-gradient(var(--surface-3) 0% 25%,var(--bg) 0% 50%) 0 0/16px 16px}
.cp-preview-swatch-color{position:absolute;inset:0;z-index:1}
.cp-preview-opaque{width:120px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--border)}
.cp-preview-label{font-size:11px;color:var(--text-muted);text-align:center}
.cp-action-btns{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.cp-outputs{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.cp-output-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.cp-output-card-header{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;background:var(--surface-2);border-bottom:1px solid var(--border)}
.cp-output-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted)}
.cp-copy-btn{font-size:11px;padding:2px 8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:background 0.15s,border-color 0.15s}
.cp-copy-btn:hover{background:var(--accent-light);border-color:var(--accent);color:var(--accent)}
.cp-output-input{width:100%;border:none;background:transparent;padding:8px 10px;font-family:var(--font-mono);font-size:12px;color:var(--text);outline:none;box-sizing:border-box}
.cp-output-input:focus{background:var(--surface-2)}
.cp-section{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.cp-section-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--surface-2);border-bottom:1px solid var(--border)}
.cp-section-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted)}
.cp-section-body{padding:12px 16px}
.cp-history-grid{display:flex;flex-wrap:wrap;gap:6px}
.cp-history-swatch{width:32px;height:32px;border-radius:var(--radius-sm);border:2px solid var(--border);cursor:pointer;position:relative;overflow:hidden;transition:border-color 0.15s,transform 0.1s}
.cp-history-swatch:hover{border-color:var(--accent);transform:scale(1.1)}
.cp-history-swatch-bg{position:absolute;inset:0;background:repeating-conic-gradient(var(--surface-3) 0% 25%,var(--bg) 0% 50%) 0 0/8px 8px}
.cp-history-swatch-color{position:absolute;inset:0;z-index:1}
.cp-history-empty{color:var(--text-muted);font-size:13px;font-style:italic}
.cp-palette-tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}
.cp-palette-tab{padding:4px 12px;font-size:12px;font-weight:500;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:background 0.15s,color 0.15s,border-color 0.15s}
.cp-palette-tab:hover{border-color:var(--accent)}
.cp-palette-tab.cp-active{background:var(--accent);color:#fff;border-color:var(--accent)}
.cp-palette-group{margin-bottom:10px}
.cp-palette-group:last-child{margin-bottom:0}
.cp-palette-group-name{font-size:11px;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:capitalize}
.cp-palette-swatches{display:flex;flex-wrap:wrap;gap:4px}
.cp-palette-swatch{width:28px;height:28px;border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;transition:transform 0.1s,border-color 0.15s}
.cp-palette-swatch:hover{transform:scale(1.15);border-color:var(--accent);z-index:1}
.cp-contrast-section{display:flex;flex-direction:column;gap:12px}
.cp-contrast-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.cp-contrast-field{display:flex;flex-direction:column;gap:4px;flex:1;min-width:140px}
.cp-contrast-field label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.3px}
.cp-contrast-input{padding:6px 10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:12px;color:var(--text);outline:none;transition:border-color 0.15s}
.cp-contrast-input:focus{border-color:var(--accent)}
.cp-contrast-preview{height:60px;border-radius:var(--radius-sm);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;font-family:var(--font-sans)}
.cp-contrast-results{display:flex;gap:10px;flex-wrap:wrap}
.cp-contrast-result{padding:6px 14px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;border:1px solid var(--border)}
.cp-contrast-pass{background:color-mix(in srgb,var(--green) 15%,transparent);color:var(--green);border-color:var(--green)}
.cp-contrast-fail{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red);border-color:var(--red)}
.cp-contrast-ratio{font-size:13px;font-weight:700;color:var(--text);font-family:var(--font-mono)}
.cp-status-bar{padding:6px 16px;border-top:1px solid var(--border);background:var(--surface-2);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-muted)}
.cp-columns{display:flex;gap:20px}
.cp-col-left{flex:1;min-width:0;display:flex;flex-direction:column;gap:16px}
.cp-col-right{width:340px;min-width:280px;display:flex;flex-direction:column;gap:16px}

@media(max-width:768px){
.cp-picker-area{flex-direction:column}
.cp-preview-col{flex-direction:row;flex-wrap:wrap;min-width:0;width:100%}
.cp-preview-swatch{width:80px;height:80px}
.cp-preview-opaque{width:80px;height:32px}
.cp-outputs{grid-template-columns:1fr}
.cp-columns{flex-direction:column}
.cp-col-right{width:100%;min-width:0}
.cp-contrast-row{flex-direction:column}
.cp-sv-wrap{height:200px}
}