/* 颜色选择器：仅本页特有的样式；色板、色块属于内容层，保留真实颜色 */
.cp-checker {
    background: repeating-conic-gradient(var(--color-surface) 0% 25%, var(--color-bg-card) 0% 50%) 50% / 16px 16px;
}

/* 饱和度 / 明度 面板 */
.cp-sv {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 320px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background:
        linear-gradient(to top, #000, rgba(0, 0, 0, 0)),
        linear-gradient(to right, #fff, rgba(255, 255, 255, 0)),
        hsl(var(--cp-hue, 0), 100%, 50%);
    cursor: crosshair;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}
.cp-sv-thumb {
    position: absolute;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

/* 色相 / 透明度 滑块 */
.cp-range {
    -webkit-appearance: none;
    appearance: none;
    height: 16px;
    min-height: 16px;
    margin: 6px 0;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    cursor: pointer;
}
.cp-range--hue { background: linear-gradient(to right, #f00, #ff0, #0f0, #0ff, #00f, #f0f, #f00); }
.cp-range--alpha {
    background:
        linear-gradient(to right, transparent, var(--cp-solid, #000)),
        repeating-conic-gradient(var(--color-surface) 0% 25%, var(--color-bg-card) 0% 50%) 50% / 10px 10px;
}
.cp-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--color-text);
    box-shadow: var(--shadow-sm);
}
.cp-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--color-text);
}
.cp-range::-moz-range-track { background: transparent; }

.cp-native { position: relative; overflow: hidden; }
.cp-native input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; border: 0; padding: 0; }

/* 当前颜色 */
.cp-current { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 1rem; align-items: stretch; }
.cp-preview { border-radius: var(--radius-md); border: 1px solid var(--color-border); overflow: hidden; min-height: 132px; }
.cp-preview > div { width: 100%; height: 100%; }
.cp-values { display: grid; gap: 6px; align-content: start; }
.cp-value {
    appearance: none;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    width: 100%;
    min-height: 40px;
    padding: 4px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}
.cp-value:hover { border-color: var(--color-primary); }
.cp-value-label { font-size: 0.75rem; font-weight: 600; color: var(--color-text-muted); }
.cp-value-text { font-family: var(--font-mono); font-size: 0.8125rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cp-value-copy { font-size: 0.75rem; color: var(--color-primary); }

.cp-inputs { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr) minmax(0, 1.2fr); gap: 0.75rem; }
.cp-triple { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.cp-triple input { width: 100%; padding-left: 0.5rem; padding-right: 0.25rem; }

/* 色块 */
.cp-head { margin-bottom: 0.625rem; }
.cp-head .tb-card-title { margin: 0; }
.cp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); gap: 8px; }
.color-box {
    appearance: none;
    display: block;
    width: 100%;
    aspect-ratio: 1;
    min-height: 40px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform var(--transition-fast);
}
.color-box:hover { transform: scale(1.08); }
.cp-saved { display: flex; flex-wrap: wrap; gap: 8px; }
.cp-saved-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 4px 4px 4px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
}
.cp-saved-item .color-box { width: 40px; flex-shrink: 0; }
.cp-saved-item code { font-size: 0.75rem; color: var(--color-text-secondary); }
.cp-remove {
    appearance: none;
    width: 32px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
}
.cp-remove:hover { color: var(--color-danger); background: var(--color-bg-card); }
.cp-remove svg { width: 14px; height: 14px; }
.cp-empty { font-size: 0.8125rem; color: var(--color-text-muted); }

@media (max-width: 1024px) {
    .cp-inputs { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
    .cp-current { grid-template-columns: minmax(0, 1fr); }
    .cp-preview { min-height: 72px; }
    .cp-actions > * { flex: 1 1 calc(50% - 0.625rem); }
}