/* ============================================================
 * Senflare Link Lite — 主题调色盘样式（自 SenflareUI.css 拆出）
 * 依赖：SenflareUI.css 的 :root 令牌与 .modal 弹窗外壳；
 *       JS 行为见 js/admin-ui.js（openThemeModal / initColorPicker）。
 * 引用页：index.html（头部主题图标弹窗）/ login.html / admin.html
 * 改动本文件请同步 bump 三处引用的 ?v= 版本号。
 * ============================================================ */

.theme-modal {
    max-width: 400px;
}

.color-picker {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 渐变色板 */
.color-gradient {
    width: 100%;
    height: 200px;
    border-radius: 8px;
    position: relative;
    cursor: crosshair;
    background: linear-gradient(to bottom, transparent, black),
                linear-gradient(to right, white, hsl(0, 100%, 50%));
}

.gradient-cursor {
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* 控制区 */
.color-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.color-preview {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--border-1);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.color-sliders {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.slider-wrapper {
    position: relative;
}

/* 色相滑块 */
.hue-slider {
    width: 100%;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right,
        #ff0000 0%, #ffff00 17%, #00ff00 33%,
        #00ffff 50%, #0000ff 67%, #ff00ff 83%, #ff0000 100%);
    position: relative;
    cursor: pointer;
}

/* 透明度滑块 */
.alpha-slider {
    width: 100%;
    height: 12px;
    border-radius: 6px;
    position: relative;
    cursor: pointer;
    background: linear-gradient(to right, transparent, var(--color-primary, #ff6901)),
                repeating-conic-gradient(#ddd 0% 25%, white 0% 50%) 50% / 10px 10px;
}

.slider-thumb {
    position: absolute;
    width: 16px;
    height: 16px;
    background: white;
    border: 2px solid var(--border-1);
    border-radius: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    pointer-events: none;
}

/* 颜色输入 */
.color-input-wrapper {
    display: flex;
    justify-content: center;
}

.color-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-1);
    border-radius: 8px;
    background: var(--bg-2);
    color: var(--text-1);
    font-size: 0.95rem;
    text-align: center;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.2s;
}

.color-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--card-bg);
}

/* 预设颜色 */
.preset-colors {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 8px;
}

.preset-color {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.preset-color:hover {
    border-color: var(--color-primary);
    transform: scale(1.1);
}