/* ============================================================
   MediaMaster UI 组件样式
   统一按钮风格、模块动画、细节优化
   依赖 variables.css 的 CSS 自定义属性
   ============================================================ */

/* ====== 统一按钮系统（dl- 前缀） ====== */

/* 基础按钮 - 去除 Bootstrap 默认装饰 */
.dl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    padding: 7px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    letter-spacing: 0.2px;
    line-height: 1.4;
    text-decoration: none;
    white-space: nowrap;
    background: transparent;
    color: var(--text-primary);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.dl-btn:hover {
    transform: translateY(-1px);
}

.dl-btn:active {
    transform: translateY(0);
}

/* 小尺寸 */
.dl-btn-sm {
    font-size: 12px;
    padding: 5px 12px;
    border-radius: 6px;
}

/* 大尺寸 */
.dl-btn-lg {
    font-size: 15px;
    padding: 10px 24px;
    border-radius: 10px;
}

/* --- 主要按钮（实心） --- */
.dl-btn-primary {
    background: var(--btn-gradient);
    color: #fff;
    box-shadow: var(--btn-shadow);
}
.dl-btn-primary:hover {
    background: var(--btn-gradient-hover);
    box-shadow: var(--btn-shadow-hover);
    color: #fff;
}
.dl-btn-primary:active {
    box-shadow: var(--btn-shadow);
}

/* --- 次要按钮（描边） --- */
.dl-btn-outline {
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    background: transparent;
}
.dl-btn-outline:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

/* --- 危险按钮 --- */
.dl-btn-danger {
    color: var(--danger);
    border: 1px solid transparent;
    background: transparent;
}
.dl-btn-danger:hover {
    color: #fff;
    background: var(--danger);
    border-color: var(--danger);
}

/* --- 成功按钮 --- */
.dl-btn-success {
    background: var(--success);
    color: #fff;
}
.dl-btn-success:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

/* --- 幽灵按钮（无边框无背景） --- */
.dl-btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-muted);
}
.dl-btn-ghost:hover {
    color: var(--primary);
    background: var(--primary-light);
}

/* --- 图标按钮 --- */
.dl-btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.dl-btn-icon:hover {
    color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-1px);
}
.dl-btn-icon:active {
    transform: scale(0.95);
}

/* ====== 模块动画系统 ====== */

/* 页面淡入 */
.dl-fade-in {
    animation: dlFadeIn 0.5s ease both;
}

/* 卡片滑入 */
.dl-slide-up {
    animation: dlSlideUp 0.5s ease both;
}

/* 交错延迟 */
.dl-stagger-1 { animation-delay: 0.05s; }
.dl-stagger-2 { animation-delay: 0.10s; }
.dl-stagger-3 { animation-delay: 0.15s; }
.dl-stagger-4 { animation-delay: 0.20s; }
.dl-stagger-5 { animation-delay: 0.25s; }
.dl-stagger-6 { animation-delay: 0.30s; }

@keyframes dlFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes dlSlideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- 卡片容器动效 --- */
.dl-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
    overflow: hidden;
}
.dl-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

/* --- 表格行微动效 --- */
.dl-table-row {
    transition: background-color 0.15s ease;
}

/* --- Hover 上浮效果 --- */
.dl-hover-lift {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.dl-hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] .dl-hover-lift:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

/* --- Hover 缩放效果 --- */
.dl-hover-scale {
    transition: transform 0.25s ease;
}
.dl-hover-scale:hover {
    transform: scale(1.03);
}

/* --- 淡入淡出过渡 --- */
.dl-transition {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ====== 细节优化 ====== */

/* 统一卡片头部（替代 card-header 的硬编码渐变） */
.dl-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.2px;
}

/* 模块分区标题 */
.dl-section-title {
    border-left: 4px solid var(--primary);
    padding-left: 12px;
    margin: 24px 0 16px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.2px;
    color: var(--text-primary);
}

/* 统计卡片 */
.dl-stat-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.25s ease;
}
.dl-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .dl-stat-card:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* 资源卡片 */
.dl-resource-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.25s ease;
}
.dl-resource-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

/* 标签/徽章优化 */
.dl-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2px;
}
.dl-badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}
.dl-badge-success {
    background: var(--success-light);
    color: var(--success);
}
.dl-badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}
.dl-badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

/* 输入框组 */
.dl-input {
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-primary);
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-xs);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.dl-input:focus {
    border-color: var(--primary);
    box-shadow: var(--input-focus-shadow);
}
.dl-input::placeholder {
    color: var(--text-muted);
}

/* ====== 页面级别卡片动画 ====== */

/* 为 Bootstrap card 添加增强动画 */
.card {
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.card:hover {
    transform: translateY(-1px);
}

/* 统计项动画 */
.stat-item {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 资源项动画 */
.resource-item {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 媒体卡片动画增强 */
.media-card {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 海报项动画 */
.poster-item {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 下载项动画 */
.dl-item {
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.dl-item:hover {
    transform: translateX(2px);
}

/* 设置开关卡片 */
.site-index-switch,
.scrape-setting,
.metadata-enhance-setting {
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.site-index-switch:hover,
.scrape-setting:hover,
.metadata-enhance-setting:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}