/* ==========================================================================
   URL 链接提取器 - 紧凑现代主题
   命名前缀: .ux-*
   ========================================================================== */

.ux-page-header { margin-bottom: 16px; }
.ux-page-title {
    font: 700 28px/1.2 var(--yst-font);
    color: var(--yst-text);
    margin: 0 0 8px;
    letter-spacing: var(--yst-letter-spacing);
}
.ux-page-desc { font-size: 14px; color: var(--yst-text-2); margin: 0 0 14px; }
.ux-feature-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ux-tag {
    display: inline-flex; align-items: center;
    height: 22px; padding: 0 9px;
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 5px;
    color: var(--yst-text-muted);
    font: 600 11px/1 var(--yst-font-mono, monospace);
    letter-spacing: 0.5px;
    text-transform: lowercase;
}

/* 卡片 */
.ux-card { padding: 18px 20px; margin-bottom: 14px; }

.ux-section-header {
    display: flex; align-items: baseline; gap: 12px;
    margin-bottom: 14px; padding-bottom: 10px;
    border-bottom: 1px dashed var(--yst-border);
    flex-wrap: wrap;
}
.ux-section-label {
    font: 700 15px var(--yst-font);
    color: var(--yst-text);
    letter-spacing: var(--yst-letter-spacing);
}
.ux-section-desc {
    font-size: 12px;
    color: var(--yst-text-muted);
    flex: 1;
}
.ux-section-actions {
    display: flex; flex-wrap: wrap; gap: 6px;
}
.ux-section-actions .yst-btn {
    height: 28px;
    padding: 0 12px;
    font-size: 12px;
}

/* Tab */
.ux-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
    background: var(--yst-bg-subtle);
    border-radius: 8px;
    padding: 4px;
}
.ux-tabs .tab-btn {
    flex: 1;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--yst-text-muted);
    font: 600 13px var(--yst-font);
    cursor: pointer;
    transition: all .15s;
    letter-spacing: var(--yst-letter-spacing);
}
.ux-tabs .tab-btn:hover { color: var(--yst-brand); }
.ux-tabs .tab-btn.active {
    background: #fff;
    color: var(--yst-brand);
    box-shadow: 0 1px 2px rgba(15,23,42,.06);
}

/* 文本框 */
.ux-textarea {
    width: 100%;
    min-height: 140px;
    padding: 12px 14px;
    background: #fafafa;
    border: 1.5px solid var(--yst-border);
    border-radius: 8px;
    color: var(--yst-text);
    font: 13px/1.6 var(--yst-font-mono, monospace);
    resize: vertical;
    transition: border-color .15s, box-shadow .15s, background .15s;
    outline: none;
}
.ux-textarea:focus {
    background: #fff;
    border-color: var(--yst-brand);
    box-shadow: 0 0 0 3px rgba(0, 158, 148, 0.12);
}
.ux-textarea::placeholder {
    color: var(--yst-text-light);
    font-style: italic;
}

.ux-actions {
    display: flex; gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

/* 文件上传 */
.ux-upload {
    border: 2px dashed var(--yst-border-strong);
    border-radius: 10px;
    background: var(--yst-bg-subtle);
    padding: 26px 20px;
    text-align: center;
    transition: all .15s;
    cursor: pointer;
}
.ux-upload:hover,
.ux-upload.dragover {
    border-color: var(--yst-brand);
    background: var(--yst-brand-soft);
}
.ux-upload-icon {
    width: 56px; height: 56px;
    margin: 0 auto 10px;
    color: var(--yst-text-light);
}
.ux-upload-icon svg { width: 100%; height: 100%; }
.ux-upload-title {
    font: 700 14px var(--yst-font);
    color: var(--yst-text);
    margin: 0 0 4px;
}
.ux-upload-desc {
    font: 12px var(--yst-font);
    color: var(--yst-text-muted);
    margin: 0 0 14px;
}
.ux-file-list {
    margin-top: 14px;
    text-align: left;
}
.ux-file-list .file-item {
    padding: 8px 12px;
    background: #fff;
    border: 1px solid var(--yst-border);
    border-radius: 6px;
    margin-bottom: 6px;
    font: 12px var(--yst-font-mono, monospace);
    color: var(--yst-text-2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ux-batch-info {
    font: 12px var(--yst-font);
    color: var(--yst-text-muted);
    background: var(--yst-bg-subtle);
    padding: 8px 12px;
    border-radius: 6px;
    border-left: 3px solid var(--yst-brand);
    margin: 0 0 10px;
}

/* 选项 */
.ux-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 8px;
    margin-bottom: 14px;
}
.ux-option {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 6px;
    cursor: pointer;
    font: 500 13px var(--yst-font);
    color: var(--yst-text-2);
    user-select: none;
    transition: all .15s;
    letter-spacing: var(--yst-letter-spacing);
}
.ux-option:hover {
    border-color: var(--yst-brand);
    color: var(--yst-brand);
}
.ux-option input[type="checkbox"] {
    margin: 0;
    accent-color: var(--yst-brand);
}
.ux-option:has(input:checked) {
    background: var(--yst-brand-soft);
    border-color: var(--yst-brand);
    color: var(--yst-brand);
}

.ux-filter-section {
    border-top: 1px dashed var(--yst-border);
    padding-top: 12px;
}
.ux-filter-title {
    font: 600 12px var(--yst-font);
    color: var(--yst-text-muted);
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.ux-filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 6px;
}

/* 统计 */
.ux-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}
@media (max-width: 768px) {
    .ux-stats { grid-template-columns: repeat(2, 1fr); }
}
.ux-stat {
    background: linear-gradient(180deg, #fff 0%, #f5fafa 100%);
    border: 1px solid var(--yst-border);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}
.ux-stat-value {
    font: 700 22px/1 var(--yst-font-mono, monospace);
    color: var(--yst-brand);
    margin-bottom: 4px;
}
.ux-stat-label {
    font: 11px var(--yst-font);
    color: var(--yst-text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 视图 tab */
.ux-display-tabs {
    display: flex; gap: 4px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--yst-border);
}
.ux-display-tabs .display-tab {
    height: 32px;
    padding: 0 14px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--yst-text-muted);
    font: 600 13px var(--yst-font);
    cursor: pointer;
    transition: all .15s;
    letter-spacing: var(--yst-letter-spacing);
    margin-bottom: -1px;
}
.ux-display-tabs .display-tab:hover { color: var(--yst-brand); }
.ux-display-tabs .display-tab.active {
    color: var(--yst-brand);
    border-bottom-color: var(--yst-brand);
}

/* 搜索 */
.ux-search {
    margin-bottom: 10px;
}
.ux-search-input {
    width: 100%;
    height: 36px;
    padding: 0 12px;
    background: #fafafa;
    border: 1.5px solid var(--yst-border);
    border-radius: 6px;
    color: var(--yst-text);
    font: 14px var(--yst-font);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.ux-search-input:focus {
    background: #fff;
    border-color: var(--yst-brand);
    box-shadow: 0 0 0 3px rgba(0, 158, 148, 0.12);
}

/* URL 列表 */
.ux-url-list,
.url-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 480px;
    overflow-y: auto;
}
.ux-url-list .url-item,
.url-list .url-item {
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 6px;
    padding: 8px 12px;
    font: 12px/1.5 var(--yst-font-mono, monospace);
    color: var(--yst-text);
    word-break: break-all;
    transition: all .12s;
}
.ux-url-list .url-item:hover,
.url-list .url-item:hover {
    border-color: var(--yst-brand);
    background: var(--yst-brand-soft);
}

.ux-grouped-list,
.grouped-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 480px;
    overflow-y: auto;
}
.ux-grouped-list .domain-group,
.grouped-list .domain-group {
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 8px;
    padding: 10px 12px;
}
.ux-grouped-list .domain-name,
.grouped-list .domain-name {
    font: 700 13px var(--yst-font);
    color: var(--yst-brand);
    margin-bottom: 6px;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--yst-border);
}

.ux-json-output {
    max-height: 480px;
    overflow: auto;
    background: #fafafa;
    border: 1px solid var(--yst-border);
    border-radius: 6px;
    padding: 12px 14px;
    font: 12px/1.6 var(--yst-font-mono, monospace);
    color: var(--yst-text);
}

/* 信息卡 */
.ux-info { padding: 18px 22px; margin-bottom: 14px; }
.ux-feature h3 {
    font: 700 14px/1.4 var(--yst-font);
    color: var(--yst-text);
    margin: 0 0 6px;
    position: relative;
    padding-left: 12px;
}
.ux-feature h3::before {
    content: "";
    position: absolute;
    left: 0; top: 5px; bottom: 5px;
    width: 3px;
    background: var(--yst-brand);
    border-radius: 0 2px 2px 0;
}
.ux-feature p {
    font: 13px/1.6 var(--yst-font);
    color: var(--yst-text-2);
    margin: 0;
}
.ux-info code {
    padding: 1px 6px;
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 3px;
    font: 12px var(--yst-font-mono, monospace);
    color: var(--yst-brand);
}

/* 移动端 */
@media (max-width: 768px) {
    .ux-page-title { font-size: 22px; }
    .ux-card, .ux-info { padding: 14px; }
    .ux-options-grid { grid-template-columns: 1fr; }
}