/* ==========================================================================
   Sitemap Extractor Pro — Styles
   ========================================================================== */

:root {
    --sep-primary: #4f46e5;
    --sep-primary-hover: #4338ca;
    --sep-primary-light: #eef2ff;
    --sep-primary-subtle: #c7d2fe;
    --sep-success: #059669;
    --sep-success-light: #d1fae5;
    --sep-danger: #dc2626;
    --sep-danger-light: #fee2e2;
    --sep-warning: #d97706;
    --sep-warning-light: #fef3c7;
    --sep-gray-50: #f9fafb;
    --sep-gray-100: #f3f4f6;
    --sep-gray-200: #e5e7eb;
    --sep-gray-300: #d1d5db;
    --sep-gray-400: #9ca3af;
    --sep-gray-500: #6b7280;
    --sep-gray-600: #4b5563;
    --sep-gray-700: #374151;
    --sep-gray-800: #1f2937;
    --sep-gray-900: #111827;
    --sep-radius: 12px;
    --sep-radius-sm: 8px;
    --sep-radius-xs: 6px;
    --sep-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --sep-shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --sep-shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --sep-transition: .2s ease;
}

/* Reset within plugin scope */
.sep-app * {
    box-sizing: border-box;
}

.sep-app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--sep-gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.sep-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--sep-gray-200);
}

.sep-header-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sep-primary);
    color: #fff;
    border-radius: var(--sep-radius);
    box-shadow: var(--sep-shadow-md);
}

.sep-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 2px;
    color: var(--sep-gray-900);
}

.sep-subtitle {
    font-size: 14px;
    color: var(--sep-gray-500);
    margin: 0;
}

/* Mode toggle */
.sep-mode-toggle {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.sep-mode-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--sep-gray-200);
    background: #fff;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--sep-gray-600);
    cursor: pointer;
    transition: all var(--sep-transition);
}

.sep-mode-btn:hover {
    border-color: var(--sep-primary-subtle);
    color: var(--sep-primary);
    background: var(--sep-primary-light);
}

.sep-mode-btn.active {
    background: var(--sep-primary);
    color: #fff;
    border-color: var(--sep-primary);
}

/* Input Section */
.sep-input-section {
    background: #fff;
    border: 1px solid var(--sep-gray-200);
    border-radius: var(--sep-radius);
    padding: 24px;
    box-shadow: var(--sep-shadow);
    margin-bottom: 24px;
}

.sep-input-row {
    display: flex;
    gap: 12px;
}

.sep-input-wrapper {
    flex: 1;
    position: relative;
}

.sep-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sep-gray-400);
    pointer-events: none;
}

.sep-url-input {
    width: 100%;
    padding: 12px 14px 12px 44px;
    border: 2px solid var(--sep-gray-200);
    border-radius: var(--sep-radius-sm);
    font-size: 15px;
    color: var(--sep-gray-800);
    background: var(--sep-gray-50);
    transition: all var(--sep-transition);
    outline: none;
}

.sep-url-input:focus {
    border-color: var(--sep-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, .1);
}

.sep-url-input::placeholder {
    color: var(--sep-gray-400);
}

.sep-extract-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--sep-primary);
    color: #fff;
    border: none;
    border-radius: var(--sep-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--sep-transition);
    white-space: nowrap;
}

.sep-extract-btn:hover {
    background: var(--sep-primary-hover);
    box-shadow: var(--sep-shadow-md);
    transform: translateY(-1px);
}

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

.sep-extract-btn:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
}

.sep-hint {
    font-size: 12px;
    color: var(--sep-gray-400);
    margin: 10px 0 0;
}

/* Spinner */
@keyframes sep-spin {
    to { transform: rotate(360deg); }
}

.sep-spinner {
    animation: sep-spin .8s linear infinite;
}

/* Progress */
.sep-progress {
    margin-bottom: 24px;
}

.sep-progress-bar {
    height: 6px;
    background: var(--sep-gray-100);
    border-radius: 999px;
    overflow: hidden;
}

.sep-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sep-primary), #818cf8);
    border-radius: 999px;
    width: 0%;
    transition: width .4s ease;
    animation: sep-progress-indeterminate 1.5s ease-in-out infinite;
}

@keyframes sep-progress-indeterminate {
    0% { width: 5%; margin-left: 0; }
    50% { width: 40%; margin-left: 30%; }
    100% { width: 5%; margin-left: 95%; }
}

.sep-progress-fill.determinate {
    animation: none;
    margin-left: 0;
}

.sep-progress-text {
    font-size: 13px;
    color: var(--sep-gray-500);
    margin: 8px 0 0;
    text-align: center;
}

/* Error */
.sep-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: var(--sep-danger-light);
    border: 1px solid #fca5a5;
    border-radius: var(--sep-radius-sm);
    color: var(--sep-danger);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}

/* Stats Cards Grid */
.sep-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.sep-stat-card {
    background: #fff;
    border: 1px solid var(--sep-gray-200);
    border-radius: var(--sep-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--sep-shadow);
    transition: all var(--sep-transition);
}

.sep-stat-card:hover {
    box-shadow: var(--sep-shadow-md);
    transform: translateY(-2px);
}

.sep-stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--sep-primary);
    line-height: 1.1;
}

.sep-stat-label {
    font-size: 13px;
    color: var(--sep-gray-500);
    margin-top: 4px;
    font-weight: 500;
}

.sep-stat-card.success .sep-stat-number { color: var(--sep-success); }
.sep-stat-card.warning .sep-stat-number { color: var(--sep-warning); }

/* Sitemaps Found */
.sep-section {
    margin-bottom: 28px;
}

.sep-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--sep-gray-800);
    margin: 0 0 12px;
}

.sep-sitemaps-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sep-sitemap-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--sep-gray-50);
    border: 1px solid var(--sep-gray-200);
    border-radius: var(--sep-radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    transition: all var(--sep-transition);
}

.sep-sitemap-item:hover {
    background: var(--sep-primary-light);
    border-color: var(--sep-primary-subtle);
}

.sep-sitemap-url {
    color: var(--sep-primary);
    word-break: break-all;
    font-weight: 500;
    text-decoration: none;
}

.sep-sitemap-url:hover {
    text-decoration: underline;
}

.sep-sitemap-badge {
    flex-shrink: 0;
    padding: 3px 10px;
    background: var(--sep-primary);
    color: #fff;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 12px;
}

/* Toolbar */
.sep-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--sep-gray-200);
    border-radius: var(--sep-radius);
    box-shadow: var(--sep-shadow);
}

.sep-toolbar-left {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.sep-toolbar-right {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.sep-search-box {
    position: relative;
}

.sep-search-box svg {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sep-gray-400);
}

.sep-filter-input {
    padding: 8px 12px 8px 32px;
    border: 1px solid var(--sep-gray-200);
    border-radius: var(--sep-radius-xs);
    font-size: 13px;
    width: 200px;
    outline: none;
    transition: all var(--sep-transition);
}

.sep-filter-input:focus {
    border-color: var(--sep-primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, .1);
}

.sep-category-filter,
.sep-depth-filter,
.sep-sort-select {
    padding: 8px 12px;
    border: 1px solid var(--sep-gray-200);
    border-radius: var(--sep-radius-xs);
    font-size: 13px;
    color: var(--sep-gray-700);
    background: #fff;
    outline: none;
    cursor: pointer;
}

.sep-category-filter:focus,
.sep-depth-filter:focus,
.sep-sort-select:focus {
    border-color: var(--sep-primary);
}

.sep-url-count {
    font-size: 13px;
    font-weight: 600;
    color: var(--sep-gray-500);
    padding: 0 8px;
}

.sep-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: 1px solid var(--sep-gray-200);
    background: #fff;
    border-radius: var(--sep-radius-xs);
    font-size: 13px;
    font-weight: 500;
    color: var(--sep-gray-600);
    cursor: pointer;
    transition: all var(--sep-transition);
}

.sep-action-btn:hover {
    background: var(--sep-gray-50);
    border-color: var(--sep-gray-300);
}

.sep-copy-btn:hover {
    background: var(--sep-primary-light);
    border-color: var(--sep-primary-subtle);
    color: var(--sep-primary);
}

.sep-export-btn:hover {
    background: var(--sep-success-light);
    border-color: #6ee7b7;
    color: var(--sep-success);
}

/* Category Cards Grid */
.sep-categories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.sep-category-card {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid var(--sep-gray-200);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--sep-gray-700);
    cursor: pointer;
    transition: all var(--sep-transition);
    user-select: none;
}

.sep-category-card:hover {
    background: var(--sep-primary-light);
    border-color: var(--sep-primary-subtle);
    color: var(--sep-primary);
}

.sep-category-card.active {
    background: var(--sep-primary);
    border-color: var(--sep-primary);
    color: #fff;
}

.sep-category-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 22px;
    padding: 0 6px;
    background: var(--sep-gray-100);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: var(--sep-gray-600);
}

.sep-category-card.active .sep-category-count {
    background: rgba(255,255,255,.25);
    color: #fff;
}

/* URL List */
.sep-url-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sep-url-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: #fff;
    border: 1px solid var(--sep-gray-100);
    border-radius: var(--sep-radius-xs);
    transition: all var(--sep-transition);
    font-size: 13px;
}

.sep-url-item:hover {
    background: var(--sep-primary-light);
    border-color: var(--sep-primary-subtle);
}

.sep-url-item.selected {
    background: var(--sep-primary-light);
    border-color: var(--sep-primary-subtle);
}

.sep-url-checkbox {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--sep-primary);
    cursor: pointer;
}

.sep-url-info {
    flex: 1;
    min-width: 0;
}

.sep-url-link {
    color: var(--sep-gray-800);
    text-decoration: none;
    word-break: break-all;
    display: block;
    line-height: 1.4;
}

.sep-url-link:hover {
    color: var(--sep-primary);
}

.sep-url-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 3px;
}

.sep-url-tag {
    display: inline-block;
    padding: 1px 8px;
    background: var(--sep-gray-100);
    border-radius: 999px;
    font-size: 11px;
    color: var(--sep-gray-500);
    font-weight: 500;
}

.sep-url-tag.cat {
    background: var(--sep-primary-light);
    color: var(--sep-primary);
}

.sep-url-copy-single {
    flex-shrink: 0;
    padding: 5px 8px;
    border: none;
    background: transparent;
    color: var(--sep-gray-400);
    cursor: pointer;
    border-radius: var(--sep-radius-xs);
    transition: all var(--sep-transition);
}

.sep-url-copy-single:hover {
    background: var(--sep-gray-100);
    color: var(--sep-primary);
}

/* Load More */
.sep-load-more-wrapper {
    text-align: center;
    padding: 16px 0;
}

.sep-load-more-btn {
    padding: 10px 32px;
    border: 1px solid var(--sep-gray-200);
    background: #fff;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--sep-gray-600);
    cursor: pointer;
    transition: all var(--sep-transition);
}

.sep-load-more-btn:hover {
    background: var(--sep-primary-light);
    border-color: var(--sep-primary-subtle);
    color: var(--sep-primary);
}

/* Toast */
.sep-toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--sep-gray-900);
    color: #fff;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--sep-shadow-lg);
    opacity: 0;
    transition: all .3s ease;
    z-index: 10000;
    pointer-events: none;
}

.sep-toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Empty state */
.sep-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--sep-gray-400);
}

.sep-empty svg {
    margin-bottom: 12px;
}

.sep-empty p {
    margin: 0;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .sep-input-row {
        flex-direction: column;
    }

    .sep-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .sep-toolbar-left,
    .sep-toolbar-right {
        flex-wrap: wrap;
    }

    .sep-filter-input {
        width: 100%;
    }

    .sep-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sep-mode-toggle {
        flex-direction: column;
    }

    .sep-url-item {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .sep-stats-grid {
        grid-template-columns: 1fr;
    }

    .sep-header {
        flex-direction: column;
        text-align: center;
    }
}