/* ============================================
   Bookmark Manager - Professional Styles
   ============================================ */

/* CSS Variables for theming */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: 14px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Search */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 260px;
    padding: 8px 36px 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.88rem;
    background-color: var(--bg-secondary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-container .btn-icon {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.search-container:hover .btn-icon,
.search-input:focus + .btn-icon {
    opacity: 1;
}

/* Toolbar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    flex-wrap: wrap;
    gap: 8px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 7px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background-color: var(--bg-tertiary);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-icon-left {
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: 100;
    overflow: hidden;
}

.dropdown-content.show {
    display: block;
}

.dropdown-content button {
    display: block;
    width: 100%;
    padding: 10px 16px;
    text-align: left;
    background: none;
    border: none;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dropdown-content button:hover {
    background-color: var(--bg-tertiary);
}

.dropdown-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 4px 0;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 10px 0;
}

/* Bookmark Sections */
.bookmark-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow var(--transition-normal), opacity var(--transition-fast);
    cursor: default;
}

.bookmark-section:hover {
    box-shadow: var(--shadow-md);
}

.bookmark-section.section-dragging {
    opacity: 0.4;
    box-shadow: var(--shadow-lg);
    cursor: grabbing !important;
}

.bookmark-section.section-dragging .section-drag-handle {
    cursor: grabbing !important;
}

.bookmark-section.section-drag-over-top {
    border-top: 3px solid var(--primary-color);
    margin-top: -2px;
}

.bookmark-section.section-drag-over-bottom {
    border-bottom: 3px solid var(--primary-color);
    margin-bottom: 10px;
}

.section-header {
    padding: 10px 16px;
    background-color: var(--bg-tertiary);
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header:hover {
    background-color: var(--border-color);
}

.section-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.section-header:hover .section-actions {
    opacity: 1;
}

.section-actions .btn-icon {
    background: none;
    border: none;
    padding: 4px 6px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.section-actions .btn-icon:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-drag-handle {
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: grab;
    padding: 2px;
    opacity: 0.3;
    transition: opacity var(--transition-fast);
}

.section-header:hover .section-drag-handle {
    opacity: 0.7;
}

.section-drag-handle:hover {
    opacity: 1 !important;
    color: var(--text-secondary);
}

.section-title h2 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.collapse-icon {
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform var(--transition-normal);
}

.bookmark-section.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.bookmark-section.collapsed .bookmark-list {
    display: none;
}

.bookmark-count {
    background-color: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.section-description {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
    margin-left: 22px;
}

/* Bookmark List */
.bookmark-list {
    padding: 8px;
    min-height: 50px;
}

.bookmark-list.empty::after {
    content: 'No bookmarks yet. Click "Add Bookmark" to get started.';
    display: block;
    text-align: center;
    color: var(--text-muted);
    padding: 24px;
    font-size: 0.9rem;
}

.bookmark-list.drag-over {
    background-color: rgba(37, 99, 235, 0.05);
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
}

/* Bookmark Item */
.bookmark-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 6px;
    cursor: grab;
    transition: all var(--transition-fast);
}

.bookmark-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.bookmark-item.dragging {
    opacity: 0.5;
    transform: scale(1.02);
    cursor: grabbing;
}

.bookmark-item.drag-placeholder {
    background-color: rgba(37, 99, 235, 0.1);
    border: 2px dashed var(--primary-color);
}

.bookmark-item:last-child {
    margin-bottom: 0;
}

.drag-handle {
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: grab;
    padding: 2px;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.bookmark-item:hover .drag-handle {
    opacity: 1;
}

.bookmark-favicon {
    width: 16px;
    height: 16px;
    object-fit: contain;
    flex-shrink: 0;
}

.bookmark-content {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bookmark-title {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition-fast);
    flex-shrink: 0;
    max-width: 40%;
}

.bookmark-title:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.bookmark-url {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.bookmark-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
    max-width: 25%;
}

.bookmark-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.bookmark-item:hover .bookmark-actions {
    opacity: 1;
}

.bookmark-actions button {
    background: none;
    border: none;
    padding: 4px 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.bookmark-actions button:hover {
    background-color: var(--bg-tertiary);
}

.bookmark-actions button.delete:hover {
    color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.1);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Form */
form {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 8px;
}

/* Bookmarklet Modal */
.bookmarklet-content {
    padding: 24px;
}

.bookmarklet-content > p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.bookmarklet-btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: grab;
}

.bookmarklet-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.bookmarklet-instructions {
    margin-top: 24px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.bookmarklet-instructions h4 {
    font-size: 0.95rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.bookmarklet-instructions ol {
    margin-left: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.bookmarklet-instructions li {
    margin-bottom: 8px;
}

.bookmarklet-alternative {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.bookmarklet-alternative h4 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.bookmarklet-alternative p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.bookmarklet-alternative textarea {
    width: 100%;
    height: 80px;
    padding: 12px;
    font-family: monospace;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    resize: none;
    margin-bottom: 12px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--text-primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    transition: all var(--transition-normal);
}

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

.toast.success {
    background-color: var(--success-color);
}

.toast.error {
    background-color: var(--danger-color);
}

/* Footer */
.footer {
    padding: 12px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-input {
        width: 100%;
    }

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

    .toolbar-left, .toolbar-right {
        justify-content: center;
        flex-wrap: wrap;
    }

    .bookmark-content {
        gap: 8px;
    }

    .bookmark-title {
        max-width: 35%;
    }

    .bookmark-description {
        display: none;
    }

    .bookmark-actions {
        opacity: 1;
    }

    .btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

/* Keyboard navigation */
.bookmark-item:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Highlight for search matches */
.bookmark-item.search-match .bookmark-title,
.bookmark-item.search-match .bookmark-description {
    background: linear-gradient(120deg, rgba(245, 158, 11, 0.2) 0%, rgba(245, 158, 11, 0.2) 100%);
}

/* Empty state styling */
.bookmark-list:empty::after {
    content: 'No bookmarks in this section. Add one to get started!';
    display: block;
    text-align: center;
    color: var(--text-muted);
    padding: 32px;
    font-size: 0.9rem;
}

/* Hidden class for filtered items */
.bookmark-item.hidden {
    display: none;
}

/* ============================================
   Premium Feature Styles
   ============================================ */

.premium-badge {
    display: inline-block;
    font-size: 0.7em;
    padding: 0.2em 0.5em;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #78350f;
    border-radius: 4px;
    font-weight: 600;
    margin-left: 0.5em;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.premium-feature {
    position: relative;
}

.premium-feature.locked {
    opacity: 0.7;
    cursor: pointer;
}

.premium-feature.locked:hover {
    opacity: 1;
    background-color: rgba(251, 191, 36, 0.1);
}

/* Upgrade Modal specific styles */
#upgradeModal .modal-content {
    text-align: center;
}

#upgradeModal ul {
    text-align: left;
    margin: 1em auto;
    max-width: 300px;
}

#upgradeModal .btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#upgradeModal .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
}

/* Development controls styling */
#devControls {
    font-family: monospace;
    font-size: 0.9em;
}

#devControls label:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

/* Backup status for non-premium users */
.backup-status-locked {
    color: var(--text-muted);
    font-style: italic;
}

.backup-status-locked::after {
    content: ' 🔒';
}

/* Print styles */
@media print {
    .toolbar, .header-actions, .bookmark-actions, .footer {
        display: none;
    }

    .bookmark-section {
        break-inside: avoid;
    }

    .premium-badge, #devControls {
        display: none !important;
    }
}