/* ================================================================
   NocoBase Page Converter — Stylesheet
   Dark theme, professional SaaS look
   ================================================================ */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222536;
    --bg-hover: #2a2d3e;
    --bg-input: #181b25;
    --border: #2e3247;
    --border-focus: #5b6abf;
    --text-primary: #e4e6f0;
    --text-secondary: #8b8fa4;
    --text-muted: #5d6175;
    --accent: #5b6abf;
    --accent-hover: #6d7ad4;
    --accent-light: rgba(91, 106, 191, 0.15);
    --success: #3ecf8e;
    --success-bg: rgba(62, 207, 142, 0.12);
    --warning: #f5a623;
    --warning-bg: rgba(245, 166, 35, 0.12);
    --danger: #e5484d;
    --danger-bg: rgba(229, 72, 77, 0.12);
    --info: #52a8ff;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --transition: 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ================================================================
   Header
   ================================================================ */

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-brand .logo {
    font-size: 1.5rem;
}

.header-brand h1 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-brand .brand-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.license-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.license-badge.test { background: var(--warning-bg); color: var(--warning); }
.license-badge.starter { background: var(--accent-light); color: var(--accent); }
.license-badge.professional { background: var(--success-bg); color: var(--success); }
.license-badge.enterprise { background: rgba(168, 85, 247, 0.15); color: #a855f7; }

/* ================================================================
   Main
   ================================================================ */

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ================================================================
   Cards
   ================================================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ================================================================
   Forms
   ================================================================ */

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

input[type="text"],
input[type="password"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color var(--transition);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--border-focus);
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}

/* ================================================================
   Buttons
   ================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-success {
    background: var(--success);
    color: #0f1117;
}
.btn-success:hover { opacity: 0.9; }

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}
.btn-danger:hover { background: var(--danger-bg); }

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

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.78rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* ================================================================
   Tables
   ================================================================ */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.data-table .clickable {
    cursor: pointer;
}

/* ================================================================
   Progress Bar
   ================================================================ */

.progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.progress-fill.success { background: var(--success); }

/* ================================================================
   Steps
   ================================================================ */

.step-list {
    list-style: none;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.85rem;
}

.step-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.step-item.done .step-icon { background: var(--success-bg); color: var(--success); }
.step-item.running .step-icon { background: var(--accent-light); color: var(--accent); animation: pulse 1.5s infinite; }
.step-item.pending .step-icon { background: var(--bg-secondary); color: var(--text-muted); }
.step-item.failed .step-icon { background: var(--danger-bg); color: var(--danger); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ================================================================
   Complexity Badge
   ================================================================ */

.complexity {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.complexity-bar {
    width: 10px;
    height: 32px;
    background: var(--border);
    border-radius: 3px;
}

.complexity-bar.filled { background: var(--accent); }
.complexity.high .complexity-bar.filled { background: var(--warning); }
.complexity.max .complexity-bar.filled { background: var(--danger); }

/* ================================================================
   Stats Grid (Dashboard)
   ================================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ================================================================
   Login View (centered card)
   ================================================================ */

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}

.login-card {
    width: 100%;
    max-width: 440px;
    text-align: center;
}

.login-card .logo-large {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.login-card .product-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.login-card .product-company {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.login-card .form-group {
    text-align: left;
}

.separator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.separator::before,
.separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ================================================================
   Page Type badges
   ================================================================ */

.page-type {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.page-type.v1 { background: var(--warning-bg); color: var(--warning); }
.page-type.v2 { background: var(--success-bg); color: var(--success); }
.page-type.group { background: var(--accent-light); color: var(--accent); }

/* ================================================================
   Alert
   ================================================================ */

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.alert-info { background: rgba(82, 168, 255, 0.1); color: var(--info); border: 1px solid rgba(82, 168, 255, 0.2); }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(62, 207, 142, 0.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 166, 35, 0.2); }
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(229, 72, 77, 0.2); }

/* ================================================================
   Toast
   ================================================================ */

#toasts {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    font-size: 0.85rem;
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ================================================================
   Toolbar
   ================================================================ */

.toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
}

.filter-group {
    display: flex;
    gap: 0.25rem;
}

.filter-btn {
    padding: 0.35rem 0.7rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover { background: var(--bg-hover); }
.filter-btn.active { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }

/* ================================================================
   Detail panel (side panel / modal)
   ================================================================ */

.detail-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    box-shadow: -4px 0 20px rgba(0,0,0,0.3);
    z-index: 200;
    overflow-y: auto;
    padding: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.detail-panel.open {
    transform: translateX(0);
}

.detail-panel .close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

/* ================================================================
   Tab Navigation
   ================================================================ */

.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.tab-btn {
    padding: 0.6rem 1.2rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ================================================================
   Tree view (menu structure)
   ================================================================ */

.tree-item {
    padding: 0.4rem 0;
    padding-left: calc(var(--depth, 0) * 1.2rem);
}

.tree-item-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}

.tree-item-content:hover {
    background: var(--bg-hover);
}

.tree-item-content.selected {
    background: var(--accent-light);
    border: 1px solid var(--accent);
}

.tree-icon {
    font-size: 0.9rem;
}

/* ================================================================
   Action bar (bottom sticky)
   ================================================================ */

.action-bar {
    position: sticky;
    bottom: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ================================================================
   Responsive
   ================================================================ */

@media (max-width: 768px) {
    main { padding: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-panel { width: 100%; }
    header { padding: 0.5rem 1rem; }
    .header-brand h1 { font-size: 0.9rem; }
    .brand-sub { display: none; }
}

/* ================================================================
   Scrollbar
   ================================================================ */

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ================================================================
   Modal (Feedback/Issue Overlay)
   ================================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    z-index: 500;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s ease;
}

.modal-dialog {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 1rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all var(--transition);
}

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

.modal-body {
    padding: 1.25rem;
}

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

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ================================================================
   Star Rating
   ================================================================ */

.star-rating {
    display: flex;
    gap: 0.25rem;
    font-size: 1.8rem;
    margin: 0.25rem 0;
}

.star-rating .star {
    cursor: pointer;
    color: var(--border);
    transition: color 0.15s, transform 0.15s;
    user-select: none;
}

.star-rating .star:hover,
.star-rating .star.active {
    color: #f5a623;
}

.star-rating .star:hover {
    transform: scale(1.15);
}

/* ================================================================
   Loading spinner
   ================================================================ */

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem;
    color: var(--text-secondary);
}

/* ================================================================
   Destination picker
   ================================================================ */

.destination-options {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: 0.25rem;
}

.destination-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    transition: background 0.15s;
}

.destination-option:hover {
    background: var(--bg-hover, rgba(255,255,255,0.05));
}

.destination-option input[type="radio"] {
    margin: 0;
    accent-color: var(--accent);
}

.destination-select {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
}

.destination-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ================================================================
   Batch Convert
   ================================================================ */

.batch-page-list {
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.batch-page-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.45rem 0.75rem;
    font-size: 0.82rem;
    border-bottom: 1px solid var(--border);
}

.batch-page-item:last-child {
    border-bottom: none;
}

.batch-page-num {
    color: var(--text-muted);
    font-size: 0.72rem;
    min-width: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

.batch-page-title {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.batch-page-path {
    color: var(--text-muted);
    font-size: 0.72rem;
    margin-left: auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
    flex-shrink: 0;
}

.batch-log {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 450px;
    overflow-y: auto;
}

.batch-log-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.82rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}

.batch-log-row:last-child {
    border-bottom: none;
}

.batch-log-row[data-status="running"] {
    background: var(--accent-light);
}

.batch-log-row[data-status="done"] {
    background: var(--success-bg);
}

.batch-log-row[data-status="failed"] {
    background: var(--danger-bg);
}

.batch-log-row[data-status="cancelled"] {
    opacity: 0.45;
}

.batch-log-num {
    color: var(--text-muted);
    font-size: 0.72rem;
    min-width: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

.batch-log-icon {
    flex-shrink: 0;
    width: 1.2rem;
    text-align: center;
}

.batch-log-title {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.batch-log-status {
    color: var(--text-secondary);
    font-size: 0.78rem;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 5rem;
    text-align: center;
}

.batch-log-duration {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-align: right;
    flex-shrink: 0;
    min-width: 3.5rem;
}

.batch-log-detail {
    color: var(--text-muted);
    font-size: 0.72rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
    flex-shrink: 0;
}