/* ==========================================================================
   Velocity Admin UI
   ========================================================================== */

:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-surface-hover: #22253a;
    --color-border: #2a2d3e;
    --color-text: #f0f1f5;
    --color-text-secondary: #a0a4b8;
    --color-primary: #FF5F1F;
    --color-primary-hover: #FF7A40;
    --color-primary-subtle: rgba(255, 95, 31, 0.15);
    --color-danger: #ef4444;
    --color-danger-hover: #f87171;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-input-bg: #13151f;
    --radius: 8px;
    --radius-sm: 4px;
    --sidebar-width: 240px;
    --header-height: 56px;
}

[data-theme="light"] {
    --color-bg: #f5f5f7;
    --color-surface: #ffffff;
    --color-surface-hover: #f0f0f2;
    --color-border: #e0e0e5;
    --color-text: #1a1a2e;
    --color-text-secondary: #6b7280;
    --color-input-bg: #f9f9fb;
}

[data-theme="light"] .sidebar {
    background: #ffffff;
}

[data-theme="light"] .sidebar-header img {
    filter: invert(1);
}

[data-theme="light"] .login-page {
    background: #f5f5f7;
}

[data-theme="light"] .confirm-overlay {
    background: rgba(0, 0, 0, 0.3);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 5px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.theme-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Login Page
   ========================================================================== */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--color-bg);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 40px 32px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.login-header p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

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

.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

.login-footer a:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--color-input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
}

.form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-danger);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--color-danger-hover);
}

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

.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

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

.btn-block {
    width: 100%;
}

/* ==========================================================================
   Admin Layout
   ========================================================================== */

.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 10px;
    height: var(--header-height);
}

.sidebar-header svg {
    flex-shrink: 0;
}

.sidebar-header span {
    font-weight: 700;
    font-size: 1.1rem;
}

.sidebar-section {
    padding: 4px 12px 0;
}

.sidebar-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    padding: 6px 8px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    border-radius: var(--radius-sm);
    user-select: none;
}

.sidebar-section-title:hover {
    background: var(--color-surface-hover);
}

.sidebar-section-title .chevron {
    transition: transform 0.15s;
    font-size: 0.65rem;
    opacity: 0.5;
}

.sidebar-section.collapsed .chevron {
    transform: rotate(-90deg);
}

.sidebar-section-items {
    overflow: hidden;
    transition: max-height 0.2s ease;
    max-height: 500px;
}

.sidebar-section.collapsed .sidebar-section-items {
    max-height: 0;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: all 0.15s;
    cursor: pointer;
}

.sidebar-link:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.sidebar-link.active {
    background: var(--color-primary-subtle);
    color: var(--color-primary);
}

.sidebar-link.add-type-link {
    border-top: 1px solid var(--color-border);
    margin-top: 4px;
    padding-top: 10px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.sidebar-link.add-type-link:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--color-border);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* Header */
.admin-header {
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.admin-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.tenant-select {
    padding: 6px 32px 6px 12px;
    background: var(--color-input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a0a4b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    cursor: pointer;
}

.tenant-select:focus {
    border-color: var(--color-primary);
}

.add-tenant-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    margin-left: -10px;
    margin-top: 2px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.add-tenant-btn:hover {
    color: var(--color-text);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--color-text);
}

.breadcrumb .separator {
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.breadcrumb .current {
    color: var(--color-text);
}

/* Main View Area */
.view-container {
    flex: 1;
    padding: 24px;
}

.view-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.view-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* ==========================================================================
   Dashboard
   ========================================================================== */

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
}

/* ==========================================================================
   Table
   ========================================================================== */

.table-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.table-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    text-align: left;
    padding: 12px 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

tbody td {
    padding: 12px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-border);
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--color-surface-hover);
}

.table-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

th.col-actions,
td.col-actions {
    text-align: right;
}

.action-link {
    background: none;
    border: none;
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0;
    text-decoration: none;
    transition: color 0.15s;
}

.action-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.action-sep {
    color: var(--color-border);
    font-size: 0.8rem;
    user-select: none;
}

.action-link.disabled {
    opacity: 0.25;
    cursor: default;
}

.action-link.danger {
    color: var(--color-primary);
}

.action-link.danger:hover {
    color: var(--color-danger);
    text-decoration: underline;
}

.table-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--color-text-secondary);
}

.folder-row td {
    color: var(--color-text-secondary);
}

.table-link {
    color: var(--color-primary);
    text-decoration: none;
    cursor: pointer;
}

.table-link:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Content Editor
   ========================================================================== */

.editor-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 220px);
}

.editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--color-border);
}

.editor-tabs {
    display: flex;
    gap: 4px;
}

.editor-tab {
    padding: 6px 16px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
}

.editor-tab:hover {
    background: var(--color-surface-hover);
}

.editor-tab.active {
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    border-color: rgba(255, 95, 31, 0.3);
}

.editor-actions {
    display: flex;
    gap: 8px;
}

.editor-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.editor-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border);
}

/* Form view */
.form-fields {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.form-fields .form-group textarea {
    min-height: 120px;
    resize: vertical;
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
    font-size: 0.85rem;
}

.form-fields .form-group:last-of-type {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-fields .form-group:last-of-type textarea {
    flex: 1;
}

/* Raw JSON view */
.raw-editor {
    width: 100%;
    min-height: 400px;
    flex: 1;
    padding: 16px;
    background: var(--color-input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    tab-size: 2;
}

.raw-editor:focus {
    border-color: var(--color-primary);
}

/* ==========================================================================
   Version History Panel
   ========================================================================== */

.history-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-family: inherit;
    font-size: 0.8rem;
    padding: 4px 12px;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.history-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.history-toggle.active {
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    border-color: rgba(255, 95, 31, 0.3);
}

.history-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.history-panel .history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 600;
}

.history-panel .history-header .text-muted {
    font-weight: 400;
}

.history-panel table {
    width: 100%;
    border-collapse: collapse;
}

.history-panel thead th {
    padding: 8px 16px;
    font-size: 0.7rem;
}

.history-panel tbody td {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.history-panel tbody tr.version-current {
    background: var(--color-primary-subtle);
}

.history-panel .version-id {
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
    font-size: 0.75rem;
}

.history-panel .version-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.history-viewing-banner {
    background: var(--color-primary-subtle);
    border: 1px solid rgba(255, 95, 31, 0.3);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-primary);
}

.history-viewing-banner button {
    background: none;
    border: 1px solid rgba(255, 95, 31, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.8rem;
    padding: 4px 10px;
    cursor: pointer;
}

.history-viewing-banner button:hover {
    background: rgba(255, 95, 31, 0.1);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-muted {
    color: var(--color-text-secondary);
}

.text-sm {
    font-size: 0.85rem;
}

.text-xs {
    font-size: 0.75rem;
}

.mono {
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
}

.badge {
    display: inline-flex;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: 10px;
}

.badge-live {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

.badge-draft {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.badge-pending {
    background: var(--color-primary-subtle);
    color: var(--color-primary);
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--color-text-secondary);
}

.confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.confirm-dialog {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 400px;
    width: 90%;
}

.confirm-dialog h3 {
    margin-bottom: 8px;
}

.confirm-dialog p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.confirm-dialog-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 20px;
    font-size: 0.85rem;
    z-index: 200;
    animation: slideUp 0.3s ease;
}

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

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

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

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

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.2s;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .dashboard-stats {
        grid-template-columns: 1fr 1fr;
    }
}