/* ==========================================================================
   THS — Centralized Stylesheet
   All colors, spacing, and component styles in one place.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Brand */
    --color-primary: #4a90a4;
    --color-primary-hover: #3d7a8c;
    --color-primary-light: #eef5f8;

    /* Status */
    --color-success: #28a745;
    --color-success-hover: #218838;
    --color-success-bg: #d4edda;
    --color-success-border: #c3e6cb;
    --color-success-text: #155724;

    --color-danger: #dc3545;
    --color-danger-hover: #c82333;
    --color-danger-bg: #f8d7da;
    --color-danger-border: #f5c6cb;
    --color-danger-text: #721c24;

    --color-warning: #ffc107;
    --color-warning-bg: #fff3cd;
    --color-warning-border: #ffeeba;
    --color-warning-text: #856404;

    --color-info: #17a2b8;
    --color-info-bg: #cce5ff;

    /* Neutral */
    --color-secondary: #6c757d;
    --color-secondary-hover: #5a6268;
    --color-dark: #212529;

    --color-text: #333;
    --color-text-secondary: #555;
    --color-text-muted: #666;
    --color-text-disabled: #999;

    --color-bg: #f5f5f5;
    --color-bg-muted: #f8f9fa;
    --color-bg-white: #fff;

    --color-border: #ddd;
    --color-border-light: #eee;
    --color-border-medium: #e0e0e0;

    /* Guest/error */
    --color-error-bg: #fee;
    --color-error-border: #fcc;
    --color-error-text: #c00;

    /* Shared values */
    --radius: 4px;
    --radius-lg: 8px;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
        'Helvetica Neue', Arial, sans-serif;
}

/* --------------------------------------------------------------------------
   1b. Dark Theme Overrides
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
    /* Brand */
    --color-primary: #6bb8d0;
    --color-primary-hover: #89cce0;
    --color-primary-light: #1c2e33;

    /* Status */
    --color-success-bg: #1a2e1a;
    --color-success-border: #2d5a2d;
    --color-success-text: #8ee08e;
    --color-danger-bg: #2e1a1a;
    --color-danger-border: #5a2d2d;
    --color-danger-text: #f09090;
    --color-warning-bg: #2e2a1a;
    --color-warning-border: #5a4d2d;
    --color-warning-text: #f0d860;
    --color-info-bg: #1a2636;

    /* Neutral */
    --color-secondary: #9ca3ab;
    --color-secondary-hover: #b0b7bf;
    --color-dark: #e8e8e8;

    --color-text: #e8e8e8;
    --color-text-secondary: #c0c0c0;
    --color-text-muted: #a0a0a0;
    --color-text-disabled: #707070;

    --color-bg: #1a1a1a;
    --color-bg-muted: #2a2a2a;
    --color-bg-white: #222222;

    --color-border: #404040;
    --color-border-light: #333333;
    --color-border-medium: #444444;

    /* Guest/error */
    --color-error-bg: #2e1a1a;
    --color-error-border: #5a2d2d;
    --color-error-text: #f09090;
}

/* --------------------------------------------------------------------------
   2. Base / Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

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

/* --------------------------------------------------------------------------
   3. Layout — App (topbar + sidebar + content)
   -------------------------------------------------------------------------- */

/* Topbar */
.topbar {
    background-color: var(--color-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-brand {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
}
.topbar-brand:hover {
    color: white;
}
.topbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.topbar-user a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}
.topbar-user a:hover {
    color: white;
}

/* Topbar reminder badge */
.topbar-reminder {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    position: relative;
    font-size: 1rem;
}
.topbar-reminder:hover {
    color: white;
}
.reminder-count {
    background: var(--color-danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.35rem;
    border-radius: 9999px;
    vertical-align: super;
}

/* Theme toggle */
.theme-toggle {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.theme-toggle:hover {
    border-color: rgba(255, 255, 255, 0.6);
}

/* App layout: sidebar + content */
.app-layout {
    display: flex;
    min-height: calc(100vh - 41px);
}

/* Sidebar */
.sidebar {
    width: 220px;
    min-width: 220px;
    background: var(--color-bg-white);
    border-right: 1px solid var(--color-border-medium);
    padding: 0.75rem 0;
    overflow-y: auto;
    position: sticky;
    top: 41px;
    height: calc(100vh - 41px);
}

/* Sidebar nav */
.sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
}
.sidebar-nav > li > a,
.sidebar-nav > li > .nav-parent {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.875rem;
    border-left: 3px solid transparent;
    cursor: pointer;
}
.sidebar-nav > li > a:hover,
.sidebar-nav > li > .nav-parent:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
}
.sidebar-nav > li > a.active,
.sidebar-nav > li > .nav-parent.active {
    background-color: var(--color-primary-light);
    border-left-color: var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
}

/* Collapsible parent toggle */
.nav-parent {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-parent a {
    flex: 1;
    color: inherit;
    text-decoration: none;
}
.nav-parent .toggle-arrow {
    font-size: 0.5rem;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    transition: transform 0.2s;
}
.nav-parent .toggle-arrow.open {
    transform: rotate(180deg);
}

/* Child items */
.sidebar-nav .sub-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: none;
}
.sidebar-nav .sub-menu.open {
    display: block;
}
.sidebar-nav .sub-menu li a {
    display: block;
    padding: 0.35rem 1rem 0.35rem 2rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.8125rem;
}
.sidebar-nav .sub-menu li a:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
}
.sidebar-nav .sub-menu li a.active {
    color: var(--color-primary);
    font-weight: 600;
    background-color: var(--color-primary-light);
}

/* Main content */
.main-content {
    flex: 1;
    padding: 2rem;
    min-width: 0;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.page-header h1 {
    margin: 0;
    font-size: 1.75rem;
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   4. Layout — Guest (auth pages)
   -------------------------------------------------------------------------- */
body.guest-layout {
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-container {
    width: 100%;
    max-width: 520px;
    padding: 2rem;
}
.auth-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}
.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}
.auth-header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text);
}
.auth-links {
    text-align: center;
    margin-top: 1rem;
}
.auth-links a {
    color: var(--color-primary);
    text-decoration: none;
}
.auth-links a:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   5. Cards
   -------------------------------------------------------------------------- */
.card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.card-header {
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}
.card-title {
    margin: 0;
    font-size: 1.25rem;
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   6. Tables
   -------------------------------------------------------------------------- */
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}
.table th {
    background-color: var(--color-bg-muted);
    font-weight: 600;
    color: var(--color-text-secondary);
}
.table tbody tr:hover {
    background-color: var(--color-bg-muted);
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s;
}
.btn-primary {
    background-color: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
}
.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}
.btn-secondary:hover {
    background-color: var(--color-secondary-hover);
}
.btn-success {
    background-color: var(--color-success);
    color: white;
}
.btn-success:hover {
    background-color: var(--color-success-hover);
}
.btn-danger {
    background-color: var(--color-danger);
    color: white;
}
.btn-danger:hover {
    background-color: var(--color-danger-hover);
}
.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Guest layout full-width primary button */
.guest-layout .btn-primary {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* --------------------------------------------------------------------------
   8. Forms
   -------------------------------------------------------------------------- */
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}
.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    background-color: var(--color-bg-white);
    color: var(--color-text);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 164, 0.1);
}
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.form-check input {
    width: auto;
}
.form-check label {
    margin-bottom: 0;
    font-weight: normal;
}

/* Guest layout form inputs */
.guest-layout .form-group input {
    padding: 0.75rem;
}
.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.form-group-checkbox input {
    width: auto;
}
.form-group-checkbox label {
    margin-bottom: 0;
    font-weight: normal;
}

/* --------------------------------------------------------------------------
   9. Alerts
   -------------------------------------------------------------------------- */
.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}
.alert-success {
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success-text);
}
.alert-danger {
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-text);
}
.alert-warning {
    background-color: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    color: var(--color-warning-text);
}

/* Guest error list */
.error-list {
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
    color: var(--color-error-text);
}
.error-list ul {
    margin: 0;
    padding-left: 1.25rem;
}

/* --------------------------------------------------------------------------
   10. Badges
   -------------------------------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius);
}
.badge-success {
    background-color: var(--color-success);
    color: white;
}
.badge-danger {
    background-color: var(--color-danger);
    color: white;
}
.badge-secondary {
    background-color: var(--color-secondary);
    color: white;
}
.badge-warning {
    background-color: var(--color-warning);
    color: var(--color-dark);
}
.badge-info {
    background-color: var(--color-info);
    color: white;
}

/* --------------------------------------------------------------------------
   11. Pagination
   -------------------------------------------------------------------------- */
.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    gap: 0.25rem;
}
.pagination li a,
.pagination li span {
    display: block;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--color-primary);
}
.pagination li.active span {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}
.pagination li.disabled span {
    color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   12. Detail sections (members/show, vehicles/show)
   -------------------------------------------------------------------------- */
.detail-section {
    margin-bottom: 1.5rem;
}
.detail-section-header {
    background: var(--color-bg-muted);
    padding: 0.75rem 1rem;
    margin: -1.5rem -1.5rem 1rem -1.5rem;
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.detail-section-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}
.detail-section-header .toggle {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}
.detail-section-content {
    padding-top: 0.5rem;
}
.detail-section.collapsed .detail-section-content {
    display: none;
}
.detail-section.collapsed .toggle::after {
    content: '\25BC'; /* ▼ */
}
.detail-section:not(.collapsed) .toggle::after {
    content: '\25B2'; /* ▲ */
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.detail-item label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}
.detail-item .value {
    font-size: 0.95rem;
    color: var(--color-text);
}
.detail-item .value.empty {
    color: var(--color-text-disabled);
    font-style: italic;
}

.status-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Vehicle date status colours */
.date-expired {
    color: var(--color-danger);
    font-weight: 600;
}
.date-warning {
    color: var(--color-warning);
}
.date-ok {
    color: var(--color-success);
}

/* --------------------------------------------------------------------------
   13. Section card (tours/show)
   -------------------------------------------------------------------------- */
.section-card {
    margin-bottom: 1.5rem;
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border-light);
}
.section-header h3 {
    margin: 0;
    font-size: 1rem;
}

/* --------------------------------------------------------------------------
   14. Utility — Text
   -------------------------------------------------------------------------- */
.text-muted {
    color: var(--color-secondary);
}
.text-success {
    color: var(--color-success);
}
.text-danger {
    color: var(--color-danger);
}
.text-warning {
    color: var(--color-warning-text);
}
.text-right {
    text-align: right;
}
.text-truncate {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.pre-wrap {
    white-space: pre-wrap;
}
.font-mono {
    font-family: monospace;
}

/* --------------------------------------------------------------------------
   15. Utility — Layout
   -------------------------------------------------------------------------- */
.d-flex {
    display: flex;
}
.flex-1 {
    flex: 1;
}
.flex-2 {
    flex: 2;
}
.flex-wrap {
    flex-wrap: wrap;
}
.gap-2 {
    gap: 0.5rem;
}
.gap-3 {
    gap: 1rem;
}
.justify-between {
    justify-content: space-between;
}
.align-center {
    align-items: center;
}
.form-inline {
    display: inline;
}

/* --------------------------------------------------------------------------
   16. Utility — Spacing
   -------------------------------------------------------------------------- */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

/* --------------------------------------------------------------------------
   17. Utility — Semantic classes for common patterns
   -------------------------------------------------------------------------- */

/* Small muted label (inline usage) */
.field-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Block label with uppercase (standalone usage) */
.field-label-block {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}

/* Section title (h3 inside cards) */
.section-title {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--color-text);
}

/* Section title with top margin (not the first section) */
.section-title-spaced {
    margin: 1.5rem 0 1rem 0;
    font-size: 1rem;
    color: var(--color-text);
}

/* Subsection title (h4 inside detail sections) */
.subsection-title {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Neutral info box */
.box {
    padding: 0.75rem;
    background: var(--color-bg-muted);
    border-radius: var(--radius);
}
.box--success {
    background: var(--color-success-bg);
}
.box--warning {
    background: var(--color-warning-bg);
}
.box--info {
    background: var(--color-info-bg);
}

/* Muted background (readonly fields, code blocks) */
.bg-muted {
    background: var(--color-bg-muted);
}

/* Bordered fieldset-like container */
.fieldset {
    border: 1px solid var(--color-border);
    padding: 1rem;
    border-radius: var(--radius);
}

/* Semibold text */
.fw-semibold {
    font-weight: 600;
}

/* Category label (permission sections) */
.category-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Page footer (bottom metadata line) */
.page-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border-light);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Disabled / from-role label color */
.text-disabled {
    color: var(--color-text-disabled);
}

/* Min-width helpers for form checks */
.min-w-150 { min-width: 150px; }
.min-w-180 { min-width: 180px; }

/* --------------------------------------------------------------------------
   18. Transfer List (dual-panel permission picker)
   -------------------------------------------------------------------------- */
.transfer-list {
    display: flex;
    gap: 1rem;
}
.transfer-list-panel {
    flex: 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 200px;
    transition: border-color 0.15s, background-color 0.15s;
}
.transfer-list-header {
    background: var(--color-bg-muted);
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.transfer-list-count {
    font-weight: normal;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}
.transfer-list-body {
    max-height: 500px;
    overflow-y: auto;
    padding: 0.5rem;
}
.transfer-list-category {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    padding: 0.5rem 0.5rem 0.25rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.025em;
}
.transfer-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    cursor: grab;
    font-size: 0.875rem;
}
.transfer-list-item:hover {
    background: var(--color-bg-muted);
}
.transfer-list-item.dragging {
    opacity: 0.4;
}
.transfer-list-panel.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.transfer-list-btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 0.15rem 0.5rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1;
    flex-shrink: 0;
}
.transfer-list-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.transfer-list-empty {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    padding: 1rem;
    text-align: center;
}

@media (max-width: 768px) {
    .transfer-list {
        flex-direction: column;
    }
}

/* ==========================================================================
   Print styles
   ========================================================================== */
@media print {
    .topbar { display: none !important; }
    .sidebar { display: none !important; }
    .app-layout { display: block !important; }
    .main-content { padding: 0 !important; }
    .btn { display: none !important; }
    .alert { display: none !important; }
    .card { box-shadow: none !important; }
    .page-header { margin-bottom: 1rem !important; }
    .table th,
    .table td { padding: 0.2rem 0.5rem !important; }
    a { color: inherit !important; text-decoration: none !important; }
}