/**
 * TFC Manager - Admin Styles
 *
 * NOTE: Theme variables (colors, typography, spacing) are defined in admin-theme.css
 * This file maps legacy variables to the theme system for backward compatibility.
 * To customize your school's colors, edit admin-theme.css (not this file).
 */

:root {
    /* Legacy Color Mappings → Theme Variables */
    /* These bridge the old variable names to the new theme system */
    --primary-50: var(--color-primary-pale);
    --primary-100: var(--color-primary-pale);
    --primary-200: #e9d5ff;
    --primary-300: #d8b4fe;
    --primary-400: #c084fc;
    --primary-500: var(--color-primary-light);
    --primary-600: var(--color-primary);
    --primary-700: var(--color-primary-dark);
    --primary-800: var(--color-primary-dark);
    --primary-900: var(--color-secondary);

    /* Gray scale (unchanged - neutral colors don't need theming) */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Status Colors → Theme Variables */
    --success: var(--color-success);
    --success-light: var(--color-success-light);
    --warning: var(--color-warning);
    --warning-light: var(--color-warning-light);
    --danger: var(--color-danger);
    --danger-light: var(--color-danger-light);
    --info: var(--color-info);
    --info-light: var(--color-info-light);

    /* Spacing (kept for backward compatibility, theme uses --space-*) */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;

    /* Layout */
    --sidebar-width: 250px;
    --header-height: 60px;

    /* Legacy school variables (kept for views that still reference them) */
    --school-purple: var(--color-primary);
    --school-black: var(--color-secondary);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--gray-100);
    margin: 0;
    padding: 0;
}

a {
    color: var(--primary-600);
    text-decoration: none;
}

a:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    gap: var(--spacing-2);
}

.btn-primary {
    background-color: var(--primary-600);
    color: #ffffff;
}

a.btn-primary {
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: var(--primary-700);
    color: #ffffff;
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
}

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

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

.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-link {
    background: none;
    color: var(--primary-600);
    padding: var(--spacing-1) var(--spacing-2);
}

.btn-link:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

.btn-group {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
}

.btn-edit {
    background-color: var(--primary-100);
    color: var(--primary-700);
    border: 1px solid var(--primary-200);
}

.btn-edit:hover {
    background-color: var(--primary-200);
}

.btn-delete-action {
    background-color: var(--danger-light);
    color: var(--danger);
    border: 1px solid #fca5a5;
}

.btn-delete-action:hover {
    background-color: var(--danger);
    color: #ffffff;
}

/* ============================================================================
   TABLES
   ============================================================================ */

.data-table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table th,
.data-table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table th {
    background-color: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.data-table tbody tr:hover {
    background-color: var(--gray-50);
}

.actions-cell {
    white-space: nowrap;
    display: flex;
    gap: var(--spacing-2);
}

.inline-form {
    display: inline;
    margin: 0;
}

.table-footer {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--gray-200);
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form {
    max-width: 800px;
}

.form-section {
    margin-bottom: var(--spacing-8);
    padding-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin: 0 0 var(--spacing-2);
}

.form-section-description {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin: 0 0 var(--spacing-4);
}

.form-row {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.form-group {
    margin-bottom: var(--spacing-4);
    flex: 1;
}

.form-group-half {
    flex: 0 0 calc(50% - var(--spacing-2));
}

.form-group-third {
    flex: 0 0 calc(33.333% - var(--spacing-3));
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--gray-800);
    background-color: #ffffff;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-input.input-error,
.form-select.input-error {
    border-color: var(--danger);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-help-text {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: var(--spacing-1);
}

.error-text {
    font-size: var(--font-size-xs);
    color: var(--danger);
    margin-top: var(--spacing-1);
    display: block;
}

.form-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.form-checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary-600);
}

.form-actions {
    display: flex;
    gap: var(--spacing-3);
    padding-top: var(--spacing-4);
}

/* Checkbox Grid for Event Preferences */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
}

.checkbox-group {
    background-color: var(--gray-50);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
}

.checkbox-group-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin: 0 0 var(--spacing-3);
    padding-bottom: var(--spacing-2);
    border-bottom: 1px solid var(--gray-200);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) 0;
    cursor: pointer;
    font-size: var(--font-size-sm);
}

/* ============================================================================
   MESSAGES
   ============================================================================ */

.message-banner {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.message-success {
    background-color: var(--success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message-error {
    background-color: var(--danger-light);
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.message-warning {
    background-color: var(--warning-light);
    color: #92400e;
    border: 1px solid #fcd34d;
}

.message-info {
    background-color: var(--info-light);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.error-list {
    margin: var(--spacing-2) 0 0;
    padding-left: var(--spacing-6);
}

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-md);
}

.badge-success {
    background-color: var(--success-light);
    color: #065f46;
}

.badge-danger {
    background-color: var(--danger-light);
    color: #991b1b;
}

.badge-warning {
    background-color: var(--warning-light);
    color: #92400e;
}

/* ============================================================================
   FILTERS
   ============================================================================ */

.filter-bar {
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-4);
    background-color: var(--gray-50);
    border-radius: var(--radius-lg);
}

.filter-form {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.filter-group label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--gray-600);
}

.filter-select {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background-color: #ffffff;
    min-width: 150px;
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-8);
    color: var(--gray-500);
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-4);
}

.empty-state p {
    margin-bottom: var(--spacing-2);
}

.empty-state a:not(.btn) {
    color: var(--primary-600);
}

.empty-state a:not(.btn):hover {
    text-decoration: underline;
}

/* ============================================================================
   ADMIN LAYOUT
   ============================================================================ */

.page-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
}

.sidebar-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--gray-700);
}

.sidebar-header-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.sidebar-header-link:hover {
    color: #fff;
    text-decoration: none;
}

.admin-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-lg);
    object-fit: contain;
}

.admin-default-logo {
    width: 36px;
    height: 36px;
    background: var(--primary-600);
    border-radius: var(--radius-lg);
    padding: 6px;
}

.admin-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--gray-300);
    text-decoration: none;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-1);
    transition: all 0.15s;
}

.sidebar-link:hover {
    background: var(--gray-800);
    color: #fff;
    text-decoration: none;
}

.sidebar-link.active {
    background: var(--primary-600);
    color: #fff;
}

.sidebar-link i {
    width: 20px;
    text-align: center;
}

.admin-section-separator {
    border-top: 1px solid var(--gray-700);
    margin: var(--spacing-4) 0;
}

.logout-section {
    margin-top: auto;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--gray-700);
}

.logout-form {
    margin: 0;
}

.logout-button {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    text-align: left;
}

.content-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-header {
    background: #fff;
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
}

.welcome-message {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.page-content {
    flex: 1;
    padding: var(--spacing-6);
    background: var(--gray-100);
}

.main-content {
    flex: 1;
    padding: var(--spacing-6);
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

.text-muted {
    color: var(--gray-500);
}

.text-primary {
    color: var(--primary-600);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

/* Hamburger button — hidden on desktop */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    padding: 0.5rem 0.65rem;
    font-size: 1.15rem;
    color: var(--gray-700);
    cursor: pointer;
    line-height: 1;
}
.mobile-menu-toggle:hover {
    background: var(--gray-100);
}

/* Sidebar backdrop overlay */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
}
.sidebar-backdrop.visible {
    display: block;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: inline-flex;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        z-index: 100;
        height: 100vh;
        width: 260px;
        transition: left 0.3s ease;
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar.open ~ .sidebar-backdrop {
        display: block;
    }

    .content-wrapper {
        margin-left: 0 !important;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .welcome-message {
        font-size: 0.85rem;
    }

    .form-row {
        flex-direction: column;
    }

    .form-group-half,
    .form-group-third {
        flex: 1;
    }

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

    .actions-cell {
        flex-wrap: wrap;
    }

    /* Make tables scroll horizontally on mobile */
    .data-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Stack page header actions */
    .page-header-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}