/* ============================================
   Thème cohérent clair/sombre
   Inspiré de VS Code et Bootstrap 5
   ============================================ */

/* Variables CSS pour le thème clair (par défaut) */
:root,
[data-bs-theme="light"] {
    /* Couleurs de fond */
    --app-bg-primary: #ffffff;
    --app-bg-secondary: #f8f9fa;
    --app-bg-tertiary: #e9ecef;
    --app-bg-elevated: #ffffff;
    
    /* Couleurs de texte */
    --app-text-primary: #212529;
    --app-text-secondary: #6c757d;
    --app-text-muted: #868e96;
    
    /* Bordures */
    --app-border-color: #dee2e6;
    --app-border-light: #e9ecef;
    
    /* Cartes et conteneurs */
    --app-card-bg: #ffffff;
    --app-card-border: #dee2e6;
    
    /* Tableaux */
    --app-table-bg: #ffffff;
    --app-table-stripe-odd: #f8f9fa;
    --app-table-stripe-even: #ffffff;
    --app-table-hover: #f1f3f5;
    --app-table-header-bg: #e9ecef;
    --app-table-header-text: #495057;
    
    /* Inputs */
    --app-input-bg: #ffffff;
    --app-input-border: #ced4da;
    --app-input-text: #212529;
    --app-input-focus-border: #86b7fe;
    --app-input-focus-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    
    /* Footer */
    --app-footer-bg: #f8f9fa;
    --app-footer-text: #6c757d;
    --app-footer-border: #dee2e6;
}

/* Variables CSS pour le thème sombre */
[data-bs-theme="dark"] {
    /* Couleurs de fond - Inspiré VS Code Dark+ */
    --app-bg-primary: #1e1e1e;
    --app-bg-secondary: #252526;
    --app-bg-tertiary: #2d2d30;
    --app-bg-elevated: #2d2d30;
    
    /* Couleurs de texte */
    --app-text-primary: #d4d4d4;
    --app-text-secondary: #9cdcfe;
    --app-text-muted: #858585;
    
    /* Bordures */
    --app-border-color: #3e3e42;
    --app-border-light: #454545;
    
    /* Cartes et conteneurs */
    --app-card-bg: #252526;
    --app-card-border: #3e3e42;
    
    /* Tableaux */
    --app-table-bg: #252526;
    --app-table-stripe-odd: #2d2d30;
    --app-table-stripe-even: #252526;
    --app-table-hover: #2a2d2e;
    --app-table-header-bg: #2d2d30;
    --app-table-header-text: #cccccc;
    
    /* Inputs */
    --app-input-bg: #3c3c3c;
    --app-input-border: #3e3e42;
    --app-input-text: #cccccc;
    --app-input-focus-border: #007acc;
    --app-input-focus-shadow: 0 0 0 0.25rem rgba(0, 122, 204, 0.25);
    
    /* Footer */
    --app-footer-bg: #252526;
    --app-footer-text: #858585;
    --app-footer-border: #3e3e42;
}

/* ============================================
   Application globale des styles
   ============================================ */

html,
body {
    height: 100%;
    background-color: var(--app-bg-primary);
    color: var(--app-text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 0.95rem;
    padding-bottom: 40px;
}

/* Container principal */
.container {
    background-color: var(--app-bg-primary);
}

/* ============================================
   Cartes
   ============================================ */

.card {
    background-color: var(--app-card-bg);
    border-color: var(--app-card-border);
    color: var(--app-text-primary);
    transition: all 0.3s ease;
}

.card-header {
    background-color: var(--app-bg-secondary);
    border-bottom-color: var(--app-card-border);
    color: var(--app-text-primary);
}

.card-body {
    background-color: var(--app-card-bg);
    color: var(--app-text-primary);
}

.card-footer {
    background-color: var(--app-bg-secondary);
    border-top-color: var(--app-card-border);
}

/* ============================================
   Tableaux
   ============================================ */

.table {
    --bs-table-bg: var(--app-table-bg);
    --bs-table-color: var(--app-text-primary);
    --bs-table-border-color: var(--app-border-color);
    background-color: var(--app-table-bg);
    color: var(--app-text-primary);
    border-color: var(--app-border-color);
}

.table thead th {
    background-color: var(--app-table-header-bg);
    color: var(--app-table-header-text);
    border-color: var(--app-border-color);
    font-weight: 600;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    --bs-table-bg-type: var(--app-table-stripe-odd);
    background-color: var(--app-table-stripe-odd);
    color: var(--app-text-primary);
}

.table-striped > tbody > tr:nth-of-type(even) > * {
    --bs-table-bg-type: var(--app-table-stripe-even);
    background-color: var(--app-table-stripe-even);
    color: var(--app-text-primary);
}

.table-hover > tbody > tr:hover > * {
    --bs-table-bg-state: var(--app-table-hover);
    background-color: var(--app-table-hover);
    color: var(--app-text-primary);
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--app-border-color);
}

/* En-têtes de table clairs (table-light) */
.table-light {
    --bs-table-bg: var(--app-table-header-bg);
    --bs-table-color: var(--app-table-header-text);
}

/* Lignes de total (table-secondary) - fond plus sombre en mode dark */
[data-bs-theme="dark"] .table-secondary,
[data-bs-theme="dark"] .table-secondary > td,
[data-bs-theme="dark"] .table-secondary > th {
    --bs-table-bg: #1a1a1a;
    background-color: #1a1a1a !important;
    color: #cccccc !important;
}

[data-bs-theme="dark"] .table-secondary:hover,
[data-bs-theme="dark"] .table-secondary:hover > td,
[data-bs-theme="dark"] .table-secondary:hover > th {
    color: #ffffff !important;
}

/* ============================================
   Formulaires
   ============================================ */

.form-control,
.form-select {
    background-color: var(--app-input-bg);
    border-color: var(--app-input-border);
    color: var(--app-input-text);
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--app-input-bg);
    border-color: var(--app-input-focus-border);
    color: var(--app-input-text);
    box-shadow: var(--app-input-focus-shadow);
}

.form-control::placeholder {
    color: var(--app-text-muted);
    opacity: 0.7;
}

.form-control:disabled,
.form-select:disabled {
    background-color: var(--app-bg-tertiary);
    opacity: 0.6;
}

.form-check-input {
    background-color: var(--app-input-bg);
    border-color: var(--app-input-border);
}

.form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.form-label {
    color: var(--app-text-primary);
    font-weight: 500;
}

/* ============================================
   Alertes et messages
   ============================================ */

.alert {
    border-color: var(--app-border-color);
}

/* Conserver les couleurs des alertes mais ajuster pour le dark mode */
[data-bs-theme="dark"] .alert-success {
    background-color: #1a3d2a;
    color: #a8e6a1;
    border-color: #2d5a3f;
}

[data-bs-theme="dark"] .alert-danger {
    background-color: #3d1a1a;
    color: #f8a8a8;
    border-color: #5a2d2d;
}

[data-bs-theme="dark"] .alert-warning {
    background-color: #3d3a1a;
    color: #f8e6a8;
    border-color: #5a542d;
}

[data-bs-theme="dark"] .alert-info {
    background-color: #1a2d3d;
    color: #a8d8f8;
    border-color: #2d4a5a;
}

/* ============================================
   Badges
   ============================================ */

.badge {
    font-weight: 500;
}

/* Amélioration des badges en mode sombre */
[data-bs-theme="dark"] .badge.bg-secondary {
    background-color: #4a4a4a !important;
    color: #e0e0e0;
}

/* ============================================
   Modales
   ============================================ */

.modal-content {
    background-color: var(--app-card-bg);
    border-color: var(--app-card-border);
    color: var(--app-text-primary);
}

.modal-header {
    background-color: var(--app-bg-secondary);
    border-bottom-color: var(--app-card-border);
    color: var(--app-text-primary);
}

.modal-footer {
    background-color: var(--app-bg-secondary);
    border-top-color: var(--app-card-border);
}

.btn-close {
    filter: var(--bs-btn-close-white-filter);
}

[data-bs-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ============================================
   Footer
   ============================================ */

footer.bg-light,
footer {
    background-color: var(--app-footer-bg) !important;
    color: var(--app-footer-text) !important;
    border-top: 1px solid var(--app-footer-border);
}

footer .text-muted {
    color: var(--app-footer-text) !important;
}

/* ============================================
   Accordéons
   ============================================ */

.accordion-item {
    background-color: var(--app-card-bg);
    border-color: var(--app-card-border);
    color: var(--app-text-primary);
}

.accordion-button {
    background-color: var(--app-bg-secondary);
    color: var(--app-text-primary);
}

.accordion-button:not(.collapsed) {
    background-color: var(--app-bg-tertiary);
    color: var(--app-text-primary);
}

.accordion-button::after {
    filter: var(--bs-accordion-btn-icon-filter);
}

[data-bs-theme="dark"] .accordion-button::after {
    filter: brightness(0) invert(1);
}

.accordion-body {
    background-color: var(--app-card-bg);
    color: var(--app-text-primary);
}

/* ============================================
   Boutons
   ============================================ */

/* Amélioration des boutons outline en mode sombre */
[data-bs-theme="dark"] .btn-outline-primary {
    color: #539bf5;
    border-color: #539bf5;
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
    background-color: #539bf5;
    border-color: #539bf5;
    color: #ffffff;
}

[data-bs-theme="dark"] .btn-outline-secondary {
    color: #858585;
    border-color: #858585;
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background-color: #858585;
    border-color: #858585;
    color: #1e1e1e;
}

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

/* Navbar toujours sombre pour une meilleure lisibilité */
.navbar-dark,
.navbar.bg-dark {
    background-color: #212529 !important;
}

[data-bs-theme="dark"] .navbar-dark,
[data-bs-theme="dark"] .navbar.bg-dark {
    background-color: #1a1a1a !important;
}

/* Améliorer le contraste des liens dans la navbar */
.navbar-dark .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
}

.navbar-dark .nav-link:hover,
.navbar-dark .nav-link:focus {
    color: rgba(255, 255, 255, 1) !important;
}

.navbar-dark .navbar-brand {
    color: #ffffff !important;
    font-weight: 600;
}

.navbar-dark .navbar-brand:hover {
    color: #f8f9fa !important;
}

/* Boutons outline dans la navbar */
.navbar-dark .btn-outline-light {
    color: #f8f9fa;
    border-color: rgba(248, 249, 250, 0.5);
}

.navbar-dark .btn-outline-light:hover {
    background-color: rgba(248, 249, 250, 0.1);
    border-color: #f8f9fa;
    color: #ffffff;
}

/* ============================================
   Scrollbars (WebKit - Chrome, Safari, Edge)
   ============================================ */

[data-bs-theme="dark"] ::-webkit-scrollbar {
    width: 14px;
    height: 14px;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: #424242;
    border: 3px solid #1e1e1e;
    border-radius: 7px;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: #4e4e4e;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-track {
    background-color: #1e1e1e;
}

/* ============================================
   Textes et typographie
   ============================================ */

.text-muted {
    color: var(--app-text-muted) !important;
}

.text-secondary {
    color: var(--app-text-secondary) !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--app-text-primary);
}

a {
    color: var(--app-text-secondary);
}

[data-bs-theme="dark"] a {
    color: #539bf5;
}

[data-bs-theme="dark"] a:hover {
    color: #6cb6ff;
}

/* ============================================
   Bordures et séparateurs
   ============================================ */

.border,
.border-top,
.border-end,
.border-bottom,
.border-start {
    border-color: var(--app-border-color) !important;
}

hr {
    border-color: var(--app-border-color);
    opacity: 0.5;
}

/* ============================================
   Classes utilitaires
   ============================================ */

.bg-light {
    background-color: var(--app-bg-secondary) !important;
    color: var(--app-text-primary) !important;
}

/* ============================================
   Transitions globales
   ============================================ */

* {
    transition-property: background-color, color, border-color;
    transition-duration: 0.2s;
    transition-timing-function: ease;
}

/* Exclure certains éléments des transitions */
.btn,
.form-control,
.form-select,
a,
.nav-link {
    transition-duration: 0.15s;
}

/* ============================================
   Améliorations spécifiques
   ============================================ */

/* Progress bars */
.progress {
    background-color: var(--app-bg-tertiary);
}

/* Dropdowns */
.dropdown-menu {
    background-color: var(--app-card-bg);
    border-color: var(--app-card-border);
}

.dropdown-item {
    color: var(--app-text-primary);
}

.dropdown-item:hover {
    background-color: var(--app-table-hover);
    color: var(--app-text-primary);
}

.dropdown-divider {
    border-color: var(--app-border-color);
}

/* Tooltips & Popovers */
.tooltip-inner {
    background-color: var(--app-bg-tertiary);
    color: var(--app-text-primary);
}

.popover {
    background-color: var(--app-card-bg);
    border-color: var(--app-card-border);
}

.popover-header {
    background-color: var(--app-bg-secondary);
    border-bottom-color: var(--app-card-border);
    color: var(--app-text-primary);
}

.popover-body {
    color: var(--app-text-primary);
}

/* ============================================
   Calendrier (Sessions)
   ============================================ */

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    padding: 8px;
    background: var(--app-bg-secondary);
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--app-text-primary);
}

.calendar-day {
    min-height: 80px;
    border: 1px solid var(--app-border-color);
    border-radius: 8px;
    padding: 8px;
    background: var(--app-card-bg);
    position: relative;
    transition: all 0.2s;
    color: var(--app-text-primary);
}

.calendar-day:hover {
    border-color: var(--bs-primary);
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.15);
}

[data-bs-theme="dark"] .calendar-day:hover {
    box-shadow: 0 2px 8px rgba(66, 153, 225, 0.3);
}

.calendar-day.empty {
    background: var(--app-bg-secondary);
    border-color: var(--app-border-color);
    opacity: 0.6;
}

.calendar-day.today {
    border: 2px solid var(--bs-primary);
    background: var(--bs-primary-bg-subtle);
}

.calendar-day.has-sessions {
    background: var(--bs-success-bg-subtle);
    border-color: var(--bs-success-border-subtle);
    cursor: pointer;
}

.calendar-day.has-sessions:hover {
    background: var(--bs-success-bg-subtle);
    filter: brightness(0.95);
    transform: scale(1.02);
}

[data-bs-theme="dark"] .calendar-day.has-sessions:hover {
    filter: brightness(1.15);
}

.calendar-day.selected {
    background: var(--bs-primary-bg-subtle);
    border: 3px solid var(--bs-primary);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

[data-bs-theme="dark"] .calendar-day.selected {
    box-shadow: 0 4px 12px rgba(66, 153, 225, 0.4);
}

.day-number {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 4px;
    color: var(--app-text-primary);
}

.session-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin: 2px;
}

.session-dot.bloc { 
    background: var(--bs-primary); 
}

.session-dot.libre { 
    background: var(--bs-success); 
}

.session-dot.fosse { 
    background: var(--bs-warning); 
}

.session-info {
    font-size: 0.75rem;
    color: var(--app-text-secondary);
    margin-top: 4px;
}

@media (max-width: 768px) {
    .calendar-grid {
        gap: 4px;
    }
    
    .calendar-day {
        min-height: 60px;
        padding: 4px;
    }
    
    .day-number {
        font-size: 0.75rem;
    }
}

/* ============================================
   Impression
   ============================================ */

@media print {
    [data-bs-theme="dark"] {
        --app-bg-primary: #ffffff;
        --app-text-primary: #000000;
        --app-card-bg: #ffffff;
        --app-table-bg: #ffffff;
    }
}