/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette de couleurs */
    --color-bg-main: #F5F1EA;
    --color-bg-card: #E4DDD2;
    --color-bg-hover: #E2D8CB;
    --color-text-main: #2B2621;
    --color-text-light: #6B635A;
    --color-accent: #B3A18E;
    --color-accent-dark: #9A8876;
    --color-border: #D4CCC0;
    --color-success: #8B9D83;
    --color-error: #B07D72;
    --color-warning: #C9A86A;

    /* Typographie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 17px;
    --font-size-small: 15px;
    --font-size-large: 20px;
    --font-size-h1: 32px;
    --font-size-h2: 26px;
    --font-size-h3: 22px;

    /* Espacements */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;

    /* Autres */
    --border-radius: 12px;
    --border-radius-small: 8px;
    --shadow-light: 0 2px 8px rgba(43, 38, 33, 0.06);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-bg-main);
}

/* Layout principal */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-right: 1px solid var(--color-border);
}

.sidebar-header {
    margin-bottom: var(--spacing-lg);
}

.sidebar-header h1 {
    font-size: var(--font-size-h2);
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: var(--spacing-xs);
}

.sidebar-header .user-name {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.sidebar nav ul {
    list-style: none;
}

.sidebar nav li {
    margin-bottom: var(--spacing-sm);
}

.sidebar nav a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-main);
    text-decoration: none;
    border-radius: var(--border-radius-small);
    transition: background-color 0.2s;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background-color: var(--color-bg-hover);
}

.sidebar nav a.active {
    font-weight: 500;
}

.sidebar-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.main-content {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Page de connexion */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-md);
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.login-card {
    background-color: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.login-card h1 {
    font-size: var(--font-size-h1);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.login-card .subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.login-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.login-info ul {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.login-info li {
    margin-bottom: var(--spacing-xs);
    font-family: monospace;
    font-size: 14px;
}

/* Formulaires */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text-main);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    transition: border-color 0.2s;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: var(--font-family);
    text-decoration: none;
    text-align: center;
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn:not(:disabled):active {
    transform: translateY(1px);
}

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

.btn-primary:not(:disabled):hover {
    background-color: var(--color-accent-dark);
    box-shadow: 0 2px 8px rgba(179, 161, 142, 0.3);
}

.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

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

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-small);
}

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

.btn-danger:not(:disabled):hover {
    background-color: #9D6A60;
}

.btn.loading {
    color: transparent;
}

.btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

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

/* Messages */
.error-message {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: var(--color-error);
    color: white;
    border-radius: var(--border-radius-small);
    text-align: center;
}

.success-message {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: var(--color-success);
    color: white;
    border-radius: var(--border-radius-small);
    text-align: center;
}

/* Cartes */
.card {
    background-color: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-light);
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.card-header h2 {
    font-size: var(--font-size-h2);
    font-weight: 600;
}

.card-header h3 {
    font-size: var(--font-size-h3);
    font-weight: 600;
}

.card-body {
    line-height: 1.7;
}

/* Grille */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Modals globaux */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(43, 38, 33, 0.5);
}

.modal-content {
    position: relative;
    background: var(--color-bg-main);
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: var(--color-bg-main);
    z-index: 1;
}

.modal-header h2 {
    font-size: var(--font-size-h2);
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: var(--color-text-light);
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--color-text-main);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.repas-section {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--border-radius-small);
    margin-bottom: var(--spacing-md);
}

.repas-section h4 {
    font-size: var(--font-size-large);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
}

/* Utilitaires */
.text-light {
    color: var(--color-text-light);
}

.text-small {
    font-size: var(--font-size-small);
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.text-center { text-align: center; }

/* Checkbox et radio personnalisés */
.checkbox-group,
.radio-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Mode tablette */
.tablet-mode .sidebar {
    display: none;
}

.tablet-mode .main-content {
    padding: var(--spacing-md);
}

/* Helpers visuels */
.help-text {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-top: 4px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-small);
    font-weight: 500;
}

.badge-info {
    background: var(--color-accent);
    color: white;
}

.badge-success {
    background: var(--color-success);
    color: white;
}

/* Focus visible pour l'accessibilité */
a:focus, button:focus, input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Sélection de texte */
::selection {
    background: var(--color-accent);
    color: white;
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    background: var(--color-accent);
    color: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    align-items: center;
    justify-content: center;
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(43, 38, 33, 0.5);
    z-index: 999;
}

/* Responsive - Mobile (< 768px) */
@media (max-width: 768px) {
    :root {
        --font-size-base: 16px;
        --font-size-h1: 28px;
        --font-size-h2: 24px;
        --font-size-h3: 20px;
    }

    body {
        font-size: 16px;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .app-container {
        flex-direction: row;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        border-right: 1px solid var(--color-border);
        border-bottom: none;
        padding: var(--spacing-lg);
        z-index: 1000;
        transition: left 0.3s ease;
        overflow-y: auto;
    }

    .sidebar.active {
        left: 0;
    }

    .mobile-overlay.active {
        display: block;
    }

    .sidebar-header {
        margin-top: 48px;
    }

    .sidebar nav ul {
        margin-top: var(--spacing-lg);
    }

    .sidebar nav a {
        padding: var(--spacing-md);
        font-size: 16px;
    }

    .main-content {
        padding: var(--spacing-md);
        padding-top: 72px;
        width: 100%;
    }

    /* Grilles */
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    /* Headers de page */
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .page-header h1 {
        font-size: var(--font-size-h1);
    }

    .page-header .btn,
    .page-header .header-actions {
        width: 100%;
    }

    .header-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header-actions .btn {
        width: 100%;
    }

    /* Modals */
    .modal-content {
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .modal-footer {
        padding: var(--spacing-md);
        position: sticky;
        bottom: 0;
        background: var(--color-bg-main);
    }

    /* Cartes */
    .card {
        padding: var(--spacing-md);
    }

    /* Boutons */
    .btn {
        padding: 14px var(--spacing-lg);
        font-size: 16px;
        min-height: 48px;
    }

    .btn-small {
        padding: 10px var(--spacing-md);
        min-height: 40px;
    }

    /* Formulaires */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px;
        padding: 12px var(--spacing-md);
        min-height: 48px;
    }

    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .form-actions .btn {
        width: 100%;
    }

    /* Calendrier */
    .calendar-days {
        gap: 4px;
    }

    .calendar-day {
        font-size: 14px;
        padding: 4px;
        min-height: 60px;
    }

    .day-number {
        font-size: 14px;
    }

    .day-indicators {
        font-size: 12px;
        gap: 2px;
    }

    /* Vue hebdomadaire calendrier */
    .week-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .week-day {
        min-height: auto;
    }

    /* Dashboard */
    .dashboard-header {
        margin-bottom: var(--spacing-md);
    }

    .dashboard-header h1 {
        font-size: var(--font-size-h1);
    }

    .date-info {
        font-size: 16px;
    }

    /* Tâches */
    .week-tasks {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .day-tasks-card {
        min-height: auto;
    }

    /* Courses */
    .course-item {
        padding: var(--spacing-md);
    }

    .btn-delete {
        padding: var(--spacing-sm);
        font-size: 20px;
    }

    /* Événements */
    .event-card {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .event-time {
        min-width: auto;
    }

    /* Disponibilités */
    .disponibilites-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }

    .day-dispo-card {
        min-height: 100px;
    }

    /* Paramètres */
    .user-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .user-item .btn {
        width: 100%;
    }

    /* Recettes */
    .recettes-grid {
        grid-template-columns: 1fr;
    }

    /* Navigation contrôles */
    .calendrier-controls,
    .month-navigation {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .view-switcher {
        width: 100%;
        justify-content: center;
    }

    .month-navigation {
        width: 100%;
        justify-content: center;
    }

    .current-month {
        min-width: auto;
        flex: 1;
    }

    /* Checkbox/Radio plus grands pour mobile */
    .checkbox-group input[type="checkbox"],
    .radio-group input[type="radio"] {
        width: 24px;
        height: 24px;
    }

    /* Toast plus petit sur mobile */
    .toast {
        right: 10px !important;
        left: 10px !important;
        max-width: none !important;
    }
}

/* Tablette (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --font-size-base: 16px;
    }

    .sidebar {
        width: 220px;
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .week-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .disponibilites-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .week-tasks {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Grande tablette / Petit desktop (1025px - 1280px) */
@media (min-width: 1025px) and (max-width: 1280px) {
    .main-content {
        max-width: 1200px;
    }
}