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

/* Variables CSS pour le thème */
:root {
    /* Couleurs du thème clair */
    --bg-primary: #ffffff;
    --bg-secondary: rgba(255, 255, 255, 0.95);
    --bg-tertiary: #f7fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-hover: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    
    --text-primary: #333333;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e0;
    --border-focus: #667eea;
    
    --shadow-primary: rgba(0, 0, 0, 0.1);
    --shadow-secondary: rgba(102, 126, 234, 0.4);
    
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #e53e3e;
    --info-color: #4299e1;
    
    --toggle-bg: #e2e8f0;
    --toggle-thumb: #ffffff;
    --toggle-border: #cbd5e0;
}

/* Variables CSS pour le thème sombre */
[data-theme="dark"] {
    --bg-primary: #1a202c;
    --bg-secondary: rgba(26, 32, 44, 0.95);
    --bg-tertiary: #2d3748;
    --bg-gradient: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%);
    --bg-gradient-hover: linear-gradient(135deg, #434190 0%, #4c1d95 100%);
    
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    
    --border-primary: #4a5568;
    --border-secondary: #2d3748;
    --border-focus: #4c51bf;
    
    --shadow-primary: rgba(0, 0, 0, 0.3);
    --shadow-secondary: rgba(76, 81, 191, 0.4);
    
    --success-color: #68d391;
    --warning-color: #f6ad55;
    --error-color: #fc8181;
    --info-color: #63b3ed;
    
    --toggle-bg: #4a5568;
    --toggle-thumb: #2d3748;
    --toggle-border: #2d3748;
}

/* Transition fluide pour le changement de thème */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px var(--shadow-primary);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-email {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-small {
    padding: 8px 12px;
    font-size: 0.85rem;
}

.header h1 {
    color: var(--text-secondary);
    font-size: 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header h1 i {
    color: var(--border-focus);
}

/* Toggle de thème */
.theme-toggle-container {
    display: flex;
    align-items: center;
}

.theme-toggle {
    position: relative;
    width: 60px;
    height: 32px;
    background: var(--toggle-bg);
    border: 2px solid var(--toggle-border);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px var(--shadow-primary);
}

.theme-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--border-focus);
}

.toggle-track {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
}

.toggle-thumb {
    position: absolute;
    left: 2px;
    width: 24px;
    height: 24px;
    background: var(--toggle-thumb);
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px var(--shadow-primary);
}

[data-theme="dark"] .toggle-thumb {
    transform: translateX(28px);
}

.toggle-icon {
    font-size: 12px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.sun-icon {
    color: #f6ad55;
    opacity: 1;
    transform: scale(1);
}

.moon-icon {
    color: #4c51bf;
    opacity: 0;
    transform: scale(0.8);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: scale(0.8);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: scale(1);
}

.header-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.date-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.week-display {
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 2px solid var(--border-primary);
    min-width: 200px;
    text-align: center;
}

.date-input {
    padding: 10px 15px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.date-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.view-toggle {
    display: flex;
    gap: 5px;
}

.view-toggle .btn-secondary {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.view-toggle .btn-secondary.active {
    background: var(--border-focus);
    color: white;
    border-color: var(--border-focus);
}

/* Boutons */
.btn-primary, .btn-secondary, .btn-icon {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--bg-gradient);
    color: white;
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-secondary);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-secondary);
}

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

.btn-danger:hover {
    background: #c53030;
}

.btn-icon {
    padding: 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-primary);
}

.btn-icon:hover {
    background: var(--bg-secondary);
    color: var(--border-focus);
}

/* Main content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.view-container {
    display: grid;
    gap: 30px;
    grid-template-columns: 1fr 2fr;
}

@media (max-width: 768px) {
    .view-container {
        grid-template-columns: 1fr;
    }
}

/* Panneau de contenu avec sélecteur */
.content-panel {
    display: flex;
    position: relative;
    height: calc(100vh - 250px);
    min-height: 450px;
}

/* Sélecteur vertical */
.view-selector {
    display: none; /* Caché par défaut, affiché via JS */
    flex-direction: column;
    gap: 10px;
    position: fixed; /* Positionnement par rapport à la fenêtre */
    right: 20px; /* Distance du bord droit de l'écran */
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

body.daily-view-active .view-selector {
    display: flex; /* Affiché uniquement sur la vue quotidienne */
}

.view-selector-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 80px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px var(--shadow-primary);
}

.view-selector-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px var(--shadow-primary);
}

.view-selector-btn.active {
    background: var(--border-focus);
    border-color: var(--border-focus);
    color: white;
    transform: scale(1.05);
}

.view-selector-btn i {
    font-size: 1.2rem;
}

.view-selector-btn span {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

#todoNotificationBadge {
    position: absolute;
    top: -7px;      /* Décale la pastille vers le haut, pour qu'elle déborde */
    right: -7px;    /* Décale la pastille vers la droite, pour qu'elle déborde */
    background: #e74c3c;
    color: #fff;
    border-radius: 50%;
    min-width: 20px;
    height: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    display: none; /* Affiché dynamiquement par JS */
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    line-height: 1;
    border: 2px solid #fff; /* Pour un effet de contour blanc comme sur l'exemple */
}

/* Pastille de notification */
.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #e74c3c;
    color: white;
    border-radius: 50%;
    min-width: 18px;
    height: 18px;
    font-size: 0.7rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

/* Conteneur des vues */
.view-content {
    flex: 1;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.view-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.view-panel.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

/* Formulaire de tâche */
.task-form-container {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
    height: fit-content;
}

.task-form-container h3 {
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.task-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Container des tâches */
.tasks-container {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
    flex-shrink: 0;
}

.tasks-header h2 {
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.stats {
    background: var(--bg-gradient);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Liste des tâches */
.tasks-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding-right: 5px;
    margin-bottom: 0;
}

/* Section des tâches ponctuelles d'aujourd'hui */
.today-tasks-container {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.today-tasks-header {
    margin-bottom: 20px;
    flex-shrink: 0;
}

.today-tasks-header h2 {
    color: var(--text-secondary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.today-tasks-header h2::before {
    content: '\f133';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--border-focus);
}

.today-task-form {
    margin-bottom: 20px;
    flex-shrink: 0;
}

.today-task-form .form-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.today-task-form .form-group input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.today-task-form .form-group input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.btn-small {
    padding: 12px 15px;
    font-size: 0.9rem;
    min-width: 45px;
}

.today-tasks-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    padding-right: 5px;
    margin-bottom: 0;
}

.today-task-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.today-task-item:hover {
    border-color: var(--border-secondary);
    box-shadow: 0 2px 8px var(--shadow-primary);
}

.today-task-item.completed {
    background: rgba(72, 187, 120, 0.1);
    border-color: var(--success-color);
    opacity: 0.7;
}

.today-task-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.today-task-checkbox.completed {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.today-task-checkbox.completed::after {
    content: '✓';
    font-size: 12px;
    font-weight: bold;
}

.today-task-text {
    flex: 1;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.4;
    transition: all 0.3s ease;
}

.today-task-item.completed .today-task-text {
    text-decoration: line-through;
    color: var(--text-muted);
}

.today-task-delete {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.today-task-delete:hover {
    opacity: 1;
    background: rgba(229, 62, 62, 0.1);
}

.today-task-item:hover .today-task-delete {
    opacity: 1;
}

/* Responsive pour les tâches d'aujourd'hui */
@media (max-width: 768px) {
    .content-panel {
        flex-direction: column;
        gap: 15px;
        height: auto;
        min-height: auto;
        position: relative;
    }
    
    .view-selector {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: center;
        gap: 10px;
        order: -1;
        margin-bottom: 15px;
    }
    
    .view-selector-btn {
        flex-direction: row;
        min-width: auto;
        padding: 10px 16px;
    }
    
    .view-selector-btn span {
        font-size: 0.9rem;
    }
    
    .view-content {
        min-height: 400px;
        height: auto;
        padding-right: 0;
    }
    
    .view-panel {
        position: relative;
        opacity: 1;
        transform: none;
        pointer-events: all;
        display: none;
        height: auto;
    }
    
    .view-panel.active {
        display: block;
    }
    
    .tasks-container,
    .today-tasks-container {
        height: auto;
        min-height: 400px;
        overflow: visible;
    }
    
    .today-task-form .form-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .today-task-form .form-group input {
        margin-bottom: 10px;
    }
    
    .btn-small {
        align-self: flex-end;
        width: fit-content;
    }
    
    .today-tasks-list {
        max-height: 300px;
        padding-right: 5px;
    }
}

/* Liste des tâches */
.tasks-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 60vh;
    overflow-y: auto;
    padding-right: 10px;
}

.task-item {
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    color: var(--text-muted);
}

.task-item:hover {
    border-color: var(--border-secondary);
    box-shadow: 0 4px 12px var(--shadow-primary);
}

.task-item.completed {
    background: rgba(72, 187, 120, 0.1);
    border-color: var(--success-color);
}

.task-item.partial {
    background: rgba(237, 137, 54, 0.1);
    border-color: var(--warning-color);
}

.task-item.not-done {
    background: rgba(229, 62, 62, 0.1);
    border-color: var(--error-color);
}

.task-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.task-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.task-checkbox.completed {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.task-checkbox.partial {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

.task-checkbox.not-done {
    background: var(--error-color);
    border-color: var(--error-color);
    color: white;
}

.task-checkbox.empty {
    background: var(--bg-primary);
    border-color: var(--border-primary);
    color: var(--text-muted);
}

.task-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    flex: 1;
}

.task-description {
    color: var(--text-muted);
    margin-left: 39px;
    line-height: 1.5;
}

.task-note {
    color: var(--error-color);
    margin-left: 39px;
    line-height: 1.5;
    font-style: italic;
    font-size: 0.9rem;
    background: var(--bg-tertiary);
    padding: 8px 12px;
    border-radius: 6px;
    margin-top: 8px;
}

.task-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.task-item:hover .task-actions {
    opacity: 1;
}

.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.action-btn:hover {
    background: var(--bg-tertiary);
}

.action-btn.edit {
    color: var(--border-focus);
}

.action-btn.delete {
    color: var(--error-color);
}

/* État vide */
.no-tasks {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.no-tasks i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--border-primary);
}

.no-tasks p {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.no-tasks p:last-child {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Vue Historique */
.history-controls {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
    height: fit-content;
}

.period-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.period-selector label {
    font-weight: 600;
    color: var(--text-secondary);
}

.history-container {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
}

.history-header {
    margin-bottom: 20px;
}

.history-header h2 {
    color: var(--text-secondary);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.status-legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.history-table {
    overflow-x: auto;
}

.history-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-primary);
}

.history-table th,
.history-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

.history-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
}

.history-table tr:hover {
    background: var(--bg-tertiary);
}

.history-table .task-name {
    font-weight: 600;
    color: var(--text-secondary);
}

.history-table .date-cell {
    font-weight: 500;
    color: var(--text-secondary);
}

.history-table .status-cell {
    position: relative;
}

.percentage-cell {
    font-weight: bold;
    text-align: center;
    background-color: var(--bg-tertiary);
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 12px;
    font-weight: bold;
}

.status-indicator.completed {
    background: var(--success-color);
    color: white;
}

.status-indicator.partial {
    background: var(--warning-color);
    color: white;
}

.status-indicator.not-done {
    background: var(--error-color);
    color: white;
}

.status-indicator.empty {
    background: var(--border-primary);
    color: var(--text-muted);
}

/* Modal de validation */
.validation-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.validation-status {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.validation-status label {
    font-weight: 600;
    color: var(--text-secondary);
}

.status-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.status-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
}

.status-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-primary);
}

.status-btn.completed {
    border-color: var(--success-color);
    color: var(--success-color);
}

.status-btn.completed:hover,
.status-btn.completed.active {
    background: var(--success-color);
    color: white;
}

.status-btn.partial {
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.status-btn.partial:hover,
.status-btn.partial.active {
    background: var(--warning-color);
    color: white;
}

.status-btn.not-done {
    border-color: var(--error-color);
    color: var(--error-color);
}

.status-btn.not-done:hover,
.status-btn.not-done.active {
    background: var(--error-color);
    color: white;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px var(--shadow-primary);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .date-selector {
        justify-content: center;
    }
    
    .view-toggle {
        justify-content: center;
    }
    
    .task-form-container,
    .tasks-container,
    .history-controls,
    .history-container {
        padding: 20px;
    }
    
    .tasks-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .task-item {
        padding: 15px;
    }
    
    .task-actions {
        position: static;
        opacity: 1;
        margin-top: 10px;
        justify-content: flex-end;
    }
    
    .period-selector {
        flex-direction: column;
        align-items: stretch;
    }
    
    .history-table {
        font-size: 0.9rem;
    }
    
    .history-table th,
    .history-table td {
        padding: 8px 10px;
    }
    
    .status-legend {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .status-buttons {
        flex-direction: column;
    }
    
    .status-btn {
        min-width: auto;
    }
    
    .modal-content {
        padding: 20px;
        margin: 20px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-item {
    animation: fadeIn 0.3s ease;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Scrollbar personnalisée pour la liste des tâches */
.tasks-list::-webkit-scrollbar {
    width: 8px;
}

.tasks-list::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.tasks-list::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 4px;
}

.tasks-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Vue Calendrier (Heatmap) */
#heatmapView {
    grid-template-columns: 1fr; /* S'assurer que ça prend toute la largeur */
}

.heatmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    background: var(--bg-secondary);
    border-radius: 15px;
    box-shadow: 0 8px 32px var(--shadow-primary);
}

.heatmap-grid {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
    overflow-x: auto;
}

.heatmap-wrapper {
    display: inline-block;
    color: var(--text-secondary);
}

.heatmap-months {
    display: grid;
    grid-template-columns: repeat(53, 18px);
    gap: 2px;
    margin-left: 30px; /* Pour aligner avec les cellules */
    margin-bottom: 5px;
    font-size: 0.7rem;
}

.heatmap-graph {
    display: flex;
    gap: 10px;
}

.heatmap-weekdays {
    display: grid;
    grid-template-rows: repeat(7, 18px);
    gap: 2px;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.heatmap-cells {
    display: grid;
    grid-template-rows: repeat(7, 18px);
    grid-auto-flow: column;
    gap: 2px;
}

.heatmap-cell {
    width: 18px;
    height: 18px;
    background-color: var(--bg-tertiary);
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

.heatmap-cell:not(.spacer):hover {
    outline: 1px solid var(--shadow-primary);
}

.heatmap-cell.level-0 { background-color: var(--bg-tertiary); }
.heatmap-cell.level-1 { background-color: #9be9a8; }
.heatmap-cell.level-2 { background-color: #40c463; }
.heatmap-cell.level-3 { background-color: #30a14e; }
.heatmap-cell.level-4 { background-color: #216e39; }

.heatmap-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 5px;
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.heatmap-cell.legend-cell {
    width: 16px;
    height: 16px;
}

/* Vue Statistiques */
#statsView {
    display: none; /* Caché par défaut */
    flex-direction: column;
    gap: 20px;
}

.stats-header {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
}

.stats-header h2 {
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.stats-note-header {
    font-size: 0.8rem;
    color: var(--text-color-secondary);
    text-align: center;
    margin-top: 5px;
    font-style: italic;
    opacity: 0.8;
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow-primary);
    min-height: 380px;
    display: flex;
    flex-direction: column;
    max-width: 100%;
}

.stat-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    text-align: center;
}

/* Animation du toggle */
.theme-toggle.toggling {
    transform: scale(1.1);
}

/* Couleurs du heatmap adaptées au thème */
.heatmap-cell.level-0 { 
    background-color: var(--bg-tertiary); 
}

.heatmap-cell.level-1 { 
    background-color: #9be9a8; 
}

.heatmap-cell.level-2 { 
    background-color: #40c463; 
}

.heatmap-cell.level-3 { 
    background-color: #30a14e; 
}

.heatmap-cell.level-4 { 
    background-color: #216e39; 
}

/* Styles pour le focus mode toggle */
.focus-mode-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.focus-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-primary);
    transition: 0.3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--bg-primary);
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px var(--shadow-primary);
}

input:checked + .slider {
    background-color: var(--border-focus);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Amélioration de l'accessibilité */
.theme-toggle:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

/* Responsive pour le header */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .theme-toggle-container {
        align-self: center;
    }
    
    .header-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .date-selector {
        justify-content: center;
    }
    
    .view-toggle {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .focus-mode-toggle {
        justify-content: center;
    }
}

/* Amélioration des transitions pour éviter le flash */
html {
    transition: none;
}

body {
    transition: background 0.3s ease, color 0.3s ease;
}

/* Optimisation pour les éléments qui ne doivent pas avoir de transition */
.theme-toggle,
.toggle-thumb,
.toggle-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 1400px) {
    .view-selector {
        right: 15px;
    }
}

@media (max-width: 1200px) {
    .view-selector {
        /* Pour les écrans plus petits, on cache les boutons flottants 
           et on les remet dans le flux normal plus bas */
        display: none;
    }

    body.daily-view-active .view-selector-mobile {
        display: flex;
    }
}

/* Duplication du sélecteur pour mobile, qui apparaîtra dans le flux normal */
.view-selector-mobile {
    display: none;
    flex-direction: row;
    justify-content: center;
    gap: 10px;
    order: -1;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .content-panel {
        flex-direction: column;
        gap: 15px;
        height: auto;
        min-height: auto;
        position: relative;
    }

    .view-selector-mobile {
        display: flex;
    }
    
    .view-selector-btn {
        flex-direction: row;
        min-width: auto;
        padding: 10px 16px;
    }

    .view-selector-btn:hover,
    .view-selector-btn.active {
        transform: none;
    }
    
    .view-selector-btn span {
        font-size: 0.9rem;
    }
    
    .view-content {
        min-height: 400px;
        height: auto;
    }
    
    .view-panel {
        position: relative;
        opacity: 1;
        transform: none;
        pointer-events: all;
        display: none;
        height: auto;
    }
    
    .view-panel.active {
        display: block;
    }
    
    .tasks-container,
    .today-tasks-container {
        height: auto;
        min-height: 400px;
        overflow: visible;
    }
    
    .today-task-form .form-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .today-task-form .form-group input {
        margin-bottom: 10px;
    }
    
    .btn-small {
        align-self: flex-end;
        width: fit-content;
    }
    
    .today-tasks-list {
        max-height: 300px;
    }
}

.confirm-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.25);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.confirm-modal {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    padding: 32px 28px 22px 28px;
    min-width: 320px;
    max-width: 90vw;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.confirm-modal-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #222;
}
.confirm-modal-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 10px;
}
.confirm-modal-btn {
    padding: 10px 22px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.confirm-modal-btn.cancel { background: #eee; color: #333; }
.confirm-modal-btn.danger { background: #e74c3c; color: #fff; }

#signupConfirmPassword {
    background: #e3ebfc;
} 

.auth-btn, .auth-btn .btn-text {
    color: #222 !important;
    font-weight: 600;
    font-size: 1.1rem;
    opacity: 1 !important;
    visibility: visible !important;
}

.auth-btn {
    width: 100%;
    padding: 14px 0;
    background: #f4f8ff !important;
    color: #2563eb !important;
    border: 1.5px solid #dbeafe;
    font-weight: 600;
    font-size: 1.08rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px #e0e7ef44;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
    letter-spacing: 0.02em;
    opacity: 1 !important;
}
.auth-btn:hover, .auth-btn:focus {
    background: #e0e7ef !important;
    color: #1e40af !important;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 16px #dbeafe55;
}
.auth-btn:disabled {
    background: #e2e8f0;
    color: #b0b0b0 !important;
    cursor: not-allowed;
    box-shadow: none;
}

.sortable-ghost {
    opacity: 0.5;
    background: #dbeafe;
}

.info-bubble-container {
    position: relative;
    display: inline-block;
}
.info-bubble-btn {
    background: none;
    border: none;
    padding: 0 2px;
    margin-left: 4px;
    font-size: 1.1em;
    cursor: pointer;
    color: #2563eb;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    transition: background 0.15s;
}
.info-bubble-btn:focus {
    outline: 2px solid #2563eb;
    background: #e0e7ef;
}
.info-bubble {
    position: absolute;
    left: 50%;
    top: 120%;
    transform: translateX(-50%) translateY(8px);
    opacity: 0;
    pointer-events: none;
    min-width: 120px;
    max-width: 400px;
    max-width: 95vw;
    max-height: 180px;
    padding: 10px 14px;
    background: #232b3a;
    color: #f3f6fa;
    border-radius: 8px;
    box-shadow: 0 4px 24px #0007;
    font-size: 1em;
    font-weight: 500;
    line-height: 1.5;
    word-break: break-word;
    overflow-wrap: break-word;
    overflow-y: auto;
    z-index: 1000;
    transition: opacity 0.18s, transform 0.18s;
    box-sizing: border-box;
    white-space: pre-line;
    display: block;
}
.info-bubble.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.info-bubble::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%) translateY(-100%);
    border-width: 7px 7px 0 7px;
    border-style: solid;
    border-color: #232b3a transparent transparent transparent;
}

[data-theme="dark"] .view-selector-btn,
[data-theme="dark"] .view-selector-btn span,
[data-theme="dark"] .view-selector-btn.active {
    color: #fff !important;
}