/* Mobile App Frontend - Styles */

/* Variables CSS */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

.mobile-app-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #f8f9fa;
    min-height: 100vh;
}

/* Authentification */
.auth-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    max-width: 400px;
    margin: 50px auto;
}

.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--light-color);
}

.auth-tab {
    flex: 1;
    padding: 15px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-color);
    transition: var(--transition);
}

.auth-tab.active {
    color: var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form h2 {
    text-align: center;
    color: var(--dark-color);
    margin-bottom: 30px;
}

/* Formulaires */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--light-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
}

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

/* Boutons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--light-color);
    color: var(--dark-color);
}

.btn-secondary:hover {
    background: #bdc3c7;
}

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

.btn-success:hover {
    background: #229954;
}

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

.btn-warning:hover {
    background: #e67e22;
}

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

.btn-danger:hover {
    background: #c0392b;
}

/* Application principale */
.app-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.app-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-header h1 {
    margin: 0;
    font-size: 24px;
}

/* Navigation */
.app-nav {
    display: flex;
    background: var(--light-color);
    border-bottom: 1px solid #ddd;
}

.nav-btn {
    flex: 1;
    padding: 15px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-color);
    transition: var(--transition);
}

.nav-btn.active {
    background: var(--secondary-color);
    color: white;
}

.nav-btn:hover {
    background: var(--secondary-color);
    color: white;
}

/* Contenu */
.app-content {
    padding: 20px;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

/* Tableau de bord */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.stat-card h3 {
    margin: 0 0 10px 0;
    color: var(--dark-color);
    font-size: 18px;
}

.stat-card span {
    font-size: 36px;
    font-weight: bold;
    color: var(--secondary-color);
}

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

.section-header h2 {
    margin: 0;
    color: var(--dark-color);
}

/* Liste d'éléments */
.items-list {
    display: grid;
    gap: 20px;
}

.item-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
    transition: var(--transition);
}

.item-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.item-header h3 {
    margin: 0;
    color: var(--dark-color);
    font-size: 18px;
}

.item-description {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
}

.item-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.unread-badge {
    background: var(--danger-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}

/* Détails des événements */
.event-details {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.event-date,
.event-members {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Chat */
.chat-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: 80vh;
    display: flex;
    flex-direction: column;
}

.chat-header {
    background: var(--primary-color);
    color: white;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.chat-header h3 {
    margin: 0;
    flex: 1;
}

.messages-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f8f9fa;
}

.message {
    margin-bottom: 15px;
    padding: 15px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 80%;
}

.message.own-message {
    margin-left: auto;
    background: var(--secondary-color);
    color: white;
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.message-author {
    font-weight: 600;
}

.message-date {
    opacity: 0.7;
}

.message-content {
    line-height: 1.5;
    word-wrap: break-word;
}

.message-attachment {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.download-attachment {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
}

.message.own-message .download-attachment {
    color: white;
}

.message-actions {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.message-actions button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    opacity: 0.7;
    transition: var(--transition);
}

.message-actions button:hover {
    opacity: 1;
}

.message-input-container {
    padding: 20px;
    background: white;
    border-top: 1px solid #ddd;
    display: flex;
    gap: 10px;
    align-items: center;
}

#message-input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--light-color);
    border-radius: var(--border-radius);
    font-size: 16px;
}

#message-input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #aaa;
}

.close:hover {
    color: var(--dark-color);
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 600;
    z-index: 1001;
    max-width: 300px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.3s ease;
}

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

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

.notification-warning {
    background: var(--warning-color);
}

.notification-info {
    background: var(--secondary-color);
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    margin-left: 10px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* États vides */
.no-items,
.no-messages {
    text-align: center;
    color: #666;
    font-style: italic;
    padding: 40px;
}

/* Profil */
.profile-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
}

.profile-card h3 {
    margin: 0 0 20px 0;
    color: var(--dark-color);
}

.profile-info p {
    margin: 10px 0;
    padding: 10px;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.profile-info strong {
    color: var(--dark-color);
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-app-container {
        padding: 10px;
    }
    
    .auth-container {
        margin: 20px auto;
        padding: 20px;
    }
    
    .app-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .app-nav {
        flex-wrap: wrap;
    }
    
    .nav-btn {
        min-width: 120px;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .item-actions {
        flex-direction: column;
    }
    
    .event-details {
        flex-direction: column;
        gap: 10px;
    }
    
    .chat-container {
        height: 70vh;
    }
    
    .message {
        max-width: 95%;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }
    
    .notification {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .auth-tabs {
        flex-direction: column;
    }
    
    .auth-tab {
        border-bottom: 1px solid var(--light-color);
    }
    
    .auth-tab.active {
        border-bottom: 2px solid var(--secondary-color);
    }
    
    .app-nav {
        flex-direction: column;
    }
    
    .nav-btn {
        border-bottom: 1px solid #ddd;
    }
}