:root {
    --primary-color: #2d3748;
    --secondary-color: #4a5568;
    --accent-color: #4299e1;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --danger-color: #f56565;
    --dark-color: #1a202c;
    --light-color: #f7fafc;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 10px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: var(--light-color);
    min-height: 100vh;
    padding: 20px;
}

/* Écran de sécurité */
.security-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.security-modal {
    background: rgba(30, 41, 59, 0.95);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow);
    max-width: 500px;
    width: 90%;
}

.security-icon {
    font-size: 60px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.security-modal h2 {
    font-size: 28px;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--accent-color), #667eea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.security-status {
    margin: 30px 0;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.status-value.active {
    color: var(--success-color);
    font-weight: bold;
}

.security-btn {
    background: linear-gradient(90deg, var(--accent-color), #667eea);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 20px auto 0;
    transition: transform 0.3s;
}

.security-btn:hover {
    transform: translateY(-2px);
}

/* Interface principale */
.hidden {
    display: none !important;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

/* En-tête */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(30, 41, 59, 0.8);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
}

.logo i {
    color: var(--accent-color);
}

.version {
    font-size: 14px;
    background: var(--accent-color);
    padding: 4px 8px;
    border-radius: 20px;
    margin-left: 10px;
}

/* Contrôle vocal */
.voice-control {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mic-btn {
    background: linear-gradient(90deg, var(--danger-color), #ed64a6);
    color: white;
    border: none;
    width: 120px;
    padding: 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.mic-btn.listening {
    animation: pulse 1.5s infinite;
    background: linear-gradient(90deg, var(--success-color), #48dbb4);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.voice-status {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.volume-indicator {
    width: 200px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.volume-bar {
    height: 100%;
    background: var(--accent-color);
    width: 30%;
    transition: width 0.2s;
}

.backup-status {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(72, 187, 120, 0.2);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    border: 1px solid var(--success-color);
}

/* Contenu principal */
.main-content {
    display: grid;
    grid-template-columns: 300px 1fr 350px;
    gap: 20px;
    margin-bottom: 20px;
}

/* Section projets */
.projects-section, .system-section {
    background: rgba(30, 41, 59, 0.8);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.projects-section h2, .system-section h2 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-color);
}

.projects-list {
    min-height: 300px;
    margin-bottom: 20px;
}

.project-item {
    background: rgba(45, 55, 72, 0.5);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    border-left: 4px solid var(--accent-color);
    cursor: pointer;
    transition: all 0.3s;
}

.project-item:hover {
    transform: translateX(5px);
    background: rgba(45, 55, 72, 0.8);
}

.project-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.project-type {
    font-size: 12px;
    color: var(--accent-color);
    background: rgba(66, 153, 225, 0.2);
    padding: 3px 8px;
    border-radius: 20px;
    display: inline-block;
}

.action-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, var(--accent-color), #667eea);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
}

.action-btn:hover {
    transform: translateY(-2px);
}

/* Section chat */
.chat-section {
    background: rgba(30, 41, 59, 0.8);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color), #667eea);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.ai-info {
    flex: 1;
}

.ai-info h3 {
    font-size: 20px;
    margin-bottom: 5px;
}

.status {
    font-size: 14px;
    padding: 4px 8px;
    border-radius: 20px;
    background: rgba(72, 187, 120, 0.2);
    color: var(--success-color);
}

.security-badge {
    background: rgba(245, 101, 101, 0.2);
    color: var(--danger-color);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

/* Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    max-height: 400px;
    margin-bottom: 20px;
    padding-right: 10px;
}

.message {
    margin-bottom: 15px;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-content {
    background: rgba(45, 55, 72, 0.8);
    padding: 15px;
    border-radius: var(--border-radius);
    max-width: 80%;
    display: inline-block;
}

.ai-message .message-content {
    background: linear-gradient(135deg, var(--accent-color), #667eea);
}

.message-time {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 5px;
}

/* Input chat */
.chat-input-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.input-options {
    display: flex;
    gap: 5px;
}

.option-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.option-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

#chat-input {
    flex: 1;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    font-size: 16px;
}

#chat-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.send-btn {
    background: linear-gradient(90deg, var(--accent-color), #667eea);
    border: none;
    width: 50px;
    border-radius: var(--border-radius);
    color: white;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s;
}

.send-btn:hover {
    transform: translateY(-2px);
}

/* Commandes vocales */
.voice-commands {
    background: rgba(45, 55, 72, 0.5);
    padding: 15px;
    border-radius: var(--border-radius);
}

.voice-commands h4 {
    margin-bottom: 10px;
    font-size: 16px;
}

.commands-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.command-tag {
    background: rgba(66, 153, 225, 0.2);
    color: var(--accent-color);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid var(--accent-color);
}

/* Section système */
.system-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: rgba(45, 55, 72, 0.5);
    padding: 15px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-2px);
    background: rgba(45, 55, 72, 0.8);
}

.stat-card i {
    font-size: 24px;
    color: var(--accent-color);
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* Paramètres */
.protection-settings {
    margin-bottom: 20px;
}

.protection-settings h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.setting-item {
    background: rgba(45, 55, 72, 0.5);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.setting-item label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    width: 100%;
}

.setting-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-color);
}

/* Boutons d'urgence */
.emergency-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.emergency-btn {
    padding: 12px;
    background: rgba(45, 55, 72, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.emergency-btn:hover {
    transform: translateY(-2px);
    background: rgba(66, 153, 225, 0.8);
}

.lock-btn {
    background: rgba(245, 101, 101, 0.8);
}

.lock-btn:hover {
    background: rgba(245, 101, 101, 1);
}

/* Pied de page */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(30, 41, 59, 0.8);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(72, 187, 120, 0.2);
    padding: 8px 15px;
    border-radius: 20px;
}

.footer-right {
    display: flex;
    gap: 10px;
}

.footer-btn {
    background: rgba(45, 55, 72, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.footer-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: rgba(30, 41, 59, 0.95);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 2px solid var(--accent-color);
    max-width: 400px;
    width: 90%;
}

.modal-content h3 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

#project-name, #project-type {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    font-size: 16px;
}

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

.modal-btn {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.modal-btn:hover {
    transform: translateY(-2px);
}

/* Notifications */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.notification {
    background: rgba(30, 41, 59, 0.95);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    border-left: 4px solid var(--accent-color);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s;
    max-width: 300px;
}

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

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

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

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

/* Responsive */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .system-stats, .emergency-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
    }
    
    .footer {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .system-stats, .emergency-buttons {
        grid-template-columns: 1fr;
    }
}