/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-brand i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Main Content */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.section {
    display: none;
    padding: 4rem 0;
}

.section.active {
    display: block;
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    color: #667eea;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon {
    font-size: 8rem;
    color: #667eea;
    opacity: 0.8;
}

/* Features Section */
.features {
    margin-top: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.4);
}

/* Survey Styles */
.survey-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-top: 1rem;
}

.survey-container {
    max-width: 800px;
    margin: 0 auto;
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: #e2e8f0;
    z-index: 1;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    background: white;
    padding: 0 1rem;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.progress-step.active .step-number {
    background: #667eea;
    color: white;
}

.progress-step.completed .step-number {
    background: #48bb78;
    color: white;
}

.step-label {
    font-size: 0.875rem;
    color: #666;
    text-align: center;
    font-weight: 500;
}

.progress-step.active .step-label {
    color: #667eea;
    font-weight: 600;
}

.survey-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.form-step {
    display: none;
}

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

.form-step h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #333;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.875rem;
}

.radio-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.radio-label:hover {
    border-color: #667eea;
}

.radio-label input[type="radio"]:checked + span {
    color: #667eea;
    font-weight: 600;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.checkbox-label:hover {
    background-color: #f7fafc;
}

.privacy-notice {
    background: #ebf8ff;
    border: 1px solid #bee3f8;
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-top: 1rem;
}

.privacy-notice i {
    color: #3182ce;
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.privacy-notice h4 {
    color: #2c5282;
    margin-bottom: 0.5rem;
}

.privacy-notice p {
    color: #4a5568;
    font-size: 0.875rem;
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

/* Information Section */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-icon {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.info-card ul {
    list-style: none;
}

.info-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
    position: relative;
    padding-left: 1.5rem;
}

.info-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #48bb78;
    font-weight: bold;
}

.info-card li:last-child {
    border-bottom: none;
}

/* Admin Section */
.admin-login {
    max-width: 400px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-form {
    margin-top: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2rem;
    color: #667eea;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: #666;
    font-size: 0.875rem;
}

.dashboard-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.chart-container {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.chart-container h3 {
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.dashboard-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.responses-table {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.responses-table h3 {
    padding: 1.5rem;
    margin: 0;
    border-bottom: 1px solid #e2e8f0;
    color: #333;
    font-weight: 600;
}

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

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #333;
}

tr:hover {
    background-color: #f8fafc;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
    color: #a0aec0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.25);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.modal-header h2 {
    color: #333;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-header i {
    color: #48bb78;
}

.modal-body {
    padding: 1.5rem;
    color: #666;
    line-height: 1.6;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #e2e8f0;
    text-align: right;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #667eea;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-icon {
        font-size: 4rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .progress-bar {
        flex-direction: column;
        gap: 1rem;
    }

    .progress-bar::before {
        display: none;
    }

    .progress-step {
        flex-direction: row;
        gap: 1rem;
    }

    .step-label {
        text-align: left;
    }

    .radio-group {
        flex-direction: column;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .form-navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .dashboard-charts {
        grid-template-columns: 1fr;
    }

    .dashboard-actions {
        justify-content: center;
    }
}

/* Styles pour les nouvelles fonctionnalités du tableau de bord */
.admin-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 300px;
}

.admin-notification.show {
    transform: translateX(0);
}

.admin-notification i {
    font-size: 1.2rem;
}

/* Amélioration des graphiques */
.chart-container {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.chart-container h3 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Amélioration du tableau des réponses */
.table-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

#responses-table {
    width: 100%;
    border-collapse: collapse;
}

#responses-table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

#responses-table td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

#responses-table tr:hover {
    background-color: #f8fafc;
}

/* Bouton de suppression */
.btn-delete {
    background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.btn-delete:hover {
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(229, 62, 62, 0.3);
}

.btn-delete i {
    font-size: 0.875rem;
}

/* Animation pour les nouvelles réponses */
@keyframes highlightNew {
    0% {
        background-color: #43e97b;
        color: white;
    }
    100% {
        background-color: transparent;
        color: inherit;
    }
}

.new-response {
    animation: highlightNew 2s ease;
}

/* Animation pour la suppression */
@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-100%);
    }
}

.deleting {
    animation: fadeOut 0.5s ease forwards;
}

/* Responsive pour les graphiques */
@media (max-width: 768px) {
    .dashboard-charts {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        padding: 1rem;
    }
    
    #responses-table {
        font-size: 0.9rem;
    }
    
    #responses-table th,
    #responses-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .btn-delete {
        width: 28px;
        height: 28px;
    }
    
    .btn-delete i {
        font-size: 0.75rem;
    }
    
    .admin-notification {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .survey-form {
        padding: 1rem;
    }

    .feature-card,
    .info-card {
        padding: 1.5rem;
    }
}