/* Variables CSS */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    --light-bg: #ecf0f1;
    --dark-bg: #34495e;
    --border-color: #bdc3c7;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

/* Container principal */
.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-bg) 100%);
    color: var(--white);
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Hub Return Button */
.hub-return {
    margin-left: auto;
    padding-left: 20px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hub-button {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hub-button:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hub-button:active {
    transform: translateY(0);
}
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo h1 {
    font-size: 2em;
    margin-bottom: 5px;
}

.logo p {
    font-size: 0.9em;
    opacity: 0.9;
}

.status-bar {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.status-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}

.status-label {
    font-weight: bold;
    margin-right: 5px;
}

.status-value {
    font-family: monospace;
}

/* Navigation Tabs */
.tabs {
    display: flex;
    background: var(--light-bg);
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.tab-button {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    color: var(--text-color);
    transition: all 0.3s ease;
    position: relative;
}

.tab-button:hover {
    background: rgba(52, 152, 219, 0.1);
}

.tab-button.active {
    background: var(--white);
    color: var(--secondary-color);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--secondary-color);
}

/* Content Area */
.content {
    padding: 30px;
    min-height: 500px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

/* Sections */
.section {
    margin-bottom: 30px;
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.section h3 {
    color: var(--primary-color);
    margin: 20px 0 15px 0;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1em;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Collapsible */
.collapsible {
    margin: 20px 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 15px;
    background: var(--light-bg);
}

.collapsible summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--secondary-color);
    user-select: none;
}

.collapsible summary:hover {
    color: var(--primary-color);
}

/* Buttons */
.button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background: #2980b9;
}

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

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

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

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

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    border-left: 4px solid var(--info-color);
    color: var(--info-color);
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--danger-color);
    color: var(--danger-color);
}

/* Results */
.results {
    margin-top: 30px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.results h3 {
    margin-top: 0;
}

#results-content {
    margin-top: 15px;
}

.recommendation-card {
    background: var(--white);
    padding: 20px;
    margin: 15px 0;
    border-radius: var(--radius);
    border-left: 4px solid var(--secondary-color);
    box-shadow: var(--shadow);
}

.recommendation-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.recommendation-card .score {
    display: inline-block;
    padding: 5px 15px;
    background: var(--success-color);
    color: var(--white);
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.recommendation-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.85em;
    color: var(--text-light);
    font-weight: 600;
}

.detail-value {
    font-size: 1.1em;
    color: var(--text-color);
    font-weight: 700;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.info-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow);
}

.info-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-card .info-value {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 10px 0;
}

.info-card .info-label {
    color: var(--text-light);
    font-size: 0.9em;
}

.info-card.success {
    border-color: var(--success-color);
    background: rgba(39, 174, 96, 0.05);
}

.info-card.warning {
    border-color: var(--warning-color);
    background: rgba(243, 156, 18, 0.05);
}

.info-card.danger {
    border-color: var(--danger-color);
    background: rgba(231, 76, 60, 0.05);
}

/* Upload Area */
.upload-area {
    margin: 20px 0;
}

.upload-box {
    border: 3px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--light-bg);
}

.upload-box:hover {
    border-color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.05);
}

.upload-icon {
    font-size: 4em;
    margin-bottom: 10px;
}

.upload-hint {
    color: var(--text-light);
    font-size: 0.9em;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: var(--light-bg);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--success-color));
    transition: width 0.3s ease;
    width: 0%;
}

/* File List */
.file-list {
    margin-top: 20px;
}

.file-item {
    background: var(--white);
    padding: 15px;
    margin: 10px 0;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-name {
    font-weight: 600;
    color: var(--text-color);
}

/* Footer */
.footer {
    background: var(--light-bg);
    padding: 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

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

.footer a:hover {
    text-decoration: underline;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
    }

    .status-bar {
        width: 100%;
        justify-content: center;
    }

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

    .tabs {
        flex-direction: column;
    }

    .tab-button {
        min-width: auto;
    }

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

/* Utilities */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-light);
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* Mare Search Styles */
.search-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 30px;
}

.search-section h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.search-box {
    position: relative;
}

#mare-search {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

#mare-search:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.search-results.show {
    display: block;
}

.search-result-item {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s ease;
}

.search-result-item:hover {
    background: #f8f9fa;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.search-result-details {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.search-result-detail {
    display: flex;
    align-items: center;
    gap: 4px;
}

.search-no-results {
    padding: 15px;
    text-align: center;
    color: var(--text-light);
}

.help-text {
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
}

.divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
    color: var(--text-light);
    font-weight: 600;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: var(--border-color);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--secondary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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