/* ========================================
   AIC Pro v4.0 - Styles Principaux
   ======================================== */

/* === Variables CSS === */
:root {
    /* Couleurs principales */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Couleurs de statut */
    --status-confirmed: #10b981;
    --status-pending: #f59e0b;
    --status-critical: #ef4444;
    --status-active: #3b82f6;
    
    /* Couleurs neutres */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Rayons de bordure */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* === Reset et Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* === Header === */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo i {
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
}

.logo .version {
    font-size: 0.875rem;
    font-weight: 400;
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-md);
    margin-left: var(--spacing-sm);
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.project-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.project-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    opacity: 0.9;
}

.status-active {
    color: var(--secondary-color);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.125rem;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

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

/* === Navigation Tabs === */
.nav-tabs {
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 86px;
    z-index: 99;
    box-shadow: var(--shadow-sm);
}

.tabs-container {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.tabs-container::-webkit-scrollbar {
    height: 4px;
}

.tabs-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--transition-fast);
    position: relative;
}

.tab-btn i {
    font-size: 1rem;
}

.tab-btn .badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.tab-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.tab-btn.active .badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* === Main Content === */
.main-content {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 300px);
}

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

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

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

.content-header {
    margin-bottom: var(--spacing-2xl);
}

.content-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.content-header h2 i {
    color: var(--primary-color);
}

.content-header .subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* === Cards === */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: 0;
}

.card-header h3 i {
    color: var(--primary-color);
}

.card-body {
    padding: var(--spacing-xl);
}

/* === Grid Layout === */
.grid-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }
}

/* === Info Rows === */
.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

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

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

.info-row .value {
    color: var(--text-primary);
    text-align: right;
}

/* === Problématique === */
.problematique {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
}

/* === Hypothèses === */
.hypothesis-item {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary-color);
}

.hypothesis-item:last-child {
    margin-bottom: 0;
}

.hypothesis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.hypothesis-code {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--primary-color);
}

.hypothesis-status {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.status-confirmed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--status-confirmed);
}

.status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--status-pending);
}

.hypothesis-text {
    color: var(--text-primary);
    line-height: 1.6;
}

/* === Timeline === */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--bg-primary);
}

.timeline-marker.timeline-important {
    background: var(--accent-color);
    width: 16px;
    height: 16px;
    left: -2.625rem;
}

.timeline-marker.timeline-critical {
    background: var(--danger-color);
    width: 18px;
    height: 18px;
    left: -2.6875rem;
    animation: pulse-critical 2s ease-in-out infinite;
}

@keyframes pulse-critical {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
}

.timeline-content {
    padding-left: var(--spacing-md);
}

.timeline-date {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* === Actors Grid === */
.actors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.actor-card {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
}

.actor-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.actor-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.actor-location {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.actor-stats {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.actor-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* === Institutions List === */
.institutions-list ul {
    list-style: none;
    padding: 0;
}

.institutions-list li {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.institutions-list li i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* === Footer === */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.footer-content p:last-child {
    margin-bottom: 0;
    opacity: 0.7;
    font-size: 0.875rem;
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .project-info {
        order: 3;
        width: 100%;
        margin-top: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header {
        padding: var(--spacing-md) 0;
    }
    
    .logo h1 {
        font-size: 1.25rem;
    }
    
    .nav-tabs {
        top: 70px;
    }
    
    .tab-btn span:not(.badge) {
        display: none;
    }
    
    .tab-btn {
        padding: var(--spacing-md);
    }
    
    .content-header h2 {
        font-size: 1.5rem;
    }
    
    .content-header .subtitle {
        font-size: 1rem;
    }
    
    .card-body {
        padding: var(--spacing-lg);
    }
    
    .actors-grid {
        grid-template-columns: 1fr;
    }
}

/* === Utility Classes === */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }
.mb-3 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-xl); }
.mt-3 { margin-top: var(--spacing-2xl); }

/* === Analyse Terrain Modules === */
.analyse-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.analyse-tab-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.analyse-tab-btn:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.analyse-tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.analyse-module {
    display: none;
}

.analyse-module.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

.analyse-module-header {
    margin-bottom: 2rem;
}

.btn-compteur {
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid white;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-compteur:hover {
    background: white;
    color: var(--primary-color);
    transform: scale(1.1);
}

.btn-compteur:active {
    transform: scale(0.95);
}

/* === GPX Module === */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    background: var(--bg-secondary);
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-2px);
}

.upload-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    border-style: solid;
}

.upload-zone i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.gpx-stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.gpx-stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.gpx-stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.gpx-stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.gpx-tracks-list {
    display: grid;
    gap: 1.5rem;
}

.gpx-track-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
}

.gpx-track-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.gpx-track-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.gpx-track-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.gpx-track-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.gpx-track-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.gpx-stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.gpx-stat-item-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gpx-stat-item-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.gpx-speed-profile {
    margin-bottom: 1.5rem;
}

.gpx-speed-profile h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.speed-bars {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.speed-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.speed-bar-label {
    min-width: 80px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.speed-bar-container {
    flex: 1;
    height: 20px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.speed-bar-fill {
    height: 100%;
    border-radius: 10px;
    transition: width var(--transition-base);
}

.speed-bar-percentage {
    min-width: 45px;
    text-align: right;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.gpx-conflict-zones {
    margin-bottom: 1.5rem;
}

.gpx-conflict-zones h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.conflict-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.conflict-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}

.conflict-item.warning {
    background: rgba(245, 158, 11, 0.1);
    border-left: 3px solid var(--accent-color);
}

.conflict-item.danger {
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--danger-color);
}

.conflict-item.info {
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid var(--primary-color);
}

.conflict-item i {
    font-size: 1.125rem;
}

.conflict-item.warning i {
    color: var(--accent-color);
}

.conflict-item.danger i {
    color: var(--danger-color);
}

.conflict-item.info i {
    color: var(--primary-color);
}

.conflict-description {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.conflict-location {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.gpx-track-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-icon-small {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.btn-icon-small:hover {
    background: var(--bg-secondary);
}

/* === Module Média - Photos & Audio === */

/* Galerie photos */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.photo-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    background: white;
}

.photo-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.photo-card img {
    cursor: pointer;
    transition: transform var(--transition-base);
}

.photo-card img:hover {
    transform: scale(1.05);
}

/* Enregistrement audio en cours */
.audio-recording-indicator {
    animation: pulse-recording 2s infinite;
}

@keyframes pulse-recording {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.audio-recording-dot {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%, 75% {
        opacity: 0.3;
    }
}

/* Carte audio */
.audio-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    background: var(--bg-secondary);
    transition: all var(--transition-base);
}

.audio-card:hover {
    box-shadow: var(--shadow-md);
}

.audio-card audio {
    width: 100%;
    margin: 0.75rem 0;
}

/* Spinner de chargement photos */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Modal plein écran pour photos */
.photo-fullscreen {
    background: rgba(0, 0, 0, 0.95);
}

.photo-fullscreen img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

/* Boutons média */
.btn-media {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-media:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Badge compteur média */
.media-counter {
    background: var(--primary-color);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.25rem;
}