/**
 * RESPONSIVE.CSS - Adaptations multi-écrans
 * Mobile-first, breakpoints, grilles adaptatives
 * @version 4.0.0
 */

/* ===========================
   VARIABLES RESPONSIVE
   =========================== */

:root {
    /* Breakpoints */
    --mobile-small: 320px;
    --mobile: 480px;
    --tablet: 768px;
    --desktop: 992px;
    --desktop-large: 1200px;
    --desktop-xl: 1400px;
    
    /* Espacements adaptatifs */
    --spacing-responsive-xs: clamp(0.25rem, 0.5vw, 0.5rem);
    --spacing-responsive-sm: clamp(0.5rem, 1vw, 1rem);
    --spacing-responsive-md: clamp(1rem, 2vw, 2rem);
    --spacing-responsive-lg: clamp(1.5rem, 3vw, 3rem);
    --spacing-responsive-xl: clamp(2rem, 4vw, 4rem);
    
    /* Tailles de police fluides */
    --font-size-responsive-xs: clamp(0.75rem, 0.8vw, 0.875rem);
    --font-size-responsive-sm: clamp(0.875rem, 1vw, 1rem);
    --font-size-responsive-base: clamp(1rem, 1.2vw, 1.125rem);
    --font-size-responsive-lg: clamp(1.125rem, 1.5vw, 1.25rem);
    --font-size-responsive-xl: clamp(1.25rem, 2vw, 1.5rem);
    --font-size-responsive-2xl: clamp(1.5rem, 3vw, 2rem);
    --font-size-responsive-3xl: clamp(2rem, 4vw, 3rem);
}

/* ===========================
   MOBILE FIRST - BASE
   =========================== */

/* Mobile très petit (320px+) */
body {
    font-size: var(--font-size-responsive-sm);
    line-height: 1.6;
}

.container {
    padding: 0 var(--spacing-responsive-sm);
}

/* Headers responsive */
h1 { font-size: var(--font-size-responsive-2xl); }
h2 { font-size: var(--font-size-responsive-xl); }
h3 { font-size: var(--font-size-responsive-lg); }
h4 { font-size: var(--font-size-responsive-base); }
h5 { font-size: var(--font-size-responsive-sm); }
h6 { font-size: var(--font-size-responsive-xs); }

/* Navigation mobile */
.header-nav {
    flex-direction: column;
    gap: var(--spacing-responsive-sm);
    padding: var(--spacing-responsive-sm);
}

.header-brand {
    text-align: center;
    margin-bottom: var(--spacing-responsive-sm);
}

.header-search {
    order: 2;
    width: 100%;
}

.header-right {
    order: 3;
    justify-content: center;
    flex-wrap: wrap;
}

/* Boutons adaptatifs */
.btn {
    font-size: var(--font-size-responsive-xs);
    padding: var(--spacing-responsive-sm);
    min-height: 44px; /* Touch target minimum */
}

.btn-sm {
    font-size: 0.75rem;
    padding: var(--spacing-responsive-xs);
    min-height: 36px;
}

.btn-lg {
    font-size: var(--font-size-responsive-base);
    padding: var(--spacing-responsive-md);
    min-height: 52px;
    margin: 2px 20px;
}

/* Grille responsive */
.voyages-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-responsive-md);
}

.flags-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-responsive-sm);
}

/* Cartes adaptatives */
.voyage-card,
.card {
    margin-bottom: var(--spacing-responsive-md);
}

.voyage-card-image {
    height: 150px;
}

/* Description des cartes compactes - Mobile */
.voyage-card-compact .voyage-card-description:not([style]) {
    font-size: var(--font-size-responsive-xs);
    margin: var(--spacing-responsive-xs) 0;
    padding: var(--spacing-responsive-xs);
    -webkit-line-clamp: 3; /* Plus de lignes sur mobile */
}

/* Formulaires responsive */
.form-row {
    flex-direction: column;
    gap: var(--spacing-responsive-sm);
}

.form-control {
    padding: var(--spacing-responsive-sm);
    font-size: var(--font-size-responsive-sm);
    min-height: 44px;
}

/* ===========================
   MOBILE PAYSAGE - 480px+
   =========================== */

@media (min-width: 480px) {
    .container {
        padding: 0 var(--spacing-responsive-md);
    }
    
    .header-nav {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }
    
    .header-brand {
        text-align: left;
        margin-bottom: 0;
        flex: 1;
    }
    
    .header-search {
        order: 0;
        width: auto;
        flex: 2;
        max-width: 300px;
    }
    
    .header-right {
        order: 0;
        justify-content: flex-end;
        flex: 1;
    }
    
    .voyages-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .flags-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .voyage-card-image {
        height: 180px;
    }
    
    /* Description des cartes compactes - Tablet */
    .voyage-card-compact .voyage-card-description:not([style]) {
        font-size: 0.8rem;
        -webkit-line-clamp: 2; /* Retour à 2 lignes sur tablet */
    }
    
    .btn-group {
        flex-direction: row;
    }
    
    .btn-group .btn {
        margin-bottom: 0;
        border-radius: 0;
    }
    
    .btn-group .btn:first-child {
        border-radius: var(--radius-md) 0 0 var(--radius-md);
    }
    
    .btn-group .btn:last-child {
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
    }
}

/* ===========================
   TABLETTE - 768px+
   =========================== */

@media (min-width: 768px) {
    body {
        font-size: var(--font-size-responsive-base);
    }
    
    .container {
        max-width: 720px;
        margin: 0 auto;
    }
    
    /* Header tablette */
    .header-nav {
        flex-wrap: nowrap;
        padding: var(--spacing-responsive-md) var(--spacing-responsive-lg);
    }
    
    .header-search {
        max-width: 400px;
    }
    
    /* Navigation voyage */
    .voyage-header {
        position: sticky;
        top: 0;
        z-index: 100;
    }
    
    .voyage-container {
        flex-direction: row;
        height: calc(100vh - 80px);
    }
    
    .sidebar {
        width: var(--sidebar-width);
        flex-shrink: 0;
    }
    
    .main-area {
        flex: 1;
        overflow: hidden;
    }
    
    /* Grilles tablette */
    .voyages-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--spacing-responsive-lg);
    }
    
    .flags-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: var(--spacing-responsive-md);
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Cartes voyage */
    .voyage-card-image {
        height: 200px;
    }
    
    /* Description des cartes compactes - Desktop */
    .voyage-card-compact .voyage-card-description:not([style]) {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
        overflow: auto;
        max-height: 180px;
    }
    
    .voyage-selected {
        flex-direction: row;
        text-align: left;
    }
    
    /* Vue voyage */
    .content-split {
        grid-template-columns: 1fr 400px;
    }
    
    .etapes-container {
        border-left: 1px solid var(--border-light);
    }
    
    /* Timeline */
    .timeline-day {
        margin-bottom: var(--spacing-responsive-xl);
    }
    
    .timeline-marker {
        width: 60px;
        height: 60px;
        font-size: 1.1rem;
    }
    
    /* Chronologie */
    .chronology-step {
        min-width: 180px;
        max-width: 220px;
    }
    
    .chronology-marker {
        width: 70px;
        height: 70px;
        font-size: 1.3rem;
    }
    
    /* Formulaires */
    .form-row {
        flex-direction: row;
        gap: var(--spacing-responsive-md);
    }
    
    .modal-dialog {
        max-width: 600px;
        margin: var(--spacing-responsive-lg) auto;
    }
    
    .step-indicators {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Notifications */
    .notifications-container {
        top: 100px;
        right: var(--spacing-responsive-lg);
        max-width: 400px;
    }
}

/* ===========================
   ÉCRANS MOYENS - 900px à 992px
   =========================== */

@media (min-width: 900px) and (max-width: 991px) {
    /* S'assurer que les étapes restent visibles sur les écrans moyens */
    .etapes-container.desktop-only {
        display: flex !important;
        flex-direction: column;
        width: 350px; /* Réduire légèrement la largeur */
    }
    
    .content-split {
        grid-template-columns: 1fr 350px;
    }
}

/* ===========================
   DESKTOP - 992px+
   =========================== */

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    /* Header desktop */
    .header-container {
        gap: var(--spacing-responsive-xl);
    }
    
    .header-search {
        max-width: 500px;
    }
    
    /* Sidebar étendue */
    .sidebar {
        width: 320px;
    }
    
    /* Grilles desktop */
    .voyages-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: var(--spacing-responsive-xl);
    }
    
    .flags-grid {
        grid-template-columns: repeat(8, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Vue voyage desktop */
    .content-split {
        grid-template-columns: 1fr 450px;
    }
    
    .voyage-card-image {
        height: 220px;
    }
    
    /* Timeline desktop */
    .timeline-marker {
        width: 70px;
        height: 70px;
        font-size: 1.2rem;
    }
    
    /* Chronologie desktop */
    .chronology-step {
        min-width: 200px;
        max-width: 250px;
    }
    
    .chronology-marker {
        width: 80px;
        height: 80px;
        font-size: 1.5rem;
    }
    
    /* Modales desktop */
    .modal-dialog {
        max-width: 800px;
    }
    
    .modal-lg .modal-dialog {
        max-width: 900px;
    }
    
    .modal-xl .modal-dialog {
        max-width: 1200px;
    }
    
    /* Cartes hover desktop */
    .voyage-card:hover,
    .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-xl);
    }
    
    .etape-card:hover {
        transform: translateY(-2px);
    }
    
    /* Tooltips desktop */
    .tooltip {
        display: block;
    }
}

/* ===========================
   LARGE DESKTOP - 1200px+
   =========================== */

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    /* Grilles large */
    .voyages-grid {
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    }
    
    .flags-grid {
        grid-template-columns: repeat(10, 1fr);
    }
    
    /* Vue voyage large */
    .content-split {
        grid-template-columns: 1fr 500px;
    }
    
    .sidebar {
        width: 350px;
        overflow-x: hidden;
    }
    
    /* Timeline large */
    .timeline-marker {
        width: 80px;
        height: 80px;
        font-size: 1.4rem;
    }
    
    /* Chronologie large */
    .chronology-step {
        min-width: 220px;
        max-width: 280px;
    }
    
    .chronology-marker {
        width: 90px;
        height: 90px;
        font-size: 1.6rem;
    }
    
    /* Cartes large */
    .voyage-card-image {
        height: 240px;
    }
}

/* ===========================
   XL DESKTOP - 1400px+
   =========================== */

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .voyages-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    }
    
    .flags-grid {
        grid-template-columns: repeat(12, 1fr);
    }
    
    .content-split {
        grid-template-columns: 1fr 550px;
    }
    
    .sidebar {
        width: 20%;
        overflow-x: hidden;
        max-width: 350px;
    }
}

/* ===========================
   ORIENTATIONS
   =========================== */

/* Portrait mobile */
@media (orientation: portrait) and (max-width: 768px) {
    .world-map {
        height: 250px;
    }
    
    .voyage-map {
        height: 300px;
    }
    
    .chronology-timeline {
        flex-direction: column;
        align-items: center;
    }
    
    .chronology-arrow {
        transform: rotate(90deg);
        top: auto;
        bottom: -15px;
        right: 50%;
    }
}

/* Paysage mobile */
@media (orientation: landscape) and (max-height: 500px) {
    .header-nav {
        padding: var(--spacing-responsive-xs) var(--spacing-responsive-sm);
    }
    
    .voyage-container {
        height: calc(100vh - 60px);
    }
    
    .world-map,
    .voyage-map {
        height: 200px;
    }
    
    .modal-dialog {
        max-height: 85vh;
        margin: var(--spacing-responsive-sm) auto;
    }
}

/* ===========================
   ADAPTATIONS SPÉCIFIQUES
   =========================== */

/* Navigation mobile améliorée */
@media (max-width: 767px) {
    .view-toggle {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-responsive-xs);
    }
    
    .view-btn {
        flex: 1;
        font-size: 0.75rem;
        padding: var(--spacing-responsive-xs);
    }
    
    .voyage-meta {
        flex-direction: column;
        gap: var(--spacing-responsive-xs);
        text-align: center;
    }
    
    .etapes-header {
        flex-direction: column;
        gap: var(--spacing-responsive-sm);
        text-align: center;
    }
    
    .etapes-actions {
        justify-content: center;
    }
    
    .map-actions {
        grid-template-columns: 1fr;
        gap: var(--spacing-responsive-xs);
    }
}

/* Optimisations touch */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 48px;
        padding: var(--spacing-responsive-sm) var(--spacing-responsive-md);
    }
    
    .form-control {
        min-height: 48px;
        font-size: 16px; /* Évite le zoom sur iOS */
    }
    
    .voyage-card:hover,
    .card:hover,
    .etape-card:hover {
        transform: none;
    }
    
    .dropdown-item {
        padding: var(--spacing-responsive-md);
    }
}

/* Écrans haute densité */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .marker-content,
    .poi-content {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Préférences utilisateur */
@media (prefers-reduced-motion: reduce) {
    .voyage-card,
    .card,
    .etape-card,
    .btn,
    .marker-content {
        transition: none !important;
        transform: none !important;
    }
}

/* Largeur de contenu confortable */
@media (min-width: 1600px) {
    .container {
        max-width: 1400px;
    }
    
    .main-content {
        max-width: 1600px;
        margin: 0 auto;
    }
}

/* Helpers pour masquer/afficher selon la taille d'écran */
.mobile-only { display: none !important; }
.desktop-only { display: block !important; }

@media (max-width: 900px) {
  .mobile-only { display: block !important; }
  .desktop-only { display: none !important; }
  .sidebar { display: none !important; }
  /* Commenté pour permettre l'affichage des étapes sur desktop même sur écrans moyens */
  /* .etapes-container.desktop-only { display: none !important; } */
}