/* ==========================================
   VARIABLES CSS
   ========================================== */

:root {
    /* ── Palette LNB : Bleu & Beige ── */
    --primary:        #2D5FA8;   /* Bleu LNB — CTAs, liens actifs */
    --primary-hover:  #1B4A8A;   /* Bleu foncé hover */
    --secondary:      #4A7FC1;   /* Bleu clair accent */
    --secondary-hover:#2D5FA8;

    /* Nav */
    --nav-bg:         #1B2B4B;   /* Bleu marine profond */
    --nav-border:     #2D5FA8;   /* Ligne accent sous nav */

    /* Texte */
    --text-primary:   #1B2B4B;   /* Bleu marine pour les titres */
    --text-secondary: #4A5568;   /* Gris-bleu neutre */
    --text-tertiary:  #8A96A8;   /* Gris clair */

    /* Backgrounds beige chaud */
    --bg-primary:     #FDFAF6;   /* Crème très clair */
    --bg-secondary:   #F5EFE4;   /* Beige doux */
    --bg-tertiary:    #EDE4D4;   /* Beige plus marqué */

    /* Bordures */
    --border-color:      #DDD5C5;
    --border-color-dark: #C8BC9D;

    /* États */
    --success: #2E7D52;
    --warning: #B8860B;
    --danger:  #C0392B;
    --info:    #2D5FA8;

    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(27, 43, 75, 0.08);
    --shadow-md: 0 4px 8px rgba(27, 43, 75, 0.10);
    --shadow-lg: 0 10px 20px rgba(27, 43, 75, 0.12);

    /* Rayons — légèrement plus doux */
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;

    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Polices */
    --font-sans: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
}

/* ==========================================
   RESET & BASE
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-secondary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;   /* stoppe tout débordement horizontal */
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
}

/* ==========================================
   LAYOUT
   ========================================== */

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

.main-content {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* ==========================================
   HEADER
   ========================================== */

.app-header {
    background: var(--nav-bg);
    color: #FFFFFF;
    border-bottom: 3px solid var(--nav-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.app-logo img {
    height: 44px;
    width: auto;
    display: block;
}

.main-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    color: rgba(255,255,255,0.80);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8125rem;
    letter-spacing: 0.07em;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: #FFFFFF;
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.25);
}

.nav-link.active {
    color: #FFFFFF;
    background: var(--primary);
    border-color: var(--primary);
}

/* ==========================================
   FOOTER
   ========================================== */

.app-footer {
    background: var(--nav-bg);
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--spacing-lg);
    margin-top: auto;
}

.app-footer p {
    font-size: 0.875rem;
}

/* ==========================================
   PAGE HEADER
   ========================================== */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 3px solid var(--text-primary);
}

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

.page-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.badge {
    background: var(--primary);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.875rem;
}

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

/* ==========================================
   SEARCH BOX
   ========================================== */

.search-box {
    position: relative;
}

.search-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    width: 320px;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(10, 10, 10, 0.1);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--text-primary);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-primary);
}

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

.btn-secondary {
    background: transparent;
    border-color: var(--text-primary);
    color: var(--text-primary);
}

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

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    text-transform: none;
    padding: var(--spacing-sm);
}

.btn-text:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* ==========================================
   TABLE
   ========================================== */

.table-wrapper {
    background: var(--bg-primary);
    border: 3px solid var(--text-primary);
    overflow-x: auto;
    margin-bottom: var(--spacing-xl);
}

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

.data-table thead {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.data-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8125rem;
    letter-spacing: 0.05em;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.data-table th:last-child {
    border-right: none;
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    background: rgba(255, 255, 255, 0.1);
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: rgba(255, 59, 0, 0.05);
    cursor: pointer;
}

.data-table td {
    padding: var(--spacing-md);
    border-right: 1px solid var(--border-color);
}

.data-table td:last-child {
    border-right: none;
}

/* ==========================================
   EMPTY STATE
   ========================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    background: var(--bg-primary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.empty-state p {
    color: var(--text-tertiary);
}

/* ==========================================
   BREADCRUMB
   ========================================== */

.breadcrumb {
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-link {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.875rem;
}

.breadcrumb-link:hover {
    color: var(--text-primary);
}

/* ==========================================
   SITE/CONTACT HEADER
   ========================================== */

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.site-title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        align-items: center;
        gap: 0;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .page-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .search-input {
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .table-wrapper {
        overflow-x: scroll;
    }
}

/* ==========================================
   RAFFINEMENTS IDENTITÉ LNB
   ========================================== */

/* Import Inter depuis Google Fonts (si non chargé) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Titres plus élégants */
.page-title, h1 {
    letter-spacing: -0.03em;
}

/* Cards avec fond crème et bordure beige */
.card, .site-card {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

/* Bouton primaire — bleu LNB */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    letter-spacing: 0.03em;
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* Tag badge secondaire — beige */
.badge-secondary, .tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* Inputs — fond crème, focus bleu */
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(45, 95, 168, 0.12);
}