/* ============================================================
   PLATEFORME DE FORMATION EN LIGNE
   Charte graphique : Bleu / Bordeaux / Violet
   ============================================================ */

:root {
    --bleu: #1d4ed8;
    --bleu-fonce: #1e3a8a;
    --bleu-clair: #eef2ff;
    --bordeaux: #7f1d3d;
    --bordeaux-clair: #fbe9ee;
    --violet: #6d28d9;
    --violet-clair: #f3ecfd;
    --gradient-principal: linear-gradient(135deg, var(--bleu-fonce) 0%, var(--violet) 55%, var(--bordeaux) 100%);
    --gris-fond: #f5f6fb;
    --gris-texte: #4b5563;
    --texte-fonce: #1f2937;
    --bordure: #e5e7eb;
    --ombre: 0 4px 16px rgba(30, 27, 75, 0.08);
    --ombre-hover: 0 8px 24px rgba(30, 27, 75, 0.14);
    --radius: 12px;
}

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

body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--gris-fond);
    color: var(--texte-fonce);
    line-height: 1.55;
}

a { text-decoration: none; color: var(--bleu); }

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

.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---------- SIDEBAR ---------- */
.sidebar {
    width: 260px;
    background: var(--gradient-principal);
    color: #fff;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-brand {
    padding: 22px 20px;
    font-size: 1.25rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-brand .logo-badge {
    width: 38px; height: 38px;
    background: rgba(255,255,255,0.18);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}

.sidebar-user {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    font-size: 0.85rem;
}
.sidebar-user .nom { font-weight: 600; font-size: 0.95rem; }
.sidebar-user .role-badge {
    display: inline-block;
    margin-top: 6px;
    padding: 2px 10px;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.sidebar-nav { padding: 12px 0; flex: 1; }
.sidebar-nav .section-title {
    padding: 14px 20px 6px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.55);
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.88);
    padding: 11px 20px;
    font-size: 0.92rem;
    border-left: 3px solid transparent;
    transition: all .15s;
}
.sidebar-nav a:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}
.sidebar-nav a.active {
    background: rgba(255,255,255,0.14);
    border-left-color: #fff;
    color: #fff;
    font-weight: 600;
}
.sidebar-nav .icon { font-size: 1.05rem; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.12);
}
.sidebar-footer a {
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    display: flex; align-items: center; gap: 10px;
}
.sidebar-footer a:hover { color: #fff; }

/* ---------- MAIN CONTENT ---------- */
.main-content {
    margin-left: 260px;
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: #fff;
    border-bottom: 1px solid var(--bordure);
    padding: 14px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bleu-fonce);
}
.topbar .topbar-actions {
    display: flex; align-items: center; gap: 18px;
}
.notif-bell {
    position: relative;
    font-size: 1.2rem;
    color: var(--violet);
}
.notif-badge {
    position: absolute;
    top: -6px; right: -8px;
    background: var(--bordeaux);
    color: #fff;
    border-radius: 50%;
    font-size: 0.65rem;
    padding: 1px 5px;
    font-weight: 700;
}

.page-content {
    padding: 28px;
    flex: 1;
}

/* ============================================================
   COMPONENTS
   ============================================================ */

.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--ombre);
    padding: 22px;
    margin-bottom: 22px;
    border: 1px solid var(--bordure);
}
.card h2, .card h3 {
    color: var(--bleu-fonce);
    margin-bottom: 14px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}
.card-header h2, .card-header h3 { margin-bottom: 0; }

/* Grid de stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 22px;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--ombre);
    padding: 20px;
    border: 1px solid var(--bordure);
    border-left: 5px solid var(--bleu);
    position: relative;
    overflow: hidden;
}
.stat-card.violet { border-left-color: var(--violet); }
.stat-card.bordeaux { border-left-color: var(--bordeaux); }
.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--texte-fonce);
}
.stat-card .stat-label {
    color: var(--gris-texte);
    font-size: 0.88rem;
    margin-top: 4px;
}
.stat-card .stat-icon {
    position: absolute;
    right: 16px; top: 16px;
    font-size: 1.8rem;
    opacity: 0.18;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
}
.btn-primary { background: var(--bleu); color: #fff; }
.btn-primary:hover { background: var(--bleu-fonce); }
.btn-violet { background: var(--violet); color: #fff; }
.btn-violet:hover { background: #5b21b6; }
.btn-bordeaux { background: var(--bordeaux); color: #fff; }
.btn-bordeaux:hover { background: #641730; }
.btn-outline { background: #fff; color: var(--bleu); border: 1px solid var(--bleu); }
.btn-outline:hover { background: var(--bleu-clair); }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }
.btn-danger { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: #059669; color: #fff; }
.btn-block { width: 100%; justify-content: center; }

/* Formulaires */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--texte-fonce);
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--bordure);
    border-radius: 8px;
    font-size: 0.92rem;
    background: #fff;
    transition: border-color .15s;
}
.form-control:focus {
    outline: none;
    border-color: var(--violet);
    box-shadow: 0 0 0 3px var(--violet-clair);
}
textarea.form-control { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

/* Tables */
table.data-table {
    width: 100%;
    border-collapse: collapse;
}
table.data-table th, table.data-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--bordure);
    font-size: 0.9rem;
}
table.data-table th {
    background: var(--bleu-clair);
    color: var(--bleu-fonce);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: .5px;
}
table.data-table tr:hover td { background: #fafbff; }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px;
}
.badge-bleu { background: var(--bleu-clair); color: var(--bleu-fonce); }
.badge-violet { background: var(--violet-clair); color: var(--violet); }
.badge-bordeaux { background: var(--bordeaux-clair); color: var(--bordeaux); }
.badge-vert { background: #d1fae5; color: #059669; }
.badge-gris { background: #f3f4f6; color: #6b7280; }
.badge-rouge { background: #fee2e2; color: #dc2626; }

/* Alerts */
.alert {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 0.9rem;
    border-left: 4px solid;
}
.alert-success { background: #ecfdf5; border-color: #059669; color: #065f46; }
.alert-danger { background: #fef2f2; border-color: #dc2626; color: #991b1b; }
.alert-info { background: var(--bleu-clair); border-color: var(--bleu); color: var(--bleu-fonce); }
.alert-warning { background: #fffbeb; border-color: #f59e0b; color: #92400e; }

/* Liens dans groupe / cartes formation */
.formation-card {
    border: 1px solid var(--bordure);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 14px;
    transition: box-shadow .15s;
    border-left: 4px solid var(--violet);
}
.formation-card:hover { box-shadow: var(--ombre-hover); }
.formation-card.immediate { border-left-color: var(--bordeaux); }
.formation-card .titre { font-weight: 700; color: var(--bleu-fonce); font-size: 1.05rem; }
.formation-card .meta { color: var(--gris-texte); font-size: 0.85rem; margin: 6px 0; }

/* Messages groupe */
.groupe-message {
    display: flex;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--bordure);
}
.groupe-message:last-child { border-bottom: none; }
.groupe-message .avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--gradient-principal);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}
.groupe-message .contenu { flex: 1; }
.groupe-message .auteur { font-weight: 700; color: var(--bleu-fonce); font-size: 0.92rem; }
.groupe-message .date { color: #9ca3af; font-size: 0.78rem; margin-left: 8px; }
.groupe-message .texte { margin-top: 4px; font-size: 0.92rem; }
.groupe-message .lien-box {
    margin-top: 10px;
    background: var(--violet-clair);
    border: 1px solid var(--violet);
    border-radius: 8px;
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.groupe-message .lien-box a.lien-text {
    font-family: monospace;
    color: var(--violet);
    word-break: break-all;
    font-size: 0.85rem;
}

/* Page Auth (login / register) */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-principal);
    padding: 20px;
}
.auth-box {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.18);
    width: 100%;
    max-width: 440px;
    padding: 36px;
}
.auth-box .auth-logo {
    text-align: center;
    margin-bottom: 18px;
}
.auth-box .auth-logo .logo-badge {
    width: 60px; height: 60px;
    border-radius: 16px;
    background: var(--gradient-principal);
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 12px;
}
.auth-box h1 {
    text-align: center;
    font-size: 1.4rem;
    color: var(--bleu-fonce);
    margin-bottom: 6px;
}
.auth-box .subtitle {
    text-align: center;
    color: var(--gris-texte);
    font-size: 0.88rem;
    margin-bottom: 24px;
}
.auth-box .auth-footer {
    text-align: center;
    margin-top: 18px;
    font-size: 0.88rem;
    color: var(--gris-texte);
}

/* Studio enregistrement */
.studio-preview {
    background: #111827;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}
.studio-preview video {
    width: 100%; height: 100%;
    object-fit: cover;
    background: #000;
}
.studio-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
    flex-wrap: wrap;
}
.rec-indicator {
    position: absolute;
    top: 14px; left: 14px;
    background: var(--bordeaux);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex; align-items: center; gap: 6px;
}
.rec-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #fff;
    animation: blink 1s infinite;
}
@keyframes blink { 50% { opacity: 0.2; } }

/* Jitsi conteneur */
.jitsi-container {
    width: 100%;
    height: 75vh;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--ombre);
}





/* Bibliothèque enregistrements — barre de recherche / filtre date */
.lib-toolbar {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}
.lib-toolbar .form-group { flex: 1; min-width: 220px; margin-bottom: 0; }
.lib-search-wrap { position: relative; }
.lib-search-wrap i {
    position: absolute;
    left: 14px; top: 50%;
    transform: translateY(-50%);
    color: var(--gris-texte);
}
.lib-search-wrap input { padding-left: 38px; }

/* Bibliothèque enregistrements — grille de cartes (3 par ligne) */
.lib-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
@media (max-width: 1100px) { .lib-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .lib-grid { grid-template-columns: 1fr; } }

.lib-card {
    border: 1px solid var(--bordure);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    display: flex;
    flex-direction: column;
    transition: box-shadow .15s;
}
.lib-card:hover { box-shadow: var(--ombre-hover); }
.lib-card-media {
    position: relative;
    background: #111827;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.lib-card-media video { width: 100%; height: 100%; object-fit: cover; }
.lib-card-media.audio-media { background: var(--violet-clair); }
.lib-card-media .play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(17,24,39,0.25);
    color: #fff;
    font-size: 2.4rem;
    opacity: 0;
    transition: opacity .15s;
}
.lib-card-media:hover .play-overlay { opacity: 1; }
.lib-card-media .audio-icon { font-size: 2.6rem; color: var(--violet); }
.lib-card-body { padding: 14px; flex: 1; display: flex; flex-direction: column; }
.lib-card-title { font-weight: 700; color: var(--bleu-fonce); margin-bottom: 4px; }
.lib-card-meta { font-size: 0.78rem; color: var(--gris-texte); margin-bottom: 8px; }
.lib-card-desc { font-size: 0.85rem; color: var(--gris-texte); margin-bottom: 10px; flex: 1; }
.lib-card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--bordure);
}
.lib-card-actions .btn { flex: 1; justify-content: center; }
.lib-card-actions .btn-icon-only { flex: 0 0 auto; padding: 6px 10px; }

/* Lecteur plein écran (modal) */
.lib-player-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,12,20,0.92);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.lib-player-overlay.open { display: flex; }
.lib-player-box {
    width: 100%;
    max-width: 1100px;
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}
.lib-player-box video, .lib-player-box audio { width: 100%; display: block; }
.lib-player-box audio { padding: 40px 20px; background: var(--gradient-principal); }
.lib-player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: rgba(0,0,0,0.55);
    color: #fff;
}
.lib-player-header .lib-player-title { font-weight: 700; }
.lib-player-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    line-height: 1;
}
.lib-player-close:hover { color: var(--bordeaux-clair); }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--gris-texte);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 14px; opacity: 0.4; }





/* Empty state */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--gris-texte);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 14px; opacity: 0.4; }

/* Responsive */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform .25s;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block !important; }
}
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--bleu-fonce);
    cursor: pointer;
}

.text-muted { color: var(--gris-texte); }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 12px; }