/* =============================================================================
   SINI School Management — feuille de style applicative
   Variables CSS branchées sur l'identité visuelle de l'école courante
   (TenantContext peut les réécrire via une balise <style> servie en SSR).
   ============================================================================= */

/* ----- Bandeau MODE DÉMO ----- */
.demo-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: linear-gradient(90deg, #F97316, #FBBF24);
    color: #0F172A;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.demo-banner a {
    color: #0F172A;
    text-decoration: underline;
    font-weight: 700;
}

:root {
    --primary: #1E5F8A;
    --primary-dark: #144460;
    --accent: #E6A817;
    --bg: #F5F7FA;
    --card: #FFFFFF;
    --border: #E2E8F0;
    --text: #1A202C;
    --muted: #64748B;
    --success: #16A34A;
    --danger: #DC2626;
    --warning: #D97706;
    --info: #2563EB;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }

/* ===== Login ===== */
.login-screen {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}
.login-card {
    background: white; padding: 40px; border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2); width: 380px;
}
.logo-row { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.logo-circle {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--primary); color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; font-size: 18px;
}
.school-name { font-size: 14px; font-weight: bold; }
.domain { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* ===== App shell ===== */
/* Layout viewport-locké : la barre latérale et l'entête restent visibles, seul le contenu défile. */
html, body { margin: 0; padding: 0; height: 100%; overflow: hidden; }
.app-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    grid-template-rows: 56px 1fr;
    grid-template-areas: 'side header' 'side main';
    height: 100vh;
    overflow: hidden;
}
.sidebar {
    grid-area: side; background: var(--primary-dark); color: white;
    padding: 16px 0;
    overflow-y: auto;
    height: 100vh;
}
.sidebar .brand { padding: 0 16px 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar .brand .name { font-weight: bold; font-size: 13px; }
.sidebar .brand .domain { font-size: 11px; color: rgba(255,255,255,0.6); margin-top: 4px; }
.sidebar nav .section {
    padding: 16px 16px 4px; font-size: 10px; text-transform: uppercase;
    color: rgba(255,255,255,0.4); letter-spacing: 1px;
}
.sidebar nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 16px; color: rgba(255,255,255,0.85);
    text-decoration: none; font-size: 13px; border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.08); }
.sidebar nav a.active { background: var(--primary); border-left-color: var(--accent); }
/* Conteneur fixe d'icônes dans la sidebar — garantit un alignement vertical
   parfait entre tous les NavLink, même si certaines icônes ont des proportions
   légèrement différentes. La taille 18px évite la concurrence visuelle avec
   le texte 13px. */
.sidebar nav a .sb-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 20px; height: 20px; flex: none;
    color: rgba(255,255,255,0.75);
}
.sidebar nav a:hover .sb-icon,
.sidebar nav a.active .sb-icon { color: #fff; }

.topbar {
    grid-area: header; background: white; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
}
.topbar h2 { font-size: 16px; }
.user-info { display: flex; align-items: center; gap: 12px; }
.user-info .avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent); color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; font-size: 12px;
}
.user-info .name { font-size: 12px; font-weight: bold; }
.user-info .role { font-size: 10px; color: var(--muted); }
.logout { color: var(--danger); cursor: pointer; font-size: 12px; text-decoration: none; }

.content { grid-area: main; padding: 24px; overflow-y: auto; height: calc(100vh - 56px); }

/* ===== Headings ===== */
h1 { font-size: 22px; margin-bottom: 4px; color: var(--text); }
h2 { font-size: 16px; margin-bottom: 12px; }
h3 { font-size: 14px; margin-bottom: 8px; color: var(--muted); }
.muted { color: var(--muted); margin-bottom: 16px; }

/* ===== Cards ===== */
.card {
    background: var(--card); border-radius: 8px; border: 1px solid var(--border);
    padding: 20px; margin-bottom: 16px;
}
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }

/* ===== Stats ===== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card); padding: 20px; border-radius: 8px; border: 1px solid var(--border); }
.stat-card .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { font-size: 28px; font-weight: bold; margin: 8px 0 4px; color: var(--primary-dark); }
.stat-card .change { font-size: 11px; color: var(--muted); }

/* ===== Tables ===== */
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.table th {
    background: #F8FAFC; padding: 10px 12px; text-align: left;
    font-weight: 600; border-bottom: 2px solid var(--border);
    color: var(--muted); text-transform: uppercase; font-size: 10px; letter-spacing: 0.5px;
}
table.table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.table tr:hover { background: #F8FAFC; }
table.table .amount { text-align: right; font-variant-numeric: tabular-nums; }
table.table tr.total { background: #F8FAFC; font-weight: 700; }
table.table tr.total td { border-top: 2px solid var(--primary); }

/* ===== Badges ===== */
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-success { background: #DCFCE7; color: #166534; }
.badge-danger  { background: #FEE2E2; color: #991B1B; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-info    { background: #DBEAFE; color: #1E40AF; }

/* ===== Buttons ===== */
.btn-primary, .btn-secondary, .btn-danger {
    padding: 8px 16px; border: none; border-radius: 6px;
    font-weight: 600; cursor: pointer; font-size: 13px;
    display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-secondary { background: white; color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 4px 10px; font-size: 11px; }

/* ===== Form ===== */
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 12px; margin-bottom: 4px; font-weight: 600; }
.form-control, .form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
}
.form-control:focus, .form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); }
.form-control.inline { width: auto; padding: 4px 6px; }
.form-control.inline.w-80 { width: 80px; }
.form-control.inline.w-100 { width: 100px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.filter-row { display: flex; gap: 12px; margin-bottom: 16px; }
.filter-row > * { flex: 1; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; }

/* ===== Grade input (autosave) ===== */
.grade { width: 60px; padding: 4px 6px; border: 1px solid var(--border); border-radius: 4px; text-align: center; font-size: 12px; }
.grade:focus { border-color: var(--primary); outline: none; }
.grade.saved { background: #DCFCE7; border-color: var(--success); }

/* ===== Layout helpers ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row { display: flex; gap: 12px; }
.col { flex: 1; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* ===== Alerts ===== */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 12px; font-size: 13px; }
.alert-success { background: #DCFCE7; color: #166534; border-left: 3px solid var(--success); }
.alert-danger  { background: #FEE2E2; color: #991B1B; border-left: 3px solid var(--danger); }

/* ===== Pager ===== */
.pager { display: flex; align-items: center; justify-content: space-between; padding: 12px; }
.pager span { font-size: 12px; color: var(--muted); }

/* ===== Sections (settings) ===== */
.cycle-section, .level-section { margin-bottom: 24px; }
.cycle-section header, .level-section header {
    display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
}
.cycle-section .count { color: var(--muted); font-weight: normal; font-size: 12px; }


/* =============================================================================
   ★ RESPONSIVE MOBILE & TABLET (chantier 2B — PWA)
   =============================================================================
   On garde le layout desktop intact tel quel et on l'écrase à partir de
   768px. Stratégie :
     - sidebar repliée par défaut, hamburger dans la topbar
     - tables transformées en cartes (1 ligne = 1 carte avec libellés)
     - form-grid en 1 colonne
     - boutons à 44px de hauteur minimum (Apple HIG / Material)
     - card padding réduit pour gagner de l'espace
   La tablette (769-1024px) voit une version intermédiaire avec sidebar
   visible mais formulaires en 2 colonnes.
   ============================================================================= */

/* ===== Hamburger button (mobile uniquement) ===== */
.hamburger-btn {
    display: none;   /* visible seulement <= 768px */
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-right: 8px;
    width: 44px; height: 44px;
    flex-direction: column;
    justify-content: space-around;
    align-items: stretch;
}
.hamburger-btn span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.2s;
}
.sidebar-overlay {
    display: none;   /* visible quand body.sidebar-open en mobile */
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    backdrop-filter: blur(2px);
}

/* ===== TABLETTE : 769-1024px ===== */
@media (max-width: 1024px) {
    .form-grid { grid-template-columns: 1fr 1fr; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
}

/* ===== MOBILE : <= 768px ===== */
@media (max-width: 768px) {
    /* ----- Layout général ----- */
    /* On lève l'overflow:hidden imposé en desktop pour que le scroll natif marche */
    html, body { overflow-y: auto; height: auto; }

    .app-shell {
        display: block;     /* on sort du grid 2 colonnes */
        height: auto;
        min-height: 100vh;
    }

    /* ----- Sidebar : hors-écran par défaut, slide-in via .sidebar-open ----- */
    .sidebar {
        position: fixed;
        top: 0; left: 0;
        height: 100vh;
        width: 280px;
        max-width: 85vw;
        z-index: 101;
        transform: translateX(-100%);
        transition: transform 0.25s ease-out;
        box-shadow: 2px 0 12px rgba(0,0,0,0.15);
    }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-overlay { display: block; }

    .demo-banner ~ .app-shell .sidebar,
    .app-shell .sidebar { padding-top: 16px; }

    /* Quand le bandeau démo est présent, on décale la sidebar mobile pour
       qu'elle commence SOUS le bandeau (sinon le menu "Tableau de bord" est
       caché derrière le bandeau orange). 36px ≈ hauteur du bandeau. */
    .demo-banner ~ .app-shell .sidebar {
        top: 36px;
        height: calc(100vh - 36px);
    }
    .demo-banner ~ .app-shell .sidebar-overlay {
        top: 36px;
    }
    /* Idem pour le bandeau "Mode visite" AdminCentral (impersonation école). */
    .impersonation-banner ~ .app-shell .sidebar {
        top: 40px;
        height: calc(100vh - 40px);
    }
    .impersonation-banner ~ .app-shell .sidebar-overlay {
        top: 40px;
    }

    /* ----- Topbar : compacte + hamburger ----- */
    .topbar {
        padding: 0 12px;
        position: sticky;
        top: 0;
        z-index: 50;
        height: 56px;
        gap: 8px;
    }
    .topbar h2 { font-size: 14px; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .hamburger-btn { display: flex; }

    .user-info { gap: 6px; }
    .user-info > div:not(.avatar) { display: none; }   /* on masque nom + role pour gagner de la place */
    .topbar .logout { font-size: 11px; }

    /* ----- Contenu : padding réduit + scroll natif ----- */
    .content {
        padding: 16px 12px;
        height: auto;
        overflow-y: visible;
    }
    h1 { font-size: 20px; }
    h2 { font-size: 14px; }
    .card { padding: 16px; }

    /* ----- Form grids : 1 colonne ----- */
    .form-grid { grid-template-columns: 1fr; gap: 8px; }
    .form-grid .full { grid-column: auto; }
    .filter-row { flex-direction: column; gap: 8px; }
    .filter-row > * { width: 100%; }

    /* ----- Stats : 2 colonnes ----- */
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-card { padding: 12px; }
    .stat-card .value { font-size: 22px; }

    /* ----- Boutons : tap-targets 44px ----- */
    .btn-primary, .btn-secondary, .btn-danger {
        padding: 12px 16px;
        font-size: 14px;
        min-height: 44px;
    }
    .btn-sm { padding: 8px 12px; font-size: 12px; min-height: 36px; }

    /* ----- Inputs : tap-targets 44px + zoom navigateur stoppé via 16px font-size ----- */
    /* iOS zoom auto si font-size < 16px → on force 16px sur mobile */
    .form-control,
    .form-group input, .form-group select, .form-group textarea,
    input[type=text], input[type=email], input[type=password], input[type=number],
    input[type=date], input[type=tel], textarea, select {
        font-size: 16px;
        min-height: 44px;
    }

    /* ----- TABLES → CARDS ----- */
    /* On masque thead et on transforme chaque ligne en carte. Les valeurs
       reçoivent l'intitulé de la colonne via data-label (à fournir dans le HTML
       quand on veut bénéficier de la transformation, sinon on tombe en scroll). */
    .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

    table.table {
        display: block;
        width: 100%;
    }
    table.table thead {
        display: none;
    }
    table.table tbody, table.table tr {
        display: block;
        width: 100%;
    }
    table.table tr {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 8px;
        margin-bottom: 8px;
        padding: 8px 12px;
    }
    table.table tr:hover { background: var(--card); }
    table.table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 8px;
        padding: 6px 0;
        border-bottom: 1px solid var(--border);
        text-align: right;
    }
    table.table td:last-child { border-bottom: none; }
    /* Si la cellule a un attribut data-label, on l'affiche en pseudo-élément.
       Sans data-label, le th caché ne s'affichera pas → c'est OK pour les
       tables où la colonne se comprend d'elle-même (login, code, etc.). */
    table.table td[data-label]::before {
        content: attr(data-label) " :";
        font-weight: 600;
        color: var(--muted);
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        text-align: left;
        flex-shrink: 0;
    }
    table.table td.amount { text-align: right; }

    /* Lignes "total" qui agrègent : on les affiche bloc-plein avec fond ocre */
    table.table tr.total {
        background: #FFF7ED;
        border-color: var(--accent);
    }

    /* ----- Modals : full-width avec safe-area iOS ----- */
    .modal-content {
        max-width: 95vw !important;
        max-height: 90vh;
        padding: 16px !important;
        margin: 16px;
    }

    /* ----- Login : padding réduit ----- */
    .login-card { padding: 24px 20px; width: auto; max-width: 380px; }

    /* ----- Demo banner : empilé, plus compact ----- */
    .demo-banner {
        font-size: 11px;
        padding: 6px 12px;
        flex-wrap: wrap;
    }
    .demo-banner a { margin-left: 4px; }

    /* ----- Charts : hauteur réduite ----- */
    canvas { max-height: 240px !important; }
}

/* ===== TRÈS PETITS ÉCRANS : <= 360px ===== */
@media (max-width: 360px) {
    .stat-grid { grid-template-columns: 1fr; }
    .topbar h2 { display: none; }   /* place trop chère, on l'enlève */
}

/* =============================================================================
   ★ COCKPIT DIRECTEUR (Dashboard refactor 2026-05-14)
   Tuiles KPI compactes avec sparklines, leaderboard, panneau d'alertes,
   heatmap d'activité, raccourcis. Le but : faire tenir « tout ce qui compte
   ce matin » au-dessus de la pliure sans surcharger.
   ============================================================================= */

/* ----- En-tête contextualisé ----- */
.cockpit-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.cockpit-header .title-block h1 { margin: 0; font-size: 20px; }
.cockpit-header .title-block .subtitle {
    color: var(--muted);
    font-size: 12px;
    margin-top: 2px;
}
.cockpit-header .period-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.cockpit-header .period-pill strong { color: var(--text); font-weight: 600; }

/* ----- Grille KPI cockpit (4 tuiles) ----- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.kpi-tile {
    position: relative;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 120px;
}
.kpi-tile .kpi-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--muted);
}
.kpi-tile .kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.1;
    margin: 6px 0 2px;
    font-variant-numeric: tabular-nums;
}
.kpi-tile .kpi-value .suffix {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    margin-left: 2px;
}
.kpi-tile .kpi-delta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    background: #F1F5F9;
    color: var(--muted);
    width: fit-content;
    margin-top: 2px;
    font-weight: 500;
}
.kpi-tile.trend-up .kpi-delta    { background: #DCFCE7; color: #166534; }
.kpi-tile.trend-down .kpi-delta  { background: #FEE2E2; color: #991B1B; }
.kpi-tile.trend-warning .kpi-delta { background: #FEF3C7; color: #92400E; }

/* Bande verticale colorée à gauche selon la tendance */
.kpi-tile::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: transparent;
}
.kpi-tile.trend-up::before      { background: var(--success); }
.kpi-tile.trend-down::before    { background: var(--danger); }
.kpi-tile.trend-warning::before { background: var(--warning); }
.kpi-tile.trend-flat::before    { background: #CBD5E1; }

.kpi-tile .kpi-spark {
    height: 36px;
    margin-top: auto;
    margin-right: -10px;     /* déborde un peu à droite : effet « infinite » */
    margin-bottom: -4px;
}
.kpi-tile .kpi-spark canvas { display: block; }

/* ----- Layout principal cockpit : leaderboard + panneau alertes ----- */
.cockpit-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
}

/* ----- Leaderboard classes ----- */
.leaderboard {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}
.leaderboard h2 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.leaderboard h2 .scope {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}
.lb-row {
    display: grid;
    grid-template-columns: 24px 1fr auto 90px auto;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid #F1F5F9;
    font-size: 13px;
}
.lb-row:last-child { border-bottom: none; }
.lb-row .lb-rank {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    width: 24px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}
.lb-row .lb-rank.top-1 { color: #B45309; }
.lb-row .lb-rank.top-2 { color: #475569; }
.lb-row .lb-rank.top-3 { color: #92400E; }
.lb-row .lb-label { font-weight: 500; }
.lb-row .lb-effectif {
    font-size: 11px;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}
.lb-row .lb-bar {
    height: 6px;
    background: #F1F5F9;
    border-radius: 3px;
    overflow: hidden;
}
.lb-row .lb-bar .fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}
.lb-row .lb-mean {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    text-align: right;
    min-width: 50px;
}

/* ----- Panneau alertes ----- */
.alerts-panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}
.alerts-panel h2 {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}
.alert-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    background: #F8FAFC;
    border-left: 3px solid var(--muted);
    margin-bottom: 8px;
}
.alert-card:last-child { margin-bottom: 0; }
.alert-card.sev-danger  { border-left-color: var(--danger);  background: #FEF2F2; }
.alert-card.sev-warning { border-left-color: var(--warning); background: #FFFBEB; }
.alert-card.sev-info    { border-left-color: var(--info);    background: #EFF6FF; }
.alert-card .alert-ico {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: white;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.alert-card .alert-body { flex: 1; min-width: 0; }
.alert-card .alert-title {
    font-weight: 600;
    font-size: 13px;
    color: var(--text);
}
.alert-card .alert-detail {
    font-size: 11px;
    color: var(--muted);
    margin-top: 2px;
}
.alert-card .alert-cta {
    align-self: center;
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: white;
    white-space: nowrap;
}
.alert-card .alert-cta:hover { background: var(--primary); color: white; border-color: var(--primary); }
.alerts-panel .empty {
    text-align: center;
    color: var(--muted);
    font-size: 12px;
    padding: 16px 0;
}

/* ----- Départs de l'année ----- */
.departures-strip {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--warning);
    border-radius: 10px;
    padding: 14px 16px;
    margin-top: 16px;
}
.departures-strip header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 8px;
}
.departures-strip header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 6px;
}
.departures-strip header .hint { font-size: 11px; color: var(--muted); }
.departures-body {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 24px;
    align-items: start;
}
.departures-counts {
    display: flex;
    gap: 16px;
}
.dep-stat {
    background: #FFFBEB;
    padding: 10px 14px;
    border-radius: 6px;
    min-width: 90px;
    text-align: center;
}
.dep-stat .lab {
    display: block;
    font-size: 10px;
    color: #92400E;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 2px;
}
.dep-stat strong {
    font-size: 20px;
    color: #92400E;
    font-variant-numeric: tabular-nums;
}
.departures-motifs .lab {
    display: block;
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 4px;
}
.departures-motifs ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.departures-motifs li {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    padding: 3px 8px;
    background: #F8FAFC;
    border-radius: 4px;
}
.departures-motifs .motif { color: var(--text); }
.departures-motifs .nb {
    font-weight: 600;
    color: var(--warning);
    font-variant-numeric: tabular-nums;
}

@media (max-width: 600px) {
    .departures-body { grid-template-columns: 1fr; gap: 12px; }
    .departures-counts { justify-content: space-around; }
}

/* ----- Heatmap activité 7 jours ----- */
.activity-strip {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    margin-top: 16px;
}
.activity-strip header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.activity-strip header h3 {
    margin: 0;
    font-size: 13px;
    color: var(--text);
    font-weight: 600;
}
.activity-strip header .hint { font-size: 11px; color: var(--muted); }
.activity-cells {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}
.activity-cell {
    aspect-ratio: 4 / 3;
    border-radius: 6px;
    background: #F1F5F9;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-size: 10px;
    color: var(--muted);
    border: 1px solid transparent;
    transition: transform 0.15s ease;
}
.activity-cell:hover { transform: translateY(-1px); border-color: var(--primary); }
.activity-cell.level-1 { background: #DBEAFE; }
.activity-cell.level-2 { background: #93C5FD; color: #0F172A; }
.activity-cell.level-3 { background: #3B82F6; color: white; }
.activity-cell.level-4 { background: #1E40AF; color: white; }
.activity-cell strong { font-size: 14px; font-weight: 700; line-height: 1; }
.activity-cell.today { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ----- Raccourcis ----- */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 16px;
}
.quick-action {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.quick-action:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 95, 138, 0.08);
}
.quick-action .qa-ico {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #EFF6FF;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}
.quick-action .qa-text { display: flex; flex-direction: column; min-width: 0; }
.quick-action .qa-text strong { font-size: 13px; font-weight: 600; }
.quick-action .qa-text span { font-size: 11px; color: var(--muted); }

/* ----- Événements à venir (compact) ----- */
.events-strip {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    margin-top: 16px;
}
.events-strip header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.events-strip header h3 { margin: 0; font-size: 13px; font-weight: 600; }
.events-strip header a { font-size: 11px; color: var(--primary); text-decoration: none; }
.events-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.events-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 12px;
}
.events-list li:hover { background: #F8FAFC; }
.events-list .ev-date {
    background: var(--primary);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 11px;
    min-width: 56px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}
.events-list .ev-type {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    background: #F1F5F9;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.events-list .ev-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ----- Responsive cockpit ----- */
@media (max-width: 1100px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .cockpit-grid { grid-template-columns: 1fr; }
    .quick-actions { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .kpi-tile { min-height: 100px; }
    .kpi-tile .kpi-value { font-size: 24px; }
    .quick-actions { grid-template-columns: 1fr; }
    .lb-row { grid-template-columns: 20px 1fr auto 60px; gap: 8px; }
    .lb-row .lb-effectif { display: none; }
}

/* =============================================================================
   ★ COCKPIT AVANCÉ (DashboardAdvanced refactor 2026-05-14)
   Vue pilotage : 8 KPIs étendus, distribution notes, matrice matières × niveaux,
   tableau classes enrichi, top fortes/faibles, funnel financier, signaux auto.
   ============================================================================= */

/* Barre de filtres avec sélecteur de période + bouton actualiser */
.adv-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.adv-toolbar .title-block h1 { margin: 0; font-size: 20px; }
.adv-toolbar .title-block .subtitle {
    color: var(--muted);
    font-size: 12px;
    margin-top: 2px;
}
.adv-toolbar .controls {
    display: flex;
    align-items: center;
    gap: 8px;
}
.adv-period-tabs {
    display: inline-flex;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 3px;
    gap: 2px;
}
.adv-period-tabs button {
    background: transparent;
    border: 0;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    color: var(--muted);
    transition: all 0.15s ease;
}
.adv-period-tabs button:hover { color: var(--text); }
.adv-period-tabs button.active {
    background: var(--primary);
    color: white;
}

/* Grille KPI avancé : 4 colonnes (et 2 rangées de 4) */
.adv-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.adv-kpi-tile {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    position: relative;
    overflow: hidden;
    min-height: 92px;
}
.adv-kpi-tile .kpi-label {
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 4px;
}
.adv-kpi-tile .kpi-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}
.adv-kpi-tile .kpi-value .suffix {
    font-size: 12px;
    color: var(--muted);
    font-weight: 500;
    margin-left: 2px;
}
.adv-kpi-tile .kpi-delta {
    font-size: 10px;
    color: var(--muted);
    margin-top: 3px;
    font-weight: 500;
}
.adv-kpi-tile.trend-up    { border-top: 3px solid var(--success); }
.adv-kpi-tile.trend-up    .kpi-delta { color: var(--success); }
.adv-kpi-tile.trend-down  { border-top: 3px solid var(--danger); }
.adv-kpi-tile.trend-down  .kpi-delta { color: var(--danger); }
.adv-kpi-tile.trend-warning { border-top: 3px solid var(--warning); }
.adv-kpi-tile.trend-warning .kpi-delta { color: var(--warning); }
.adv-kpi-tile.trend-flat  { border-top: 3px solid #CBD5E1; }

/* Cards en deux colonnes pour la zone analytique */
.adv-grid-3 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

/* ----- Distribution des notes (histogramme + stats latérales) ----- */
.distribution-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}
.distribution-card header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.distribution-card header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}
.distribution-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}
.distribution-stats .stat {
    text-align: center;
    padding: 8px 4px;
    background: #F8FAFC;
    border-radius: 6px;
}
.distribution-stats .stat .lab {
    font-size: 9px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.distribution-stats .stat .val {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
    font-variant-numeric: tabular-nums;
}
.distribution-canvas-wrap {
    height: 180px;
    position: relative;
}

/* ----- Matrice matières × niveaux ----- */
.matrix-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    overflow-x: auto;
}
.matrix-card header { margin-bottom: 12px; }
.matrix-card header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}
.matrix-card header .hint {
    display: block;
    font-size: 11px;
    color: var(--muted);
    margin-top: 2px;
}
.subject-matrix {
    width: 100%;
    border-collapse: separate;
    border-spacing: 2px;
    font-size: 11px;
}
.subject-matrix th, .subject-matrix td {
    padding: 6px 8px;
    text-align: center;
    border-radius: 4px;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}
.subject-matrix th {
    background: #F8FAFC;
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-size: 10px;
}
.subject-matrix th.row-label, .subject-matrix td.row-label {
    text-align: left;
    background: #F1F5F9;
    color: var(--text);
    font-weight: 600;
    position: sticky;
    left: 0;
    z-index: 1;
}
.subject-matrix td.cell {
    color: white;
    font-weight: 600;
    min-width: 48px;
}
.subject-matrix td.cell.empty {
    background: #F1F5F9 !important;
    color: var(--muted);
    font-weight: 400;
}
.matrix-legend {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 10px;
    color: var(--muted);
}
.matrix-legend .gradient {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(to right, #DC2626 0%, #F59E0B 33%, #84CC16 66%, #16A34A 100%);
}

/* ----- Tableau classes enrichi ----- */
.adv-classes-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.adv-classes-table thead th {
    background: #F8FAFC;
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--border);
}
.adv-classes-table tbody td {
    padding: 8px 10px;
    border-bottom: 1px solid #F1F5F9;
    font-variant-numeric: tabular-nums;
}
.adv-classes-table tbody tr:hover { background: #F8FAFC; }
.adv-classes-table .num { text-align: right; }
.adv-classes-table .stat-bar {
    display: inline-block;
    width: 80px;
    height: 6px;
    background: #F1F5F9;
    border-radius: 3px;
    overflow: hidden;
    vertical-align: middle;
    margin-right: 6px;
}
.adv-classes-table .stat-bar .fill {
    height: 100%;
    border-radius: 3px;
}
.adv-classes-table .delta {
    display: inline-block;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.adv-classes-table .delta.pos { background: #DCFCE7; color: #166534; }
.adv-classes-table .delta.neg { background: #FEE2E2; color: #991B1B; }
.adv-classes-table .delta.flat { background: #F1F5F9; color: var(--muted); }

/* ----- Top fortes / faibles côte à côte ----- */
.adv-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.subject-list {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}
.subject-list h3 {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
.subject-list ul { list-style: none; padding: 0; margin: 0; }
.subject-list li {
    display: grid;
    grid-template-columns: 1fr auto 60px auto;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #F1F5F9;
    font-size: 12px;
}
.subject-list li:last-child { border-bottom: none; }
.subject-list .matiere { font-weight: 500; }
.subject-list .count { font-size: 10px; color: var(--muted); font-variant-numeric: tabular-nums; }
.subject-list .bar {
    height: 5px;
    background: #F1F5F9;
    border-radius: 3px;
    overflow: hidden;
}
.subject-list .bar .fill { height: 100%; border-radius: 3px; }
.subject-list .moy {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    text-align: right;
    min-width: 44px;
}

/* ----- Liste élèves à risque ----- */
.at-risk-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}
.at-risk-card header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.at-risk-card header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
.at-risk-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.at-risk-list li {
    display: grid;
    grid-template-columns: 24px 1fr auto auto;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: #FEF2F2;
    border-radius: 6px;
    border-left: 3px solid var(--danger);
    font-size: 12px;
}
.at-risk-list .rank {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.at-risk-list .who { display: flex; flex-direction: column; min-width: 0; }
.at-risk-list .who strong { font-size: 12px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.at-risk-list .who small { font-size: 10px; color: var(--muted); }
.at-risk-list .mean {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--danger);
    min-width: 36px;
    text-align: right;
}
.at-risk-list .trend {
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 3px;
    font-weight: 600;
}
.at-risk-list .trend.down  { background: #FEE2E2; color: #991B1B; }
.at-risk-list .trend.up    { background: #DCFCE7; color: #166534; }
.at-risk-list .trend.flat  { background: #F1F5F9; color: var(--muted); }

/* ----- Funnel financier ----- */
.funnel-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}
.funnel-card header { margin-bottom: 12px; }
.funnel-card header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
.funnel {
    display: flex;
    align-items: stretch;
    gap: 4px;
    margin-bottom: 16px;
}
.funnel .step {
    flex: 1;
    padding: 12px;
    border-radius: 6px;
    background: var(--card);
    border: 1px solid var(--border);
    position: relative;
}
.funnel .step .label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--muted);
}
.funnel .step .amount {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 4px 0 2px;
    font-variant-numeric: tabular-nums;
}
.funnel .step .meta {
    font-size: 11px;
    color: var(--muted);
}
.funnel .step.facture { border-left: 4px solid var(--info); }
.funnel .step.encaisse { border-left: 4px solid var(--success); }
.funnel .step.impaye { border-left: 4px solid var(--danger); }
.funnel-evolution {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.funnel-evolution .label {
    font-size: 11px;
    color: var(--muted);
}
.funnel-evolution-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 40px;
}
.funnel-evolution-bars .bar {
    flex: 1;
    background: var(--primary);
    opacity: 0.6;
    border-radius: 3px 3px 0 0;
    min-height: 4px;
    position: relative;
    transition: opacity 0.15s ease;
}
.funnel-evolution-bars .bar:hover { opacity: 1; }
.funnel-evolution-bars .bar.current { opacity: 1; background: var(--accent); }

/* ----- Signaux automatiques (insights) ----- */
.signals-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}
.signals-card header { margin-bottom: 12px; }
.signals-card header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
.signals-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}
.signal-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    border-left: 3px solid var(--muted);
    background: #F8FAFC;
}
.signal-card.lvl-positif { border-left-color: var(--success); background: #ECFDF5; }
.signal-card.lvl-warning { border-left-color: var(--warning); background: #FFFBEB; }
.signal-card.lvl-danger  { border-left-color: var(--danger);  background: #FEF2F2; }
.signal-card.lvl-info    { border-left-color: var(--info);    background: #EFF6FF; }
.signal-card .ico {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: white;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.signal-card .text { flex: 1; min-width: 0; }
.signal-card .title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
}
.signal-card .desc {
    font-size: 11px;
    color: var(--muted);
    margin-top: 2px;
}

/* ----- Responsive ----- */
@media (max-width: 1100px) {
    .adv-kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-grid-3 { grid-template-columns: 1fr; }
    .adv-grid-2 { grid-template-columns: 1fr; }
    .signals-list { grid-template-columns: 1fr; }
    .at-risk-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .adv-kpi-grid { grid-template-columns: 1fr; }
    .funnel { flex-direction: column; }
    .distribution-stats { grid-template-columns: repeat(2, 1fr); }
}