/* =====================================================================
   ECOLE — Design System
   ===================================================================== */
:root {
    --bleu-nuit: #0f2942;
    --bleu-primaire: #1d5ea8;
    --bleu-clair: #eaf2fb;
    --vert-succes: #1c8a5a;
    --vert-clair: #e6f6ee;
    --rouge-danger: #c62839;
    --rouge-clair: #fbe9eb;
    --orange-alerte: #b9700b;
    --orange-clair: #fdf1de;
    --gris-fond: #f4f6f9;
    --gris-bordure: #dfe4ea;
    --gris-texte: #4a5568;
    --gris-fonce: #1a202c;
    --blanc: #ffffff;
    --rayon: 10px;
    --ombre: 0 2px 10px rgba(15, 41, 66, 0.07);
    --transition: all .15s ease-in-out;
    --sidebar-w: 268px;
    --topbar-h: 62px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--gris-fond);
    color: var(--gris-fonce);
    font-size: 14.5px;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 { color: var(--bleu-nuit); font-weight: 600; margin-top: 0; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }

/* ---------------------------------------------------------------------
   Ecran de connexion
   --------------------------------------------------------------------- */
.ecran-connexion {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bleu-nuit), var(--bleu-primaire));
    padding: 20px;
}
.carte-connexion {
    background: var(--blanc);
    width: 100%;
    max-width: 380px;
    padding: 36px 32px;
    border-radius: var(--rayon);
    box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.carte-connexion .logo-ecole {
    text-align: center;
    margin-bottom: 22px;
}
.carte-connexion .logo-ecole .badge-etab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--bleu-clair);
    color: var(--bleu-primaire);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 8px;
}
.logo-app-connexion {
    width: 76px; height: 76px;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
    padding: 4px;
    margin-bottom: 8px;
}
.logo-app {
    width: 30px; height: 30px;
    object-fit: contain;
    border-radius: 6px;
    background: #fff;
    padding: 2px;
    vertical-align: middle;
}
.logo-recu {
    width: 64px; height: 64px;
    object-fit: contain;
}
.entete-recu-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: center;
}

/* ---------------------------------------------------------------------
   Coquille applicative : barre latérale + barre du haut + contenu
   --------------------------------------------------------------------- */
.coquille { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: var(--bleu-nuit);
    color: #cfe0f2;
    flex-shrink: 0;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    overflow-y: auto;
    z-index: 40;
    transition: transform .2s ease;
}
.sidebar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 20px;
    font-weight: 700;
    color: var(--blanc);
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar .brand .puce {
    width: 34px; height: 34px; border-radius: 8px;
    background: var(--bleu-primaire);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
}
.sidebar nav { padding: 10px 0 30px; }
.sidebar .groupe-titre {
    text-transform: uppercase;
    font-size: .68rem;
    letter-spacing: .07em;
    color: #7e9dbe;
    padding: 16px 20px 6px;
}
.sidebar a.lien-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: #d7e5f4;
    font-size: .88rem;
    border-left: 3px solid transparent;
}
.sidebar a.lien-menu:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.sidebar a.lien-menu.actif {
    background: rgba(29,94,168,.35);
    border-left-color: #4d9bf0;
    color: var(--blanc);
    font-weight: 600;
}
.sidebar .icone { width: 18px; text-align: center; opacity: .9; }

.zone-principale {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-h);
    background: var(--blanc);
    border-bottom: 1px solid var(--gris-bordure);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 30;
}
.topbar .fil-ariane { color: var(--gris-texte); font-size: .85rem; }
.topbar .fil-ariane strong { color: var(--gris-fonce); }
.topbar .zone-utilisateur { display: flex; align-items: center; gap: 14px; }
.topbar .pastille-role {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: 3px 9px;
    border-radius: 20px;
    background: var(--bleu-clair);
    color: var(--bleu-primaire);
    font-weight: 700;
}
.topbar .avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--bleu-primaire); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 700;
    font-size: .85rem;
}
.btn-lien-deconnexion { color: var(--rouge-danger); font-size: .85rem; font-weight: 600; }

.contenu { padding: 26px; max-width: 1400px; width: 100%; }

/* ---------------------------------------------------------------------
   Fil d'ariane / retour
   --------------------------------------------------------------------- */
#retour, .lien-retour { margin-bottom: 14px; display: inline-block; font-weight: 600; }

/* ---------------------------------------------------------------------
   Cartes / KPI
   --------------------------------------------------------------------- */
.grille-kpi {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.carte-kpi {
    background: var(--blanc);
    border-radius: var(--rayon);
    box-shadow: var(--ombre);
    padding: 18px 20px;
    border-top: 3px solid var(--bleu-primaire);
}
.carte-kpi.succes { border-top-color: var(--vert-succes); }
.carte-kpi.alerte { border-top-color: var(--orange-alerte); }
.carte-kpi.danger { border-top-color: var(--rouge-danger); }
.carte-kpi .valeur { font-size: 1.7rem; font-weight: 800; color: var(--bleu-nuit); }
.carte-kpi .libelle { color: var(--gris-texte); font-size: .82rem; margin-top: 2px; }

.carte {
    background: var(--blanc);
    border-radius: var(--rayon);
    box-shadow: var(--ombre);
    padding: 20px 22px;
    margin-bottom: 20px;
}
.carte > h2, .carte > h3 { margin-bottom: 14px; }

.grille-2 { display: grid; grid-template-columns: 1.3fr .9fr; gap: 20px; }
.grille-liens {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 12px;
}
.lien-rapide {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 14px;
    background: var(--bleu-clair);
    border-radius: 8px;
    color: var(--bleu-nuit);
    font-weight: 600;
    font-size: .87rem;
}
.lien-rapide:hover { background: #dcebfa; text-decoration: none; }

/* ---------------------------------------------------------------------
   Formulaires
   --------------------------------------------------------------------- */
.grille-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; align-items: end; }
label { display: block; font-weight: 600; font-size: .82rem; color: var(--gris-texte); margin-bottom: 5px; }
input, select, textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--gris-bordure);
    border-radius: 7px;
    font-size: .9rem;
    background: var(--blanc);
    font-family: inherit;
    transition: var(--transition);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--bleu-primaire);
    box-shadow: 0 0 0 3px rgba(29,94,168,.15);
}

button, .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    border: none;
    border-radius: 7px;
    padding: 9px 16px;
    font-size: .87rem;
    font-weight: 600;
    background: var(--bleu-primaire);
    color: var(--blanc);
    transition: var(--transition);
}
button:hover, .btn:hover { background: #164a86; text-decoration: none; }
.btn-secondaire { background: var(--blanc); color: var(--gris-texte); border: 1px solid var(--gris-bordure); }
.btn-secondaire:hover { background: var(--gris-fond); }
.btn-danger { background: var(--rouge-danger); }
.btn-danger:hover { background: #9c1f2c; }
.btn-succes { background: var(--vert-succes); }
.btn-succes:hover { background: #146b45; }
.btn-petit { padding: 5px 10px; font-size: .78rem; }

/* ---------------------------------------------------------------------
   Tableaux
   --------------------------------------------------------------------- */
.enveloppe-table { background: var(--blanc); border-radius: var(--rayon); box-shadow: var(--ombre); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .87rem; }
thead th {
    background: var(--bleu-nuit);
    color: #fff;
    text-align: left;
    padding: 11px 13px;
    font-weight: 600;
    white-space: nowrap;
}
tbody td { padding: 10px 13px; border-bottom: 1px solid var(--gris-bordure); vertical-align: middle; }
tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }
table.table-centree td, table.table-centree th { text-align: center; }

/* ---------------------------------------------------------------------
   Badges / statuts
   --------------------------------------------------------------------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .74rem; font-weight: 700; }
.badge-succes { background: var(--vert-clair); color: var(--vert-succes); }
.badge-danger { background: var(--rouge-clair); color: var(--rouge-danger); }
.badge-alerte { background: var(--orange-clair); color: var(--orange-alerte); }
.badge-neutre { background: var(--bleu-clair); color: var(--bleu-primaire); }
.badge-gris { background: #eef0f3; color: var(--gris-texte); }

/* ---------------------------------------------------------------------
   Messages flash
   --------------------------------------------------------------------- */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-weight: 600; font-size: .88rem; }
.flash-succes { background: var(--vert-clair); color: var(--vert-succes); border: 1px solid #b7e4cc; }
.flash-erreur { background: var(--rouge-clair); color: var(--rouge-danger); border: 1px solid #f3c1c7; }
.flash-info { background: var(--bleu-clair); color: var(--bleu-primaire); border: 1px solid #c4dcf3; }

/* ---------------------------------------------------------------------
   Bulletins / documents imprimables
   --------------------------------------------------------------------- */
.entete-bulletin { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 2px solid var(--bleu-nuit); padding-bottom: 14px; margin-bottom: 18px; }
.entete-bulletin h1 { margin: 0 0 4px; }
.mention-tag { font-size: 1.05rem; font-weight: 800; padding: 6px 16px; border-radius: 6px; }
.moyenne-generale-box { text-align: center; padding: 16px; border: 2px dashed var(--bleu-primaire); border-radius: var(--rayon); background: var(--bleu-clair); }
.moyenne-generale-box .chiffre { font-size: 2.2rem; font-weight: 800; color: var(--bleu-nuit); }
.zone-signatures { display: flex; justify-content: space-between; margin-top: 50px; }
.zone-signatures div { text-align: center; width: 30%; border-top: 1px solid var(--gris-fonce); padding-top: 6px; font-size: .82rem; }

@media print {
    .sidebar, .topbar, .no-print, form.filtre, .lien-retour { display: none !important; }
    .zone-principale { margin-left: 0 !important; }
    body { background: #fff; }
    .contenu { padding: 0; }
    .carte, .enveloppe-table { box-shadow: none; }
}

/* ---------------------------------------------------------------------
   Divers
   --------------------------------------------------------------------- */
.texte-muet { color: var(--gris-texte); font-size: .85rem; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 10px; } .mb-1 { margin-bottom: 10px; }
.flex-entre { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.tag-role { text-transform: capitalize; }
hr.separateur { border: none; border-top: 1px solid var(--gris-bordure); margin: 18px 0; }

@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.ouvert { transform: translateX(0); }
    .zone-principale { margin-left: 0; }
    .grille-2 { grid-template-columns: 1fr; }
}