:root {
    --couleur-primaire: #1e4d6b;
    --couleur-primaire-clair: #2c6a92;
    --couleur-fond: #f4f6f8;
    --couleur-texte: #26333f;
    --couleur-bordure: #dfe3e8;
    --couleur-succes: #1f8a4c;
    --couleur-erreur: #c0392b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: var(--couleur-fond);
    color: var(--couleur-texte);
}

/* ---------- Page de connexion ---------- */
.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #1e4d6b, #2c6a92);
}

.carte-login {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    width: 360px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
}

.carte-login h1 { margin-top: 0; }

.carte-login form {
    text-align: left;
    margin-top: 20px;
}

.carte-login label {
    display: block;
    margin: 12px 0 4px;
    font-size: 14px;
    font-weight: 600;
}

.carte-login input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--couleur-bordure);
    border-radius: 6px;
    font-size: 14px;
}

.carte-login button {
    width: 100%;
    margin-top: 20px;
    padding: 12px;
    background: var(--couleur-primaire);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
}

.carte-login button:hover { background: var(--couleur-primaire-clair); }

/* ---------- Layout applicatif ---------- */
.app-conteneur { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--couleur-primaire);
    color: #fff;
    flex-shrink: 0;
}

.sidebar-logo {
    padding: 20px;
    font-size: 18px;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-logo img { height: 30px; width: 30px; border-radius: 6px; }

.banniere-pwa {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--couleur-primaire);
    color: #fff;
    padding: 10px 20px;
    font-size: 14px;
    flex-wrap: wrap;
}
.banniere-pwa .bouton { background: #f2c14e; color: #1e4d6b; font-weight: 600; }

.sidebar nav ul { list-style: none; margin: 0; padding: 10px 0; }

.sidebar nav a {
    display: block;
    padding: 12px 20px;
    color: #dce6ee;
    text-decoration: none;
    font-size: 14px;
}

.sidebar nav a:hover { background: rgba(255,255,255,0.1); color: #fff; }

.main-zone { flex: 1; display: flex; flex-direction: column; }

.topbar {
    background: #fff;
    border-bottom: 1px solid var(--couleur-bordure);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-user { font-size: 14px; display: flex; gap: 16px; align-items: center; }
.topbar-user a { color: var(--couleur-primaire); text-decoration: none; }

.contenu { padding: 24px; }

/* ---------- Composants ---------- */
.grille-cartes {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.carte {
    background: #fff;
    border: 1px solid var(--couleur-bordure);
    border-radius: 8px;
    padding: 20px;
}

.table-donnees { width: 100%; border-collapse: collapse; margin-top: 10px; }
.table-donnees th, .table-donnees td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid var(--couleur-bordure);
    font-size: 14px;
}

.texte-vide { color: #888; font-size: 14px; }

.badge {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    background: #e0e0e0;
}
.badge-confirmee { background: #d4edda; color: #1f8a4c; }
.badge-en_attente { background: #fff3cd; color: #8a6d1f; }
.badge-annulee { background: #f8d7da; color: #c0392b; }

.liste-alertes { list-style: none; padding: 0; margin: 0; }
.liste-alertes li {
    padding: 8px 0;
    border-bottom: 1px solid var(--couleur-bordure);
    font-size: 14px;
}

.alerte {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alerte-succes { background: #d4edda; color: var(--couleur-succes); }
.alerte-erreur { background: #f8d7da; color: var(--couleur-erreur); }

.bouton {
    display: inline-block;
    padding: 10px 18px;
    background: var(--couleur-primaire);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 14px;
}
.bouton:hover { background: var(--couleur-primaire-clair); }

.formulaire label {
    display: block;
    margin: 12px 0 4px;
    font-weight: 600;
    font-size: 14px;
}
.formulaire input, .formulaire select, .formulaire textarea {
    width: 100%;
    padding: 9px;
    border: 1px solid var(--couleur-bordure);
    border-radius: 6px;
    font-size: 14px;
}

.conteneur-erreur {
    text-align: center;
    padding: 100px 20px;
}
.conteneur-erreur h1 { font-size: 60px; color: var(--couleur-primaire); margin: 0; }

@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .main-zone { width: 100%; }
    .contenu { padding: 0; }
}