/* OptiSécurité — back-office · charte navy, lignes droites */
:root {
    --navy-900: #0A2540;
    --navy-700: #002F6B;
    --navy-100: #E8EEF6;
    --ink: #1A2733;
    --muted: #5B6B7B;
    --line: #D7DFE9;
    --bg: #F4F6F9;
    --white: #FFFFFF;
    --ok: #1B7F4B;
    --warn: #B65C12;
    --err: #B3261E;
    --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.5;
}

/* Barre supérieure */
.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: linear-gradient(90deg, var(--navy-900), var(--navy-700));
    color: var(--white);
}
.topbar-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: .2px; }
.topbar-tenant { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
.tenant-name { font-weight: 600; }
.topbar-user { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; }

/* Badges statut */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: var(--navy-100);
    color: var(--navy-900);
}
.badge-trial { background: #E7F0FF; color: var(--navy-700); }
.badge-active { background: #E3F4EA; color: var(--ok); }
.badge-past_due { background: #FCEEDD; color: var(--warn); }
.badge-suspended, .badge-closed { background: #FBE4E2; color: var(--err); }

/* Navigation serveur : barre d'onglets mobile / rail latéral desktop */
.app-nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    display: flex;
    justify-content: space-around;
    background: var(--white);
    border-top: 1px solid var(--line);
    padding: 4px 2px calc(4px + env(safe-area-inset-bottom));
    z-index: 50;
    overflow-x: auto;
}
.app-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 8px;
    border-radius: 8px;
    font-size: 11px;
    color: var(--muted);
    text-decoration: none;
    min-width: 56px;
}
.app-nav a .aic { font-size: 20px; }
.app-nav a[aria-current="page"] { color: var(--navy-700); font-weight: 700; background: var(--navy-100); }

@media (min-width: 1200px) {
    .app-nav {
        top: 52px; bottom: 0; left: 0; right: auto;
        width: 210px;
        flex-direction: column;
        justify-content: flex-start;
        gap: 2px;
        border-top: none;
        border-right: 1px solid var(--line);
        padding: 16px 10px;
        overflow-x: hidden;
    }
    .app-nav a {
        flex-direction: row;
        gap: 10px;
        width: 100%;
        min-width: 0;
        padding: 10px 12px;
        font-size: 14px;
    }
    .app-nav a .aic { font-size: 18px; }
    .container.with-nav { margin-left: 226px; max-width: none; padding-right: 24px; }
}

/* Conteneur */
.container { max-width: 960px; margin: 0 auto; padding: 24px 16px 96px; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px; }

/* Cartes */
.card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.card h1, .card h2 { margin: 0 0 12px; color: var(--navy-900); }
.card h1 { font-size: 20px; }
.card h2 { font-size: 16px; }
.card p { margin: 8px 0; }
.muted { color: var(--muted); }

/* Grille d'infos */
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 6px 12px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }

/* Tableaux */
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.list th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }

/* Boutons */
.btn {
    display: inline-block;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: var(--navy-700);
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
}
.btn:hover { background: var(--navy-900); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.4); color: var(--white); padding: 6px 12px; font-size: 13px; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

/* Formulaires */
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; color: var(--navy-900); }
.field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 15px;
    background: var(--white);
}
.field input:focus { outline: 2px solid var(--navy-700); outline-offset: 1px; border-color: var(--navy-700); }

/* Messages */
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.alert-err { background: #FBE4E2; color: var(--err); }
.alert-info { background: #E7F0FF; color: var(--navy-700); }

/* Page de connexion */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, var(--navy-900), var(--navy-700)); padding: 16px; }
.login-card { width: 100%; max-width: 380px; background: var(--white); border-radius: 14px; padding: 28px; }
.login-brand { display: flex; align-items: center; gap: 10px; color: var(--navy-900); font-weight: 700; font-size: 18px; margin-bottom: 4px; }
.login-sub { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
.login-card .btn { width: 100%; padding: 11px; }

@media (max-width: 640px) {
    .kv { grid-template-columns: 1fr; }
    .topbar { flex-wrap: wrap; }
    .topbar-user { width: 100%; justify-content: flex-end; }
}