/* =============================================================================
   App client BATECH Cloud — thème bleu ciel & blanc (cohérent avec le site).
   ========================================================================== */
:root {
    --primary: #0EA5E9; --primary-dark: #0284C7; --primary-light: #E0F2FE;
    --success: #10B981; --danger: #EF4444; --warning: #F59E0B;
    --ink: #0F2540; --body: #445A73; --muted: #6B7E95;
    --bg: #F4F8FC; --surface: #FFFFFF; --surface-2: #EEF3F9; --border: #E4EBF3;
    --radius: 16px; --ring: rgba(14,165,233,.18);
    --shadow-sm: 0 1px 2px rgba(16,40,70,.06);
    --shadow: 0 8px 28px rgba(16,40,70,.08);
    --shadow-lg: 0 20px 50px rgba(16,40,70,.14);
    color-scheme: light;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--body); min-height: 100vh; display: flex; flex-direction: column; -webkit-font-smoothing: antialiased; }
a { color: var(--primary-dark); text-decoration: none; }
h1, h2, h3 { color: var(--ink); letter-spacing: -.02em; line-height: 1.2; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border: 1px solid transparent; border-radius: 10px; font-weight: 600; font-size: 15px; font-family: inherit; cursor: pointer; transition: transform .12s, box-shadow .18s, filter .18s, background .18s; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: linear-gradient(135deg, #0EA5E9, #0284C7); color: #fff; box-shadow: 0 4px 14px rgba(14,165,233,.32); }
.btn--primary:hover { box-shadow: 0 6px 20px rgba(14,165,233,.42); filter: brightness(1.04); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn--ghost:hover { background: var(--surface-2); }
.btn--sm { padding: 7px 13px; font-size: 13px; border-radius: 8px; }
.btn--block { width: 100%; }

/* Barre supérieure */
.topbar { background: rgba(255,255,255,.85); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.topbar__inner { max-width: 1080px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__name { font-weight: 800; font-size: 18px; color: var(--ink); }
.brand__name span { color: var(--primary); }
.topbar__right { display: flex; align-items: center; gap: 14px; }
.topbar__user { font-weight: 600; color: var(--ink); font-size: 14px; }

/* Contenu principal */
.app-main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 32px 24px; }
.page-title { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.page-sub { color: var(--muted); margin-bottom: 28px; }

/* Layout authentification (login / inscription) */
.auth { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 20px; background: radial-gradient(1000px 520px at 50% -10%, #DBF0FE, transparent), var(--bg); }
.auth__card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow-lg); padding: 36px; }
.auth__logo { text-align: center; margin-bottom: 26px; }
.auth__logo .brand__name { font-size: 22px; }
.auth__title { font-size: 22px; font-weight: 800; text-align: center; margin-bottom: 6px; }
.auth__sub { text-align: center; color: var(--muted); font-size: 14.5px; margin-bottom: 24px; }
.auth__alt { text-align: center; margin-top: 20px; font-size: 14px; color: var(--muted); }

/* Formulaires */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.input { width: 100%; padding: 11px 14px; background: #fff; border: 1px solid var(--border); border-radius: 10px; color: var(--ink); font-size: 15px; font-family: inherit; transition: border-color .15s, box-shadow .15s; }
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--ring); }
.input::placeholder { color: #9AA9BC; }

/* Alertes */
.alert { padding: 13px 16px; border-radius: 12px; margin-bottom: 20px; font-size: 14.5px; font-weight: 500; border: 1px solid transparent; }
.alert--success { background: rgba(16,185,129,.1); border-color: rgba(16,185,129,.25); color: #047857; }
.alert--error { background: rgba(239,68,68,.08); border-color: rgba(239,68,68,.22); color: #B91C1C; }
.alert--info { background: var(--primary-light); border-color: rgba(14,165,233,.3); color: var(--primary-dark); }
.alert--warning { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.25); color: #B45309; }

/* Cartes / statistiques */
.grid { display: grid; gap: 18px; }
.grid--stats { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.stat__label { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.stat__value { font-size: 30px; font-weight: 800; color: var(--ink); }
.stat__value.ok { color: #059669; }
.card__title { font-size: 16px; font-weight: 700; margin-bottom: 16px; }

/* Tableau */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--surface-2); font-weight: 700; }
td { color: var(--ink); }

/* Badges d'état */
.badge { display: inline-flex; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge--on { background: rgba(16,185,129,.12); color: #059669; }
.badge--off { background: rgba(239,68,68,.12); color: #DC2626; }
.badge--pending { background: rgba(245,158,11,.14); color: #B45309; }

/* État vide */
.empty { text-align: center; padding: 40px 20px; color: var(--muted); }

/* Pied de page */
.app-footer { border-top: 1px solid var(--border); background: #fff; }
.app-footer__inner { max-width: 1080px; margin: 0 auto; padding: 18px 24px; display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }

@media (max-width: 560px) {
    .auth__card { padding: 28px 22px; }
    .app-footer__inner { flex-direction: column; gap: 6px; text-align: center; }
}