/* auth.css — estilos para login.php y admin.php.
   Reusa la paleta de style.css (cyan #0891b2 sobre slate oscuro). */

:root {
    --bg-grad-from: #1e293b;
    --bg-grad-to: #0f172a;
    --surface: #ffffff;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --text: #0f172a;
    --text-muted: #64748b;
    --primary: #0891b2;
    --primary-hover: #0e7490;
    --success: #059669;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --radius: 12px;
    --radius-sm: 6px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: radial-gradient(ellipse at top, var(--bg-grad-from) 0%, var(--bg-grad-to) 100%);
}

a { color: var(--primary); }

/* ---------- Login ---------- */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    padding: 36px 32px;
}
.auth-card__brand {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.auth-card__brand .accent { color: var(--primary); }
.auth-card__sub {
    text-align: center;
    color: var(--text-muted);
    font-size: .9rem;
    margin: 0 0 24px;
}

.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}
.field input[type=text],
.field input[type=password],
.field select,
.field textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: .92rem;
    background: #fff;
    color: var(--text);
}
.field textarea { min-height: 80px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
}
.field--inline { display: flex; gap: 8px; align-items: stretch; }
.field--inline input { flex: 1; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font: inherit;
    font-weight: 600;
    font-size: .9rem;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, border-color .15s;
}
.btn--block { width: 100%; }
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); }
.btn--neutral { background: #475569; color: #fff; }
.btn--neutral:hover { background: #334155; }
.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { background: var(--danger-hover); }
.btn--ghost { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn--ghost:hover { background: #f1f5f9; }
.btn--sm { padding: 7px 12px; font-size: .82rem; }
.btn--xs { padding: 5px 9px; font-size: .76rem; }

.toggle-pass {
    border: 1px solid var(--border-strong);
    background: #f1f5f9;
    border-radius: var(--radius-sm);
    padding: 0 12px;
    cursor: pointer;
    font-size: .8rem;
    color: var(--text-muted);
}

.alert {
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: .86rem;
    margin-bottom: 18px;
}
.alert--error   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert--success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert--info    { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

.muted { color: var(--text-muted); font-size: .82rem; }

/* ---------- Panel admin ---------- */
.admin-shell {
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}
.admin-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 22px;
    color: #f8fafc;
}
.admin-top h1 { font-size: 1.25rem; margin: 0; }
.admin-top .accent { color: #22d3ee; }
.admin-top .right { display: flex; gap: 8px; align-items: center; }
.auth-chip {
    color: #cbd5e1;
    font-size: .85rem;
    padding: 6px 10px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 999px;
}

/* Los .btn--ghost por defecto llevan texto oscuro; sobre la barra oscura
   del panel se volverían invisibles. Aquí los pasamos a texto claro. */
.admin-top .btn--ghost {
    color: #e2e8f0;
    background: transparent;
    border-color: rgba(255,255,255,.25);
}
.admin-top .btn--ghost:hover {
    color: #ffffff;
    background: rgba(255,255,255,.10);
}

.admin-tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.admin-tabs a {
    padding: 9px 16px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    font-size: .88rem;
    color: #cbd5e1;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
}
.admin-tabs a.is-active { background: var(--primary); color: #fff; border-color: var(--primary); }

.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,.25);
    margin-bottom: 20px;
}
.card h2 { margin: 0 0 4px; font-size: 1.05rem; }
.card .card-sub { color: var(--text-muted); font-size: .85rem; margin: 0 0 18px; }

table.users { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.users th, table.users td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
table.users th { color: var(--text-muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
table.users td form { display: inline; }
.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: .73rem;
    font-weight: 600;
}
.badge--admin { background: #cffafe; color: #155e75; }
.badge--user  { background: #f1f5f9; color: #475569; }
.badge--off   { background: #fee2e2; color: #991b1b; }
.row-actions { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }
.span2 { grid-column: 1 / -1; }
.field-hint { color: var(--text-muted); font-size: .76rem; margin-top: 4px; }