:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-2: #f9fafc;
    --sidebar: #ffffff;
    --text: #0f172a;
    --text-soft: #475569;
    --muted: #94a3b8;
    --border: #e5e9f2;
    --border-strong: #d3d9e6;
    --primary: #4f46e5;
    --primary-soft: #eef2ff;
    --primary-hover: #4338ca;
    --ok: #16a34a;
    --ok-soft: #dcfce7;
    --warn: #d97706;
    --err: #dc2626;
    --err-soft: #fee2e2;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
    --radius: 10px;
    --radius-sm: 7px;
    --sidebar-w: 240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Layout com sidebar ===== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; bottom: 0; left: 0;
    display: flex;
    flex-direction: column;
    z-index: 10;
}
.sidebar .brand {
    padding: 22px 22px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
    letter-spacing: -0.01em;
    border-bottom: 1px solid var(--border);
}
.sidebar .brand .logo {
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    display: grid; place-items: center;
    color: #fff; font-weight: 700;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}
.sidebar .brand .sub { font-size: 11px; color: var(--muted); font-weight: 500; display: block; letter-spacing: 0.02em; }

.nav {
    padding: 14px 12px;
    flex: 1;
    display: flex; flex-direction: column; gap: 2px;
}
.nav-item {
    display: flex; align-items: center; gap: 11px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-soft);
    font-weight: 500;
    font-size: 14px;
    transition: background .12s, color .12s;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-item.active {
    background: var(--primary-soft);
    color: var(--primary);
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-section { padding: 14px 16px 6px; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

.sidebar .user {
    border-top: 1px solid var(--border);
    padding: 14px 16px;
    display: flex; align-items: center; gap: 10px;
    font-size: 13px;
}
.sidebar .user .avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--primary-soft); color: var(--primary);
    display: grid; place-items: center; font-weight: 600;
    flex-shrink: 0;
}
.sidebar .user .info { flex: 1; min-width: 0; }
.sidebar .user .info .name { color: var(--text); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar .user .info .role { color: var(--muted); font-size: 11px; }
.sidebar .user .logout {
    color: var(--muted);
    padding: 6px; border-radius: 6px;
}
.sidebar .user .logout:hover { color: var(--err); background: var(--err-soft); text-decoration: none; }
.sidebar .user .logout svg { width: 16px; height: 16px; display: block; }

.main { margin-left: var(--sidebar-w); flex: 1; min-width: 0; }
.topbar-sub {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex; justify-content: space-between; align-items: center;
}
.topbar-sub h1 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.topbar-sub .breadcrumb { color: var(--muted); font-size: 13px; margin-top: 2px; }

.container { max-width: 1200px; padding: 28px 32px 64px; }

/* ===== Cards ===== */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.card h2 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 14px;
    color: var(--text);
    letter-spacing: -0.005em;
}
.card h2.with-icon { display: flex; align-items: center; gap: 9px; }
.card h2 svg { width: 18px; height: 18px; color: var(--primary); }

.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 14px; padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.card-header h2 { margin: 0; }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    :root { --sidebar-w: 72px; }
    .sidebar .brand .text-brand, .nav-item .label, .sidebar .user .info, .nav-section { display: none; }
    .sidebar .brand { justify-content: center; padding: 18px 0; }
    .nav-item { justify-content: center; }
}

/* ===== Estatísticas ===== */
.stat {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 20px 22px;
}
.stat .icon {
    width: 42px; height: 42px; border-radius: 10px;
    background: var(--primary-soft); color: var(--primary);
    display: grid; place-items: center;
    flex-shrink: 0;
}
.stat .icon.ok  { background: var(--ok-soft);  color: var(--ok); }
.stat .icon.err { background: var(--err-soft); color: var(--err); }
.stat .icon svg { width: 20px; height: 20px; }
.stat .body { flex: 1; }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500; }
.stat .num { font-size: 28px; font-weight: 700; margin-top: 4px; letter-spacing: -0.02em; }

/* ===== Formulários ===== */
fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px 6px;
    margin-bottom: 18px;
    background: var(--surface-2);
}
legend {
    padding: 0 8px;
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
}
legend .hint { color: var(--muted); font-weight: 400; margin-left: 6px; font-size: 12px; }

.form label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--text-soft); font-weight: 500; }
.form label.checkbox { display: flex; gap: 10px; align-items: center; padding: 10px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; }
.form input, .form textarea, .form select {
    width: 100%;
    display: block;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: border-color .12s, box-shadow .12s;
}
.form textarea { resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; line-height: 1.6; }
.form input:focus, .form textarea:focus, .form select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}
.form input[type=checkbox] { width: auto; display: inline-block; margin: 0; }

.btn, button {
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--primary); color: #fff; border: 0;
    padding: 10px 18px;
    border-radius: var(--radius-sm); cursor: pointer;
    font-size: 14px; font-weight: 500;
    transition: background .12s, transform .02s;
}
.btn:hover, button:hover { background: var(--primary-hover); text-decoration: none; color: #fff; }
.btn:active, button:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--text-soft); border: 1px solid var(--border-strong); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn svg { width: 16px; height: 16px; }

.form-actions {
    display: flex; justify-content: flex-end; gap: 10px;
    padding-top: 8px;
}

/* ===== Login ===== */
.login-shell {
    display: grid; place-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fb 0%, #eef2ff 100%);
    padding: 20px;
}
.login-card {
    width: 100%; max-width: 420px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 36px 34px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}
.login-card .brand {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 24px;
}
.login-card .brand .logo { width: 42px; height: 42px; border-radius: 10px; background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%); display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 18px; box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25); }
.login-card h1 { font-size: 22px; margin: 0; }
.login-card .subtitle { color: var(--muted); font-size: 13px; margin: 4px 0 24px; }
.login-card button { width: 100%; justify-content: center; padding: 11px; margin-top: 6px; }

/* ===== Tabelas ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); }
table.data {
    width: 100%; border-collapse: collapse; font-size: 13px;
    background: var(--surface);
}
table.data th, table.data td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}
table.data th {
    color: var(--muted); font-weight: 500;
    text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em;
    background: var(--surface-2);
}
table.data tr:last-child td { border-bottom: 0; }
table.data tr:hover td { background: var(--surface-2); }
td.content { max-width: 520px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== Tags / badges ===== */
.tag {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px; border-radius: 999px;
    font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
}
.tag.ok    { background: var(--ok-soft);  color: #15803d; }
.tag.off   { background: var(--err-soft); color: var(--err); }
.tag.in    { background: var(--primary-soft); color: var(--primary); }
.tag.out   { background: var(--ok-soft); color: #15803d; }
.tag.error { background: var(--err-soft); color: var(--err); }
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ===== Avisos ===== */
pre.code, code {
    background: var(--surface-2);
    padding: 2px 7px; border-radius: 5px;
    font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px;
    border: 1px solid var(--border); word-break: break-all; white-space: pre-wrap;
    color: var(--text);
}
pre.code { padding: 14px 16px; display: block; font-size: 12.5px; }
.muted { color: var(--muted); font-size: 13px; }
.err { color: var(--err); }

.ok-banner, .err-banner {
    padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px;
    font-size: 14px;
}
.ok-banner  { background: var(--ok-soft);  color: #15803d; border: 1px solid #bbf7d0; }
.err-banner { background: var(--err-soft); color: var(--err);  border: 1px solid #fecaca; }
.ok-banner svg, .err-banner svg { width: 18px; height: 18px; flex-shrink: 0; }

.page-intro { color: var(--muted); margin: -10px 0 22px; font-size: 14px; }

.copy-row {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    background: var(--surface-2);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-sm);
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 13px;
}
.copy-row .url { flex: 1; overflow-x: auto; white-space: nowrap; color: var(--text); }