:root {
  --bg: #fafafa;
  --fg: #18181b;
  --surface: #ffffff;
  --surface-muted: #f4f4f5;
  --border: #e4e4e7;
  --muted: #71717a;
  --accent: #1d4ed8;
  --accent-soft: #eff6ff;
  --danger: #dc2626;
  --ok: #16a34a;
  --radius: 0.75rem;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

html.dark {
  --bg: #09090b;
  --fg: #fafafa;
  --surface: #18181b;
  --surface-muted: #27272a;
  --border: #3f3f46;
  --muted: #a1a1aa;
  --accent: #60a5fa;
  --accent-soft: #18181b;
  --danger: #f87171;
  --ok: #4ade80;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}

.nav-links a,
.nav-links button.linkish {
  border: 0;
  background: transparent;
  color: var(--fg);
  border-radius: 0.375rem;
  padding: 0.375rem 0.75rem;
  cursor: pointer;
}

.nav-links a:hover,
.nav-links button.linkish:hover,
.nav-links a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.btn-sair {
  border: 0;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

main.wrap {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.subtitle {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card .label {
  color: var(--muted);
  font-size: 0.85rem;
}

.card .value {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0.35rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  margin-top: 1rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 10rem;
}

.field label {
  font-size: 0.8rem;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 0.5rem;
  padding: 0.5rem 0.65rem;
}

.btn {
  border: 0;
  border-radius: 0.5rem;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.btn.secondary {
  background: var(--surface-muted);
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn.danger {
  background: var(--danger);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--surface-muted);
}

.badge.ok {
  background: rgba(22, 163, 74, 0.15);
  color: var(--ok);
}

.badge.warn {
  background: rgba(234, 179, 8, 0.15);
  color: #ca8a04;
}

.err {
  color: var(--danger);
  margin: 0.5rem 0;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  word-break: break-all;
}

/* Login */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  position: relative;
}

.theme-float {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.login-card {
  width: 100%;
  max-width: 24rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.login-card h1 {
  color: var(--accent);
  font-size: 1.25rem;
}

.login-card .hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.login-card .field {
  margin-bottom: 0.85rem;
}

.login-card .btn {
  width: 100%;
  margin-top: 0.5rem;
}

.icon-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  border-radius: 0.5rem;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

@media (max-width: 720px) {
  .navbar {
    flex-direction: column;
    align-items: stretch;
  }
}