:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --line: #dfe5ec;
  --text: #1f2933;
  --muted: #65758b;
  --sidebar: #17212f;
  --sidebar-soft: #223047;
  --primary: #1f6feb;
  --primary-dark: #185abc;
  --success: #18794e;
  --danger: #c2413b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

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

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  flex: 0 0 260px;
  background: var(--sidebar);
  color: #eef4fb;
  padding: 24px 18px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 32px;
}

.brand strong {
  font-size: 22px;
}

.brand span,
.module-list span,
.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav-menu {
  display: grid;
  gap: 6px;
}

.nav-menu a {
  border-radius: 8px;
  color: #cbd7e6;
  padding: 11px 12px;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: var(--sidebar-soft);
  color: #ffffff;
}

.subnav {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  display: grid;
  gap: 2px;
  margin: 12px 0 0 10px;
  padding-left: 10px;
}

.subnav a {
  border-radius: 8px;
  color: #b9c8d8;
  font-size: 13px;
  padding: 8px 10px;
}

.subnav a:hover,
.subnav a.active {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.module-list {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding-top: 20px;
}

.module-list small {
  color: #b9c8d8;
}

.main-content {
  flex: 1;
  padding: 28px;
}

.topbar {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 24px;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 18px;
}

.muted {
  color: var(--muted);
}

.button {
  background: var(--primary);
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  justify-content: center;
  min-height: 40px;
  padding: 10px 14px;
}

.button:hover {
  background: var(--primary-dark);
}

.button-secondary {
  background: #e8eef6;
  color: #1b2a3a;
}

.button-secondary:hover {
  background: #dbe5f0;
}

.card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 20px;
}

.card-grid-six {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.metric-card,
.panel,
.auth-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metric-card {
  display: grid;
  gap: 10px;
  min-height: 112px;
  padding: 20px;
}

.metric-card span {
  color: var(--muted);
  font-size: 14px;
}

.metric-card strong {
  font-size: 34px;
}

.panel {
  margin-bottom: 20px;
  padding: 20px;
}

.panel-header {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 16px;
}

.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-stack {
  display: grid;
  gap: 14px;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.quick-links a {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 12px;
}

.quick-links a:hover {
  border-color: #b8c5d6;
}

label {
  color: #334155;
  display: grid;
  font-size: 14px;
  font-weight: 700;
  gap: 6px;
}

.checkbox-line {
  align-items: center;
  display: flex;
  gap: 8px;
  min-height: 40px;
}

.checkbox-line input {
  min-height: auto;
  width: auto;
}

input,
select,
textarea {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  min-height: 40px;
  padding: 9px 11px;
  width: 100%;
}

textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  color: #475569;
  font-size: 13px;
  text-transform: uppercase;
}

.badge {
  background: #eef2f7;
  border-radius: 999px;
  color: #334155;
  display: inline-flex;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
}

code {
  background: #f1f5f9;
  border-radius: 6px;
  color: #334155;
  display: inline-block;
  font-family: Consolas, Monaco, monospace;
  font-size: 12px;
  max-width: 360px;
  overflow-wrap: anywhere;
  padding: 2px 6px;
}

.status-grid,
.module-catalog {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.status-grid div,
.module-catalog article {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 6px;
  padding: 14px;
}

.status-grid span,
.module-catalog span {
  color: var(--muted);
  font-size: 13px;
}

.status-grid strong {
  font-size: 28px;
}

.flash {
  border-radius: 8px;
  margin-bottom: 18px;
  padding: 12px 14px;
}

.flash-sucesso {
  background: #e7f6ee;
  color: var(--success);
}

.flash-erro {
  background: #fdebea;
  color: var(--danger);
}

.auth-body {
  align-items: center;
  background: #edf2f7;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  max-width: 420px;
  padding: 28px;
  width: 100%;
}

.auth-card h1 {
  margin-top: 8px;
}

@media (max-width: 980px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    width: 100%;
  }

  .card-grid,
  .form-grid,
  .status-grid,
  .module-catalog {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}