:root {
  --surface-1: #fcfcfb;
  --page: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --border: rgba(11, 11, 11, 0.10);
  --gridline: #e1e0d9;
  --status-critical: #d03b3b;
  --status-warning: #fab219;
  --status-good: #0ca30c;
  --accent: #2a78d6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-1: #1a1a19;
    --page: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --border: rgba(255, 255, 255, 0.10);
    --gridline: #2c2c2a;
    --accent: #3987e5;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text-primary);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}

.topbar .brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  text-decoration: none;
}

.topbar nav a {
  margin-left: 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.topbar nav a:hover { color: var(--accent); }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px;
}

.stats-row {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.stat-tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  min-width: 220px;
  flex: 1;
}

.stat-tile .label {
  font-size: 13px;
  color: var(--text-secondary);
}

.stat-tile .value {
  font-size: 40px;
  font-weight: 600;
  margin-top: 4px;
  line-height: 1;
}

.stat-tile-alerta .value {
  color: var(--status-critical);
}

.filtro-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.btn-filtro {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.btn-filtro:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.btn-filtro.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.empresa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.empresa-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}

.empresa-card:hover { border-color: var(--accent); }

.empresa-card .titulo-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.empresa-card .fantasia {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
}

.empresa-card .badge {
  background: var(--status-critical);
  color: #ffffff;
  border-radius: 999px;
  padding: 2px 12px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.empresa-card .meta {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 8px;
}

.empresa-card .meta-envio {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 4px;
}

.empty-state {
  color: var(--text-secondary);
  font-size: 14px;
  padding: 24px 0;
}

.page-title {
  font-size: 22px;
  margin-bottom: 20px;
}

.section-title {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 28px 0 12px;
}

.back-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.back-link:hover { color: var(--accent); }

.empresa-header h1 {
  margin: 12px 0 16px;
  font-size: 26px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px 24px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 0;
}

.info-grid > div { min-width: 0; }

.info-grid dt {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.info-grid dd {
  margin: 2px 0 0;
  font-size: 15px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-1);
  font-size: 14px;
}

th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--gridline);
  white-space: nowrap;
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td { border-bottom: none; }

td.num { font-variant-numeric: tabular-nums; }

tr.row-atrasada {
  background: rgba(208, 59, 59, 0.10);
}

tr.row-atrasada:hover {
  background: rgba(208, 59, 59, 0.16);
}

.status-tag {
  background: var(--status-warning);
  color: #0b0b0b;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
}

.login-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
}

.login-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 36px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card h1 {
  margin: 0;
  font-size: 22px;
}

.login-card .subtitle {
  margin: -8px 0 4px;
  color: var(--text-secondary);
  font-size: 14px;
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.login-card input {
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--page);
  color: var(--text-primary);
}

.login-card button {
  margin-top: 6px;
  padding: 10px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.login-card .erro {
  color: var(--status-critical);
  font-size: 13px;
  margin: 0;
}

.flash-messages {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flash {
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid var(--border);
}

.flash-success {
  background: rgba(12, 163, 12, 0.12);
  color: var(--status-good);
}

.flash-error {
  background: rgba(208, 59, 59, 0.12);
  color: var(--status-critical);
}

.delete-box {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.delete-box .delete-hint {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0 0 12px;
}

.delete-box form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.delete-box input {
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  width: 220px;
}

.btn-danger {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  background: var(--status-critical);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-danger:hover {
  filter: brightness(1.1);
}