:root {
  --bg: #f6f8fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
}

body {
  font-family: system-ui, Segoe UI, Roboto, Arial;
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15, 23, 42, .04);
  min-height: 32px;
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  height: 42px;
  width: auto;
  display: block;
}

.nav a {
  color: #334155;
  text-decoration: none;
  margin-right: 12px;
  opacity: .9;
  font-size: 14px;
}

.nav a:hover {
  color: var(--primary);
  opacity: 1;
}

.user {
  color: var(--muted);
  font-size: 14px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px;
}

.cardgrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, .04);
}

.badge {
  display: inline-block;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
}

.badge.ok {
  color: var(--success);
  background: #ecfdf5;
  border-color: #bbf7d0;
}

.badge.warning {
  color: var(--warning);
  background: #fffbeb;
  border-color: #fde68a;
}

.badge.critical {
  color: var(--danger);
  background: #fef2f2;
  border-color: #fecaca;
}

.badge.offline {
  color: #64748b;
  background: #f1f5f9;
  border-color: #e2e8f0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 23, 42, .04);
}

th, td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 14px;
}

th {
  color: #475569;
  font-weight: 700;
  background: #f8fafc;
}

tr:last-child td {
  border-bottom: 0;
}

input, select {
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: var(--text);
  outline: none;
}

input:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

button {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
}

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

button.secondary {
  background: #ffffff;
  color: #334155;
  border-color: #cbd5e1;
}

button.secondary:hover {
  background: #f8fafc;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.form {
  max-width: 520px;
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.modal-card {
  width: 100%;
  max-width: 500px;
  background: #ffffff;
  color: var(--text);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.22);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.modal-header h3 {
  margin: 0;
  color: var(--text);
}

.modal-close {
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  background: #f8fafc;
  color: #334155;
}

.modal-close:hover {
  background: #e2e8f0;
}

.modal-card label {
  display: block;
  font-weight: 600;
  margin: 12px 0 6px;
  color: #334155;
  font-size: 14px;
}

.modal-card input,
.modal-card select {
  width: 100%;
  box-sizing: border-box;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 22px;
}

@media (max-width: 700px) {
  .cardgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .container {
    padding: 14px;
  }
}

@media (max-width: 600px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-card {
    max-width: none;
    border-radius: 22px 22px 0 0;
    padding: 20px;
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-actions button {
    width: 100%;
  }

  table {
    font-size: 13px;
  }
  .brand img {
    height: 34px;
  }

  .topbar {
    min-height: 64px;
  }
}

body {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, .08), transparent 34%),
    linear-gradient(180deg, #f8fafc 0%, #eef3f9 100%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 8px 28px rgba(15, 23, 42, .08);
}

.container {
  padding-top: 46px;
}

.card,
table {
  box-shadow:
    0 18px 45px rgba(15, 23, 42, .08),
    0 2px 8px rgba(15, 23, 42, .04);
}

table {
  border-color: rgba(203, 213, 225, .9);
}

th {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

tbody tr {
  transition: background .18s ease, transform .18s ease;
}

tbody tr:hover {
  background: #f8fbff;
}

button {
  box-shadow: 0 8px 18px rgba(37, 99, 235, .22);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(37, 99, 235, .28);
}

button.secondary {
  box-shadow: none;
}

button.secondary:hover {
  transform: none;
  box-shadow: 0 4px 12px rgba(15, 23, 42, .06);
}

/* Botão editar mais leve */
td button {
  background: #ffffff;
  color: var(--primary);
  border-color: #93c5fd;
  box-shadow: none;
}

td button:hover {
  background: #eff6ff;
  color: var(--primary-dark);
  box-shadow: 0 6px 14px rgba(37, 99, 235, .12);
}

/* Modal com profundidade */
.modal-overlay {
  background: rgba(15, 23, 42, .22);
  backdrop-filter: blur(8px);
}

.modal-card {
  box-shadow:
    0 30px 90px rgba(15, 23, 42, .22),
    0 8px 24px rgba(15, 23, 42, .10);
  border: 1px solid rgba(226, 232, 240, .95);
}

/* Visual melhor para status */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #16a34a;
  margin-right: 7px;
}

.status-dot.disabled {
  background: #d97706;
}

.status-dot.deleted {
  background: #dc2626;
}

.status-dot.active {
  background: #16a34a;
}

.status-dot.inactive {
  background: #64748b;
}

.status-dot.maintenance {
  background: #d97706;
}