:root {
  --bg: #0b0f17;
  --bg-elevated: #131a26;
  --bg-input: #0e141f;
  --border: #23304a;
  --text: #e6ecf7;
  --muted: #8ea0bf;
  --accent: #4f8cff;
  --accent-strong: #3b74e0;
  --success: #33c47c;
  --warning: #f0b429;
  --danger: #ef5d5d;
  --radius: 12px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, #17233a 0%, var(--bg) 55%);
  min-height: 100vh;
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 15px;
}

a {
  color: var(--accent);
}

.hidden {
  display: none !important;
}

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

.error {
  color: var(--danger);
  font-size: 0.9rem;
}

.empty {
  padding: 24px 4px;
  text-align: center;
}

.hint {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 4px;
}

/* Login */
.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: min(380px, 100%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 24px 60px rgb(0 0 0 / 45%);
}

.login-card h1 {
  margin: 0;
  font-size: 1.35rem;
}

.login-card p {
  margin: 0 0 12px;
  font-size: 0.9rem;
}

/* Layout */
.app {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 20px 60px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0 18px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand div {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.brand .muted {
  font-size: 0.82rem;
}

.logo {
  font-size: 1.7rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  padding: 10px 16px;
  font-size: 0.95rem;
  cursor: pointer;
  border-radius: 8px 8px 0 0;
}

.tab:hover {
  color: var(--text);
  background: rgb(255 255 255 / 4%);
}

.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px 20px;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

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

.panel-head h2 {
  margin: 0;
}

/* Botoes e campos */
button {
  font-family: inherit;
  font-size: 0.9rem;
  border-radius: 9px;
  cursor: pointer;
  padding: 9px 15px;
  border: 1px solid transparent;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.primary {
  background: var(--accent);
  color: #fff;
}

.primary:hover:not(:disabled) {
  background: var(--accent-strong);
}

.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.ghost:hover:not(:disabled) {
  background: rgb(255 255 255 / 6%);
}

.danger {
  background: transparent;
  border-color: rgb(239 93 93 / 45%);
  color: var(--danger);
}

.danger:hover:not(:disabled) {
  background: rgb(239 93 93 / 12%);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}

.btn-link:hover {
  background: rgb(255 255 255 / 6%);
}

input,
select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 9px;
  padding: 9px 11px;
  font-family: inherit;
  font-size: 0.92rem;
  width: 100%;
}

input:focus,
select:focus {
  outline: 2px solid rgb(79 140 255 / 45%);
  outline-offset: 1px;
}

label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin: 12px 0 5px;
}

.inline-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.inline-form input {
  flex: 1 1 200px;
  width: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.checks {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 0.9rem;
  margin: 0;
}

.checkbox input {
  width: auto;
}

/* Cards de monitor */
.cards {
  display: grid;
  gap: 12px;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: rgb(255 255 255 / 2%);
  display: grid;
  gap: 10px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.card-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.card-title strong {
  font-size: 1.02rem;
}

.card-title .muted {
  font-size: 0.82rem;
  word-break: break-all;
}

.card-metrics {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric span {
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric strong {
  font-size: 1.12rem;
  font-variant-numeric: tabular-nums;
}

.metric strong.good {
  color: var(--success);
}

.metric strong.high {
  color: var(--warning);
}

.card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 0.76rem;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge-success {
  background: rgb(51 196 124 / 14%);
  color: var(--success);
  border-color: rgb(51 196 124 / 35%);
}

.badge-warning {
  background: rgb(240 180 41 / 14%);
  color: var(--warning);
  border-color: rgb(240 180 41 / 35%);
}

.badge-danger {
  background: rgb(239 93 93 / 14%);
  color: var(--danger);
  border-color: rgb(239 93 93 / 35%);
}

.badge-muted {
  background: rgb(142 160 191 / 12%);
  color: var(--muted);
  border-color: rgb(142 160 191 / 30%);
}

/* Tabelas */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 9px 10px;
  border-bottom: 1px solid rgb(35 48 74 / 60%);
  vertical-align: middle;
}

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

.table .actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.discovered {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 14px;
  display: grid;
  gap: 8px;
}

.discovered-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.preview {
  background: rgb(79 140 255 / 10%);
  border: 1px solid rgb(79 140 255 / 30%);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 0.86rem;
  margin: 8px 0 0;
}

.preview.preview-error {
  background: rgb(239 93 93 / 10%);
  border-color: rgb(239 93 93 / 30%);
  color: var(--danger);
}

/* Dialog */
dialog {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: min(660px, calc(100vw - 32px));
  max-height: 90vh;
  overflow: auto;
}

dialog::backdrop {
  background: rgb(4 8 15 / 70%);
  backdrop-filter: blur(2px);
}

dialog h2 {
  margin: 0 0 6px;
  font-size: 1.15rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

/* Grafico */
.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.chart-head h2 {
  margin: 0;
}

.chart-head p {
  margin: 2px 0 0;
  font-size: 0.85rem;
}

.chart-head select {
  width: auto;
}

.chart-body {
  margin-top: 16px;
  min-height: 200px;
}

.chart {
  width: 100%;
  height: auto;
}

.chart-grid {
  stroke: var(--border);
  stroke-width: 1;
}

.chart-label {
  fill: var(--muted);
  font-size: 11px;
}

.chart-label.limit {
  fill: var(--warning);
}

.chart-area {
  fill: rgb(79 140 255 / 14%);
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.chart-limit {
  stroke: var(--warning);
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
}

.chart-dot {
  fill: var(--accent);
}

.chart-dot.good {
  fill: var(--success);
}

.chart-summary {
  margin: 10px 0 0;
  font-size: 0.85rem;
  text-align: center;
}

#chart-dialog {
  width: min(940px, calc(100vw - 32px));
}

/* Toasts */
.toasts {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 50;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 11px 15px;
  font-size: 0.88rem;
  max-width: 340px;
  box-shadow: 0 14px 34px rgb(0 0 0 / 45%);
  animation: slide-in 0.18s ease;
}

.toast.success {
  border-left-color: var(--success);
}

.toast.error {
  border-left-color: var(--danger);
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 620px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .card-metrics {
    gap: 14px;
  }

  .table th:nth-child(4),
  .table td:nth-child(4) {
    display: none;
  }
}