* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0f1117;
  --surface: #1a1d28;
  --surface2: #232738;
  --border: #2a2e3e;
  --text: #e1e4ed;
  --text2: #8b8fa3;
  --primary: #6366f1;
  --primary-hover: #5558e6;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --blue: #3b82f6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand h1 {
  font-size: 1.5rem;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-subtitle {
  font-size: 0.75rem;
  color: var(--text2);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.status-indicator.online { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-indicator.offline { background: var(--red); box-shadow: 0 0 8px var(--red); }
.status-indicator.warning { background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.status-indicator.unknown { background: var(--text2); }

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--surface);
  border-radius: 12px;
  padding: 0.25rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}

.tab {
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text2);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s;
}

.tab:hover { color: var(--text); background: var(--surface2); }
.tab.active { color: #fff; background: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.card-value {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0.5rem;
}

.card-label {
  font-size: 0.75rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card .card-value.green { color: var(--green); }
.card .card-value.red { color: var(--red); }
.card .card-value.yellow { color: var(--yellow); }
.card .card-value.blue { color: var(--blue); }

.links-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.link-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.link-card.status-up::before { background: var(--green); }
.link-card.status-down::before { background: var(--red); }
.link-card.status-recovering::before { background: var(--yellow); }
.link-card.status-unknown::before { background: var(--text2); }
.link-card.status-failover::before { background: var(--yellow); }
.link-card.status-restored::before { background: var(--green); }

.link-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.link-name {
  font-size: 1.1rem;
  font-weight: 600;
}

.link-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-up { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-down { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-failover { background: rgba(234,179,8,0.15); color: var(--yellow); }
.badge-recovering { background: rgba(59,130,246,0.15); color: var(--blue); }
.badge-restored { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-unknown { background: rgba(139,143,163,0.15); color: var(--text2); }

.link-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.link-details dt {
  color: var(--text2);
}

.link-details dd {
  font-weight: 500;
}

.chart-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.chart-header h3 { font-size: 1rem; font-weight: 600; }

.chart-header select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

.chart-wrapper {
  position: relative;
  height: 300px;
}

.map-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.25rem;
  margin-bottom: 1.5rem;
  min-height: 420px;
  overflow: hidden;
}

#mapChart {
  width: 100%;
  height: 100%;
  min-height: 420px;
}

/* Topologia - diagrama com emojis */
.topo {
  position: relative;
  width: 100%;
  min-height: 420px;
  padding: 1.5rem 1rem;
}

.topo-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
  color: var(--text2);
  font-size: 0.9rem;
}

.topo-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.topo-cable { transition: stroke 0.5s ease; }

.topo-nodes {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}

.topo-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 2rem;
  width: 100%;
  flex-wrap: wrap;
}

.topo-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.topo-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  text-align: center;
}

/* ── Ícone (emoji dentro de círculo) ── */
.topo-n-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: var(--surface2);
  border: 2.5px solid var(--border);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.topo-server .topo-n-icon {
  width: 64px;
  height: 64px;
  font-size: 1.9rem;
  background: rgba(99,102,241,0.12);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(99,102,241,0.25);
}

.topo-link-node .topo-n-icon {
  width: 58px;
  height: 58px;
  font-size: 1.6rem;
}

.topo-provider-node .topo-n-icon {
  width: 46px;
  height: 46px;
  font-size: 1.3rem;
  background: rgba(245,158,11,0.1);
  border-color: rgba(245,158,11,0.35);
}

/* ── Textos ── */
.topo-n-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topo-server .topo-n-title {
  font-size: 1rem;
}

.topo-n-provider-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: #f59e0b;
}

.topo-n-sub {
  font-size: 0.72rem;
  color: var(--text2);
}

.topo-n-ip {
  font-size: 0.72rem;
  color: var(--text2);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-weight: 500;
}

.topo-n-lat {
  font-size: 0.88rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

.topo-n-sublabel {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ── Providers row ── */
.topo-providers-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

/* ── Domínios no nó ── */
.topo-n-domains {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: center;
  margin-top: 0.15rem;
  max-width: 140px;
}

.topo-domain-tag {
  font-size: 0.6rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: #a5b4fc;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topo-domain-tag-disabled {
  opacity: 0.35;
  background: rgba(139,143,163,0.08);
  border-color: rgba(139,143,163,0.15);
  color: var(--text2);
}

/* ── Efeito hover nos nós ── */
.topo-node:hover .topo-n-icon {
  transform: scale(1.08);
  border-color: var(--primary) !important;
}

/* Responsivo */
@media (max-width: 768px) {
  .topo { padding: 1rem 0.5rem; }
  .topo-row { gap: 1.25rem; }
  .topo-n-icon { width: 46px; height: 46px; font-size: 1.3rem; }
  .topo-server .topo-n-icon { width: 52px; height: 52px; font-size: 1.6rem; }
  .topo-link-node .topo-n-icon { width: 48px; height: 48px; font-size: 1.3rem; }
  .topo-provider-node .topo-n-icon { width: 38px; height: 38px; font-size: 1.1rem; }
  .topo-n-title { font-size: 0.78rem; max-width: 100px; }
  .topo-n-ip { font-size: 0.65rem; }
  .topo-n-lat { font-size: 0.78rem; }
}

@media (max-width: 480px) {
  .topo-row { gap: 0.75rem; }
  .topo-col { gap: 0.75rem; }
  .topo-providers-row { gap: 0.5rem; }
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.section-header h3 { font-size: 1.1rem; }

.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  text-align: left;
  padding: 0.85rem 1rem;
  color: var(--text2);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(99,102,241,0.04); }

.filter-group {
  display: flex;
  gap: 0.5rem;
}

.filter-group select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 1.1rem; }
.modal-close { background: none; border: none; color: var(--text2); font-size: 1.5rem; cursor: pointer; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 1.5rem; }

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text2);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
}

.form-group .checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.form-group input[type="checkbox"] {
  width: auto;
  accent-color: var(--primary);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

.form-actions .btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}

.form-actions .btn-secondary:hover {
  background: var(--border);
}

.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 0.85rem 1.25rem;
  border-radius: 10px;
  font-size: 0.875rem;
  z-index: 300;
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

.toast.success { background: rgba(34,197,94,0.9); color: #fff; }
.toast.error { background: rgba(239,68,68,0.9); color: #fff; }
.toast.info { background: rgba(59,130,246,0.9); color: #fff; }

@keyframes slideIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.incident-details {
  font-size: 0.85rem;
}

.incident-details .dns-change {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}

.incident-details .dns-change:last-child { border-bottom: none; }
.incident-details .arrow { color: var(--primary); font-weight: 600; }

@media (max-width: 768px) {
  .navbar { padding: 0.75rem 1rem; flex-direction: column; gap: 0.5rem; }
  .nav-status { font-size: 0.8rem; }
  .container { padding: 1rem; }
  .tabs { overflow-x: auto; }
  .tab { padding: 0.6rem 1rem; white-space: nowrap; }
  .links-overview { grid-template-columns: 1fr; }
  .summary-cards { grid-template-columns: 1fr 1fr; }
}

/* ── Failover Rules Tab ── */
.failover-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.failover-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.failover-group-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.failover-group-ips {
  font-size: 0.78rem;
  color: var(--text2);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.failover-sites {
  padding: 0.5rem 0;
}

.failover-site {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  transition: opacity 0.2s;
}

.failover-site:last-child { border-bottom: none; }

.failover-site-disabled {
  opacity: 0.45;
}

.failover-site-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.failover-site-domain {
  font-weight: 600;
  font-size: 0.9rem;
}

.failover-site-record code {
  font-size: 0.78rem;
  color: var(--text2);
  background: var(--bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.failover-site-proxy {
  font-size: 0.85rem;
}

/* Toggle switch */
.failover-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
}

.failover-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.failover-toggle-slider {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 11px;
  transition: all 0.25s;
  flex-shrink: 0;
}

.failover-toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 2px;
  background: var(--text2);
  border-radius: 50%;
  transition: all 0.25s;
}

.failover-toggle input:checked + .failover-toggle-slider {
  background: rgba(99,102,241,0.3);
  border-color: var(--primary);
}

.failover-toggle input:checked + .failover-toggle-slider::before {
  transform: translateX(18px);
  background: var(--primary);
}

.failover-toggle-label {
  font-size: 0.78rem;
  color: var(--text2);
  white-space: nowrap;
}

.failover-site-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.failover-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.failover-link-select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.78rem;
  cursor: pointer;
  outline: none;
}

.failover-link-select:focus {
  border-color: var(--primary);
}

@media (max-width: 600px) {
  .failover-site {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }
  .failover-group-ips { display: none; }
}