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

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2234;
  --bg-hover: #243044;
  --bg-active: #2a3a52;
  --border: #1e2d3d;
  --border-bright: #2a3f55;

  --text-primary: #c9d6e2;
  --text-secondary: #6b7d8f;
  --text-muted: #3d4f61;

  --cyan: #00d4ff;
  --cyan-hover: #00b8e0;
  --cyan-dim: rgba(0, 212, 255, 0.08);
  --cyan-glow: rgba(0, 212, 255, 0.25);
  --cyan-subtle: rgba(0, 212, 255, 0.03);

  --status-up: #00e676;
  --status-up-glow: rgba(0, 230, 118, 0.15);
  --status-down: #ff3d57;
  --status-down-glow: rgba(255, 61, 87, 0.15);
  --status-filtered: #ffab00;
  --status-filtered-glow: rgba(255, 171, 0, 0.15);
  --status-unknown: #546e7a;

  --danger: #ff3d57;
  --danger-hover: #e0233d;

  --font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --radius: 3px;
  --radius-lg: 6px;
}

html,
body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow: hidden;
  user-select: none;
}

body {
  display: flex;
  flex-direction: column;
}

/* ===== Grid Background ===== */

#views {
  flex: 1;
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(rgba(0, 212, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ===== Toolbar ===== */

#toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: linear-gradient(180deg, #141c2b 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow:
    0 1px 8px rgba(0, 0, 0, 0.4),
    0 1px 0 rgba(0, 212, 255, 0.05);
  gap: 12px;
  position: relative;
  z-index: 20;
}

.toolbar-circuit {
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 100%;
  pointer-events: none;
  opacity: 0.7;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toolbar-right {
  margin-left: auto;
  margin-right: 8px;
}

.app-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan-glow);
  margin-right: 8px;
}

#ip-range-input {
  width: 340px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#ip-range-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim), 0 0 12px var(--cyan-dim);
}

#ip-range-input::placeholder {
  color: var(--text-muted);
}

/* ===== Buttons ===== */

.btn {
  padding: 7px 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  font-family: var(--font-sans);
}

.btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-primary {
  color: #fff;
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-dim);
}

.btn-primary:hover:not(:disabled) {
  background: var(--cyan-hover);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.97);
}

.btn-danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-hover);
  box-shadow: 0 0 16px rgba(255, 61, 87, 0.2);
}

/* ===== Status / Progress ===== */

.status-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.progress-bar {
  width: 180px;
  height: 4px;
  background: var(--bg-primary);
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), #00ffc8);
  border-radius: 2px;
  transition: width 0.3s ease-out;
  box-shadow: 0 0 8px var(--cyan-glow);
  position: relative;
}

.progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.2) 50%,
      transparent 100%);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

/* ===== Tabs ===== */

#tab-bar {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding-left: 16px;
  position: relative;
}

#tab-bar::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      var(--cyan) 0%,
      transparent 30%);
  opacity: 0.15;
}

.tab {
  padding: 10px 22px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  font-family: var(--font-sans);
}

.tab:hover {
  color: var(--text-secondary);
}

.tab.active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan-dim);
}

/* ===== Views ===== */

.view {
  display: none;
  height: 100%;
  flex-direction: column;
}

.view.active {
  display: flex;
}

.placeholder-text {
  padding: 60px 40px;
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.5px;
}

/* ===== Results Filter Bar ===== */

#results-toolbar {
  display: flex;
  align-items: center;
  padding: 6px 16px;
  gap: 12px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

#filter-input {
  width: 240px;
  padding: 5px 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#filter-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}

.host-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-left: auto;
  letter-spacing: 0.3px;
}

/* ===== Results Table ===== */

#results-table-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
}

#results-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

#results-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

#results-table th {
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border-bright);
  white-space: nowrap;
}

#results-table th.sortable {
  cursor: pointer;
  transition: color 0.15s;
}

#results-table th.sortable:hover {
  color: var(--cyan);
}

#results-table th.sorted-asc::after {
  content: " \25B2";
  font-size: 8px;
  color: var(--cyan);
}

#results-table th.sorted-desc::after {
  content: " \25BC";
  font-size: 8px;
  color: var(--cyan);
}

#results-table td {
  padding: 7px 16px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-primary);
  border-bottom: 1px solid rgba(30, 45, 61, 0.5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  height: 32px;
}

#results-table tbody tr {
  transition: background 0.12s;
}

#results-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.01);
}

#results-table tbody tr:hover {
  background: var(--cyan-dim);
}

#results-table tbody tr.selected {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.virtual-spacer {
  border: none !important;
}

.virtual-spacer td {
  padding: 0 !important;
  border: none !important;
}

/* ===== Status Colors ===== */

.status-up {
  color: var(--status-up);
  text-shadow: 0 0 6px var(--status-up-glow);
}

.status-down {
  color: var(--status-down);
  text-shadow: 0 0 6px var(--status-down-glow);
}

.status-filtered {
  color: var(--status-filtered);
  text-shadow: 0 0 6px var(--status-filtered-glow);
}

.status-unknown {
  color: var(--status-unknown);
}

/* ===== Status Bar ===== */

#status-bar {
  display: flex;
  align-items: center;
  padding: 3px 16px;
  gap: 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.status-bar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

#privilege-status {
  margin-left: auto;
}

#privilege-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status-up);
  box-shadow: 0 0 4px var(--status-up-glow);
}

.privilege-elevated {
  color: var(--status-filtered) !important;
}

.privilege-elevated::before {
  background: var(--status-filtered) !important;
  box-shadow: 0 0 4px var(--status-filtered-glow) !important;
}

/* ===== Scrollbar ===== */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-bright);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.btn-sm {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-sans);
}

.btn-sm:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-dim);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--cyan);
  cursor: pointer;
}

.toggle-label:hover {
  color: var(--text-primary);
}

.port-tag {
  display: inline-block;
  padding: 1px 5px;
  margin: 1px 2px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 2px;
}

.ports-cell {
  white-space: normal !important;
  line-height: 1.6;
}

/* ===== Detail Panel ===== */

.detail-row td {
  padding: 0 !important;
  border-bottom: 1px solid var(--border-bright) !important;
  background: var(--bg-secondary);
}

.detail-panel {
  padding: 16px 24px;
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, var(--cyan-dim) 0%, transparent 30%);
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.detail-ip {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.detail-hostname {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.detail-rtt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

.detail-table {
  width: 100%;
  max-width: 700px;
  border-collapse: collapse;
  margin-bottom: 10px;
}

.detail-table th {
  padding: 5px 12px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.detail-table td {
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(30, 45, 61, 0.3);
}

.detail-summary {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.detail-empty {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== Context Menu ===== */

.context-menu {
  position: fixed;
  z-index: 100;
  min-width: 180px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 1px rgba(0, 212, 255, 0.1);
  padding: 4px 0;
  overflow: hidden;
}

.ctx-item {
  display: block;
  width: 100%;
  padding: 7px 14px;
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s;
}

.ctx-item:hover {
  background: var(--cyan-dim);
  color: var(--cyan);
}

.ctx-divider {
  height: 1px;
  margin: 4px 8px;
  background: var(--border);
}

/* ===== Modal ===== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  align-items: center;
  justify-content: center;
  z-index: 90;
  display: none;
}

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

.modal-panel {
  width: 640px;
  max-height: 80vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 1px var(--cyan);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
}

.modal-title span {
  color: var(--cyan);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* ===== Traceroute Output ===== */

.traceroute-output {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-primary);
  min-height: 200px;
  max-height: 60vh;
}

.traceroute-line {
  white-space: pre;
}

.traceroute-line.hop-reached {
  color: var(--status-up);
}

.traceroute-running::after {
  content: "\2588";
  animation: blink 0.8s infinite;
  color: var(--cyan);
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* ===== Column Picker ===== */

.col-picker-wrap {
  position: relative;
}

.col-picker {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 160px;
  padding: 8px 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 50;
}

.col-picker label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.1s;
}

.col-picker label:hover {
  background: var(--cyan-dim);
}

.col-picker input[type="checkbox"] {
  accent-color: var(--cyan);
  cursor: pointer;
}

.col-picker input[type="checkbox"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.detail-netbios {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.detail-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  padding: 3px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.detail-tag strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== Checkboxes ===== */

.col-check {
  width: 32px !important;
  text-align: center;
  overflow: visible !important;
  text-overflow: clip !important;
}

.row-check {
  accent-color: var(--cyan);
  cursor: pointer;
}

#check-all {
  accent-color: var(--cyan);
  cursor: pointer;
}

.send-group {
  display: flex;
  gap: 6px;
}

.send-wrap {
  position: relative;
}

.send-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  min-width: 140px;
  padding: 4px 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 50;
}

/* ===== Nmap Tab ===== */

#nmap-toolbar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  gap: 8px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

#nmap-target {
  width: 280px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#nmap-target:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}

#nmap-preset {
  padding: 7px 10px;
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7d8f' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

#nmap-preset:focus {
  border-color: var(--cyan);
}

#nmap-preset option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

#nmap-custom-args {
  width: 240px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#nmap-custom-args:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}

.nmap-output {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-primary);
  background:
    linear-gradient(rgba(0, 212, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.01) 1px, transparent 1px);
  background-size: 40px 40px;
  white-space: pre-wrap;
  word-break: break-all;
}

.nmap-line {
  white-space: pre;
}

.nmap-line-open {
  color: var(--status-up);
}

.nmap-line-closed {
  color: var(--status-down);
}

.nmap-line-header {
  color: var(--cyan);
  font-weight: 600;
}

.nmap-line-info {
  color: var(--text-secondary);
}

.nmap-running::after {
  content: "\2588";
  animation: blink 0.8s infinite;
  color: var(--cyan);
}

.tab-running {
  color: var(--cyan) !important;
  animation: pulse-tab 1.5s infinite;
}

@keyframes pulse-tab {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* ===== Monitor Tab ===== */

#monitor-toolbar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  gap: 8px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

#monitor-input {
  width: 300px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#monitor-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}

#monitor-interval {
  padding: 7px 10px;
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7d8f' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

#monitor-interval option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

#monitor-table-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
}

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

#monitor-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

#monitor-table th {
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border-bright);
  white-space: nowrap;
}

#monitor-table td {
  padding: 6px 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-primary);
  border-bottom: 1px solid rgba(30, 45, 61, 0.5);
  white-space: nowrap;
}

#monitor-table tbody tr {
  transition: background 0.12s;
}

#monitor-table tbody tr:hover {
  background: var(--cyan-dim);
}

.monitor-status-Up {
  color: var(--status-up);
  text-shadow: 0 0 6px var(--status-up-glow);
}

.monitor-status-Down {
  color: var(--status-down);
  text-shadow: 0 0 6px var(--status-down-glow);
}

.monitor-status-Degraded {
  color: var(--status-filtered);
  text-shadow: 0 0 6px var(--status-filtered-glow);
}

.monitor-status-Unknown {
  color: var(--status-unknown);
}

.btn-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
}

.btn-remove:hover {
  color: var(--status-down);
}

/* ===== Update Banner ===== */

.update-banner {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.03));
  border-bottom: 1px solid var(--cyan);
  font-size: 12px;
  color: var(--text-primary);
}

.update-banner.visible {
  display: flex;
}

.update-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
}

.update-link:hover {
  text-decoration: underline;
}

.update-dismiss {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
}

.update-dismiss:hover {
  color: var(--text-primary);
}

/* ===== Settings ===== */

.status-bar-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-mono);
}

.status-bar-btn:hover {
  color: var(--cyan);
}

.settings-body {
  padding: 20px 24px;
}

.settings-field {
  margin-bottom: 16px;
}

.settings-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.settings-field input {
  width: 100%;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  outline: none;
}

.settings-field input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}

.settings-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Changelog ===== */

.changelog-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
  max-height: 70vh;
}

.changelog-content h1 {
  font-size: 20px;
  color: var(--cyan);
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.changelog-content h2 {
  font-size: 16px;
  color: var(--cyan);
  margin: 24px 0 12px 0;
}

.changelog-content h3 {
  font-size: 14px;
  color: var(--text-primary);
  margin: 16px 0 8px 0;
}

.changelog-content ul {
  padding-left: 20px;
  margin: 8px 0;
}

.changelog-content li {
  margin: 4px 0;
  color: var(--text-secondary);
}

.changelog-content code {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 5px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--cyan);
}

.changelog-content a {
  color: var(--cyan);
  text-decoration: none;
}

.changelog-content a:hover {
  text-decoration: underline;
}

.theme-picker {
  padding: 1px 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
}

.theme-picker:hover {
  color: var(--text-secondary);
  border-color: var(--border-bright);
}

.theme-picker option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ===== Theme: Midnight ===== */

:root[data-theme="midnight"] {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #141414;
  --bg-hover: #1e1e1e;
  --bg-active: #282828;
  --border: #1a1a1a;
  --border-bright: #2a2a2a;

  --text-primary: #e0e0e0;
  --text-secondary: #808080;
  --text-muted: #4a4a4a;

  --cyan: #00bfff;
  --cyan-hover: #009ed9;
  --cyan-dim: rgba(0, 191, 255, 0.08);
  --cyan-glow: rgba(0, 191, 255, 0.25);
  --cyan-subtle: rgba(0, 191, 255, 0.03);
}

/* ===== Theme: Dracula ===== */

:root[data-theme="dracula"] {
  --bg-primary: #282a36;
  --bg-secondary: #21222c;
  --bg-tertiary: #2d2f3d;
  --bg-hover: #44475a;
  --bg-active: #4e5166;
  --border: #44475a;
  --border-bright: #555869;

  --text-primary: #f8f8f2;
  --text-secondary: #6272a4;
  --text-muted: #4d5b86;

  --cyan: #bd93f9;
  --cyan-hover: #a87cee;
  --cyan-dim: rgba(189, 147, 249, 0.08);
  --cyan-glow: rgba(189, 147, 249, 0.25);
  --cyan-subtle: rgba(189, 147, 249, 0.03);

  --status-up: #50fa7b;
  --status-up-glow: rgba(80, 250, 123, 0.15);
  --status-down: #ff5555;
  --status-down-glow: rgba(255, 85, 85, 0.15);
  --status-filtered: #f1fa8c;
  --status-filtered-glow: rgba(241, 250, 140, 0.15);
  --status-unknown: #6272a4;

  --danger: #ff5555;
  --danger-hover: #e64545;
}

/* ===== Theme: Nord ===== */

:root[data-theme="nord"] {
  --bg-primary: #2e3440;
  --bg-secondary: #3b4252;
  --bg-tertiary: #434c5e;
  --bg-hover: #4c566a;
  --bg-active: #556070;
  --border: #3b4252;
  --border-bright: #4c566a;

  --text-primary: #eceff4;
  --text-secondary: #d8dee9;
  --text-muted: #616e88;

  --cyan: #88c0d0;
  --cyan-hover: #7bb4c4;
  --cyan-dim: rgba(136, 192, 208, 0.08);
  --cyan-glow: rgba(136, 192, 208, 0.25);
  --cyan-subtle: rgba(136, 192, 208, 0.03);

  --status-up: #a3be8c;
  --status-up-glow: rgba(163, 190, 140, 0.15);
  --status-down: #bf616a;
  --status-down-glow: rgba(191, 97, 106, 0.15);
  --status-filtered: #ebcb8b;
  --status-filtered-glow: rgba(235, 203, 139, 0.15);
  --status-unknown: #616e88;

  --danger: #bf616a;
  --danger-hover: #a9545c;
}

/* ===== Theme: Solarized Dark ===== */

:root[data-theme="solarized"] {
  --bg-primary: #002b36;
  --bg-secondary: #073642;
  --bg-tertiary: #0a3f4c;
  --bg-hover: #124a56;
  --bg-active: #1a5560;
  --border: #0d4450;
  --border-bright: #1a5c6a;

  --text-primary: #93a1a1;
  --text-secondary: #839496;
  --text-muted: #586e75;

  --cyan: #2aa198;
  --cyan-hover: #25908a;
  --cyan-dim: rgba(42, 161, 152, 0.1);
  --cyan-glow: rgba(42, 161, 152, 0.25);
  --cyan-subtle: rgba(42, 161, 152, 0.03);

  --status-up: #859900;
  --status-up-glow: rgba(133, 153, 0, 0.15);
  --status-down: #dc322f;
  --status-down-glow: rgba(220, 50, 47, 0.15);
  --status-filtered: #b58900;
  --status-filtered-glow: rgba(181, 137, 0, 0.15);
  --status-unknown: #586e75;

  --danger: #dc322f;
  --danger-hover: #c62825;
}

/* ===== Circuit art theme tinting ===== */

:root[data-theme="dracula"] .toolbar-circuit {
  filter: hue-rotate(70deg);
}

:root[data-theme="nord"] .toolbar-circuit {
  filter: hue-rotate(20deg) saturate(0.5);
}

:root[data-theme="solarized"] .toolbar-circuit {
  filter: hue-rotate(160deg) saturate(0.6);
}

:root[data-theme="midnight"] .toolbar-circuit {
  filter: brightness(0.8);
}