:root {
  color-scheme: dark;
  --base: #1e1e2e;
  --mantle: #181825;
  --crust: #11111b;
  --surface0: #313244;
  --surface1: #45475a;
  --surface2: #585b70;
  --text: #cdd6f4;
  --subtext: #a6adc8;
  --blue: #89b4fa;
  --green: #a6e3a1;
  --yellow: #f9e2af;
  --red: #f38ba8;
  --mauve: #cba6f7;
  --teal: #94e2d5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body,
.app-shell {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  background: var(--base);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--surface1);
  border-radius: 6px;
  background: var(--surface0);
  color: var(--text);
  cursor: pointer;
  min-height: 34px;
}

button:hover,
button.active {
  border-color: var(--blue);
  background: #394260;
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
}

.app-header {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto auto;
  gap: 16px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--surface0);
  background: var(--mantle);
}

h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

#backend-status {
  color: var(--subtext);
  font-size: 13px;
}

.tabs,
.actions,
.node-panel-tabs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.tabs button {
  min-width: 78px;
}

.actions button {
  padding: 0 12px;
}

.panel {
  min-height: 0;
  overflow: hidden;
}

.hidden {
  display: none !important;
}

.graph-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  min-width: 0;
}

#graph-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  outline: none;
  background: var(--crust);
}

#sidekick {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  border-left: 1px solid var(--surface0);
  background: var(--mantle);
  padding: 12px;
}

.panel-title {
  margin-bottom: 10px;
  color: var(--subtext);
  font-size: 13px;
  text-transform: uppercase;
}

.class-list {
  display: grid;
  gap: 8px;
}

.class-button {
  display: grid;
  gap: 4px;
  width: 100%;
  min-height: 58px;
  padding: 8px 10px;
  text-align: left;
}

.class-button-primary {
  border-color: color-mix(in srgb, var(--class-primary-color), white 16%);
  background:
    linear-gradient(90deg, var(--class-primary-color) 0 5px, transparent 5px),
    color-mix(in srgb, var(--class-primary-color), var(--surface0) 78%);
}

.class-button-primary:hover {
  border-color: color-mix(in srgb, var(--class-primary-color), white 34%);
  background:
    linear-gradient(90deg, var(--class-primary-color) 0 5px, transparent 5px),
    color-mix(in srgb, var(--class-primary-color), var(--surface0) 66%);
}

.class-button strong {
  color: var(--teal);
  font-size: 14px;
}

.class-button-primary strong {
  color: var(--class-primary-text-color);
}

.class-button span,
.node-panel-section p {
  color: var(--subtext);
  font-size: 13px;
  line-height: 1.45;
}

.class-button-primary span {
  color: color-mix(in srgb, var(--class-primary-text-color), transparent 12%);
}

.node-panel-tabs {
  margin-bottom: 12px;
}

.node-panel-tabs button {
  flex: 1;
}

.node-name-form {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.node-name-form label {
  color: var(--subtext);
  font-size: 12px;
  text-transform: uppercase;
}

.node-name-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.node-name-row input {
  min-width: 0;
  height: 34px;
  border: 1px solid var(--surface1);
  border-radius: 6px;
  background: var(--crust);
  color: var(--text);
  padding: 0 10px;
}

.node-name-row input:focus {
  border-color: var(--blue);
  outline: none;
}

.node-name-row button {
  padding: 0 10px;
}

.node-panel-section h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

#node-menu {
  --formular-bg: var(--mantle);
  --formular-panel: var(--surface0);
  --formular-border: var(--surface1);
  --formular-text: var(--text);
  --formular-muted: var(--subtext);
  --formular-accent: var(--blue);
}

#node-popups {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--surface0);
}

.popup-panel-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.popup-panel-header h2 {
  margin: 0;
  font-size: 14px;
}

.popup-panel-header button,
.popup-item button {
  min-height: 30px;
  padding: 0 9px;
  font-size: 12px;
}

.popup-empty {
  margin: 0;
}

.popup-list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.popup-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  padding: 8px;
  border: 1px solid var(--surface1);
  border-radius: 6px;
  background: var(--surface0);
}

.popup-item strong {
  display: inline-flex;
  justify-content: center;
  border: 1px solid var(--surface1);
  border-radius: 4px;
  padding: 2px 5px;
  font-size: 11px;
  line-height: 1.4;
  text-transform: uppercase;
}

.popup-item span {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 13px;
  line-height: 1.35;
}

.popup-info strong {
  border-color: color-mix(in srgb, var(--blue), transparent 45%);
  background: color-mix(in srgb, var(--blue), var(--surface0) 84%);
  color: var(--blue);
}

.popup-ward strong {
  border-color: color-mix(in srgb, var(--yellow), transparent 42%);
  background: color-mix(in srgb, var(--yellow), var(--surface0) 84%);
  color: var(--yellow);
}

.popup-err strong {
  border-color: color-mix(in srgb, var(--red), transparent 42%);
  background: color-mix(in srgb, var(--red), var(--surface0) 84%);
  color: var(--red);
}

.logs-panel {
  overflow: auto;
  background: var(--crust);
  padding: 14px;
}

#logs-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

#logs-list li {
  display: grid;
  grid-template-columns: 96px 150px 72px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  border: 1px solid var(--surface0);
  border-radius: 6px;
  background: var(--mantle);
}

#logs-list time {
  color: var(--surface2);
  font-variant-numeric: tabular-nums;
}

#logs-list b {
  color: var(--mauve);
  font-weight: 600;
}

#logs-list strong {
  display: inline-flex;
  justify-content: center;
  min-width: 56px;
  border: 1px solid var(--surface1);
  border-radius: 4px;
  background: var(--surface0);
  color: var(--blue);
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  text-transform: uppercase;
}

#logs-list span {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--subtext);
}

#logs-list .log-warn strong {
  border-color: color-mix(in srgb, var(--yellow), transparent 55%);
  background: color-mix(in srgb, var(--yellow), var(--surface0) 86%);
  color: var(--yellow);
}

#logs-list .log-error strong,
#logs-list .log-fatal strong {
  border-color: color-mix(in srgb, var(--red), transparent 50%);
  background: color-mix(in srgb, var(--red), var(--surface0) 84%);
  color: var(--red);
}

#logs-list .log-info strong {
  border-color: color-mix(in srgb, var(--green), transparent 58%);
  background: color-mix(in srgb, var(--green), var(--surface0) 88%);
  color: var(--green);
}

.config-panel {
  background: var(--crust);
  padding: 14px;
}

#config-text {
  display: block;
  width: 100%;
  height: 100%;
  resize: none;
  border: 1px solid var(--surface0);
  border-radius: 6px;
  background: #11111b;
  color: var(--text);
  padding: 14px;
  line-height: 1.5;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
}

@media (max-width: 900px) {
  .app-header {
    grid-template-columns: 1fr;
  }

  .tabs,
  .actions {
    flex-wrap: wrap;
  }

  .graph-panel {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) minmax(180px, 34vh);
  }

  #sidekick {
    border-left: 0;
    border-top: 1px solid var(--surface0);
  }
}