/* Faultline demo cockpit - dark ops-console theme.
   Server-rendered shell + vanilla JS; no build step, no framework. */

:root {
  --bg: #080b11;
  --bg-grid: #0b0f17;
  --panel: #11161f;
  --panel-alt: #161c27;
  --border: #232c3c;
  --border-soft: #1a2130;
  --text: #e7edf5;
  --text-dim: #9aa7bd;
  --text-faint: #5d6a82;
  --accent: #4da3ff;
  --accent-soft: rgba(77, 163, 255, 0.14);
  --accent-strong: #7cc0ff;
  --green: #34d399;
  --green-soft: rgba(52, 211, 153, 0.14);
  --amber: #ffb454;
  --amber-soft: rgba(255, 180, 84, 0.14);
  --red: #ff5c7a;
  --red-soft: rgba(255, 92, 122, 0.16);
  --unknown: #4a5468;
  --purple: #b48cff;
  --edge-color: #37415a;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  --radius: 12px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(77, 163, 255, 0.07), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(180, 140, 255, 0.05), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 28px 40px;
}

/* ---------------------------------------------------------------- topbar */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px 22px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 22px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.brand-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.14em;
  color: var(--text);
}

.brand-tag {
  font-size: 12.5px;
  color: var(--text-faint);
  letter-spacing: 0.01em;
}

.session-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.session-label {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 10.5px;
}

.session-id {
  color: var(--accent-strong);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--unknown);
  flex-shrink: 0;
}

.dot-live {
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse-dot 2.2s infinite;
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}

/* ------------------------------------------------------------------ grid */

.layout {
  display: grid;
  grid-template-columns: minmax(380px, 480px) 1fr;
  gap: 22px;
  align-items: start;
}

@media (max-width: 1020px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.col {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ------------------------------------------------------------------ card */

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-alt));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card.hidden {
  display: none;
}

.card-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 20px 13px;
  border-bottom: 1px solid var(--border-soft);
}

.card-head h2 {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.card-sub {
  color: var(--text-faint);
  font-size: 12px;
}

.card-head-toggle {
  cursor: pointer;
  user-select: none;
}

.chevron {
  margin-left: auto;
  color: var(--text-faint);
  transition: transform 0.15s ease;
}

.chevron.open {
  transform: rotate(90deg);
}

.card-body {
  padding: 18px 20px 20px;
}

.card-body.hidden {
  display: none;
}

.pill {
  margin-left: auto;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-transform: uppercase;
}

.pill.state-running {
  color: var(--accent-strong);
  border-color: rgba(77, 163, 255, 0.35);
  background: var(--accent-soft);
}

.pill.state-diagnosis {
  color: var(--green);
  border-color: rgba(52, 211, 153, 0.35);
  background: var(--green-soft);
}

.pill.state-inconclusive {
  color: var(--amber);
  border-color: rgba(255, 180, 84, 0.35);
  background: var(--amber-soft);
}

.pill.state-error,
.pill.state-budget_exhausted {
  color: var(--red);
  border-color: rgba(255, 92, 122, 0.35);
  background: var(--red-soft);
}

/* -------------------------------------------------------------- topology */

#topology-svg {
  width: 100%;
  height: auto;
  display: block;
}

.edge {
  stroke: var(--edge-color);
  stroke-width: 2.5;
}

.node-body {
  fill: var(--panel-alt);
  stroke: var(--unknown);
  stroke-width: 3;
  transition: stroke 0.4s ease, fill 0.4s ease;
}

.node[data-state="green"] .node-body {
  stroke: var(--green);
  fill: rgba(52, 211, 153, 0.08);
}

.node[data-state="amber"] .node-body {
  stroke: var(--amber);
  fill: rgba(255, 180, 84, 0.09);
}

.node[data-state="red"] .node-body {
  stroke: var(--red);
  fill: rgba(255, 92, 122, 0.1);
}

.node-icon {
  fill: var(--text-dim);
  font-size: 26px;
  text-anchor: middle;
  dominant-baseline: middle;
}

.node-label {
  fill: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-anchor: middle;
}

.node-role {
  fill: var(--text-faint);
  font-size: 11px;
  text-anchor: middle;
}

.node-metric {
  fill: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-anchor: middle;
}

.node-halo {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  opacity: 0;
}

.node.inspecting .node-halo {
  opacity: 1;
  animation: inspect-pulse 1.3s ease-in-out infinite;
}

@keyframes inspect-pulse {
  0% {
    r: 50;
    opacity: 0.9;
  }
  100% {
    r: 68;
    opacity: 0;
  }
}

.node-ring {
  fill: none;
  stroke-width: 3.5;
  opacity: 0;
}

.node-ring-origin {
  stroke: var(--red);
}

.node-ring-victim {
  stroke: var(--amber);
  stroke-dasharray: 6 5;
}

.node.origin .node-ring-origin {
  opacity: 1;
}

.node.victim .node-ring-victim {
  opacity: 1;
}

.node-badge {
  text-anchor: middle;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0;
  y: -100;
}

.node.origin .origin-badge {
  opacity: 1;
  fill: var(--red);
}

.node.victim .victim-badge {
  opacity: 1;
  fill: var(--amber);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
  font-size: 11.5px;
  color: var(--text-dim);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-sep {
  flex-grow: 1;
}

.swatch {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.swatch-green {
  background: var(--green);
}

.swatch-amber {
  background: var(--amber);
}

.swatch-red {
  background: var(--red);
}

.swatch-unknown {
  background: var(--unknown);
}

.swatch-inspect {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* --------------------------------------------------------------- buttons */

.btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text);
  padding: 9px 16px;
  cursor: pointer;
  transition: filter 0.12s ease, transform 0.05s ease;
}

.btn:hover {
  filter: brightness(1.15);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
}

.btn-primary {
  background: linear-gradient(180deg, #3f92f0, #2f7ad9);
  border-color: #4da3ff;
  color: #04101f;
}

.btn-secondary {
  background: var(--panel-alt);
  border-color: var(--border);
  color: var(--text-dim);
}

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

.btn-small {
  padding: 5px 11px;
  font-size: 12px;
}

.btn-large {
  padding: 12px 22px;
  font-size: 14px;
}

/* ------------------------------------------------------------- composer */

.preset-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 1280px) {
  .preset-row {
    grid-template-columns: 1fr;
  }
}

.preset-skeleton {
  color: var(--text-faint);
  font-size: 12.5px;
  padding: 10px 2px;
}

.preset-btn {
  text-align: left;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.preset-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.preset-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.preset-title {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 4px;
}

.preset-desc {
  font-size: 11.5px;
  color: var(--text-faint);
  line-height: 1.4;
}

.divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 14px;
  color: var(--text-faint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-soft);
}

.field-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.field-row label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex: 1;
  min-width: 120px;
}

.field-row label.grow {
  flex: 2;
}

select,
input[type="text"],
input[type="number"] {
  font-family: var(--font-mono);
  background: #0c1119;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 12.5px;
}

select:focus,
input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-actions {
  align-items: center;
  justify-content: space-between;
}

.stack-count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
}

.primitive-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}

.primitive-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.primitive-chip button {
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

.primitive-chip button:hover {
  color: var(--red);
}

.activation-row {
  align-items: flex-end;
  margin-top: 6px;
}

.inline-error {
  margin-top: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 92, 122, 0.35);
  background: var(--red-soft);
  color: #ffb4c2;
  font-size: 12.5px;
}

.inline-error.hidden {
  display: none;
}

/* ------------------------------------------------------------ active fault */

.active-fault {
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 180, 84, 0.35);
  background: var(--amber-soft);
  border-radius: 10px;
}

.active-fault.hidden {
  display: none;
}

.active-fault-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.active-fault-name {
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 3px;
}

.active-fault-primitives {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
}

.active-fault-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.countdown {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--amber);
  min-width: 52px;
  text-align: right;
}

/* ------------------------------------------------------------ investigate */

.investigate-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.run-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}

.stream-log {
  background: #070a10;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  padding: 12px 14px;
  height: 360px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 12px;
}

.stream-empty {
  color: var(--text-faint);
  line-height: 1.6;
  padding: 8px 4px;
}

.trace-row {
  display: grid;
  grid-template-columns: 64px 84px 1fr auto;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border-soft);
  align-items: baseline;
}

.trace-row:last-child {
  border-bottom: none;
}

.trace-kind {
  text-transform: uppercase;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 4px;
  height: fit-content;
}

.trace-kind-model_call {
  color: var(--purple);
  background: rgba(180, 140, 255, 0.12);
}

.trace-kind-tool_call {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.trace-kind-decision {
  color: var(--green);
  background: var(--green-soft);
}

.trace-kind-final {
  color: var(--amber);
  background: var(--amber-soft);
}

.trace-step {
  color: var(--text-faint);
}

.trace-main {
  color: var(--text-dim);
  overflow-wrap: anywhere;
}

.trace-name {
  color: var(--text);
  font-weight: 600;
}

.trace-io {
  color: var(--text-faint);
  display: block;
  margin-top: 2px;
}

.trace-stats {
  color: var(--text-faint);
  text-align: right;
  white-space: nowrap;
  font-size: 11px;
}

.stream-line-error {
  color: var(--red);
  padding: 6px 0;
}

.stream-line-final {
  color: var(--green);
  padding: 6px 0;
  font-weight: 700;
}

/* ------------------------------------------------------------- diagnosis */

.diag-summary {
  font-size: 14px;
  color: var(--text);
  margin: 0 0 14px;
  line-height: 1.55;
}

.diag-section {
  margin-bottom: 16px;
}

.diag-label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.origin-card {
  background: var(--red-soft);
  border: 1px solid rgba(255, 92, 122, 0.3);
  border-radius: 8px;
  padding: 10px 13px;
  margin-bottom: 8px;
}

.origin-service {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red);
  font-size: 13px;
}

.origin-mechanism {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  margin: 3px 0;
}

.origin-detail {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.5;
}

.blast-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.blast-chip {
  background: var(--amber-soft);
  border: 1px solid rgba(255, 180, 84, 0.3);
  color: var(--amber);
  border-radius: 999px;
  padding: 4px 11px;
  font-family: var(--font-mono);
  font-size: 11.5px;
}

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

.evidence-item {
  display: flex;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 12.5px;
  color: var(--text-dim);
}

.evidence-item:last-child {
  border-bottom: none;
}

.evidence-ref {
  font-family: var(--font-mono);
  color: var(--accent-strong);
  cursor: pointer;
  flex-shrink: 0;
}

.remediation-box {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}

.remediation-action {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 8px;
}

.approval-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid rgba(255, 180, 84, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
}

.inconclusive-box {
  background: var(--amber-soft);
  border: 1px solid rgba(255, 180, 84, 0.3);
  border-radius: 8px;
  padding: 13px 15px;
}

.inconclusive-title {
  font-weight: 700;
  color: var(--amber);
  font-size: 13px;
  margin-bottom: 6px;
}

.ruled-out-list {
  margin: 6px 0 0;
  padding-left: 18px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.diag-stats {
  display: flex;
  gap: 22px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.diag-stat b {
  color: var(--text);
  display: block;
  font-size: 15px;
}

.error-box {
  background: var(--red-soft);
  border: 1px solid rgba(255, 92, 122, 0.35);
  border-radius: 8px;
  padding: 13px 15px;
  color: #ffb4c2;
  font-size: 12.5px;
}

/* ------------------------------------------------------------------ trace */

.table-wrap {
  overflow-x: auto;
}

.trace-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.trace-table th {
  text-align: left;
  color: var(--text-faint);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.04em;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.trace-table td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  vertical-align: top;
  max-width: 260px;
  overflow-wrap: anywhere;
}

.trace-table tr.highlight {
  background: var(--accent-soft);
}

.table-empty {
  color: var(--text-faint);
  font-size: 12px;
  padding: 10px 2px 2px;
}

/* -------------------------------------------------------------- scoreboard */

.scoreboard {
  margin-top: 22px;
  background: linear-gradient(180deg, var(--panel), var(--panel-alt));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px 20px;
  box-shadow: var(--shadow);
}

.scoreboard-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.scoreboard-head h2 {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.scoreboard-tiles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

@media (max-width: 900px) {
  .scoreboard-tiles {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tile {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 14px 16px;
}

.tile-label {
  color: var(--text-faint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.tile-value {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
}

.tile-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 3px;
}

.tile-empty {
  grid-column: 1 / -1;
  color: var(--text-faint);
  text-align: center;
  padding: 18px 0;
  font-size: 13px;
}

/* --------------------------------------------------------------- scrollbar */

.stream-log::-webkit-scrollbar,
.table-wrap::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.stream-log::-webkit-scrollbar-thumb,
.table-wrap::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}