:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #111827;
  --panel-2: #162131;
  --panel-3: #0d1624;
  --line: #2b3b52;
  --ink: #f8fafc;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --accent: #38bdf8;
  --accent-2: #22c55e;
  --warn: #facc15;
  --danger: #fb7185;
  --surface: #f8fafc;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  min-width: 1260px;
  background:
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    var(--bg);
  background-size: 18px 18px;
  color: var(--ink);
  font: 14px/1.45 Inter, "Segoe UI", Arial, sans-serif;
}

button,
a {
  font: inherit;
}

.app-header {
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 12px;
  background: rgba(8, 13, 23, 0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header strong {
  display: block;
  font-size: 14px;
  letter-spacing: 0.01em;
  color: #f8fafc;
}

.app-header span {
  color: var(--muted);
  display: block;
  font-size: 12px;
}

.app-header nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-header nav a,
.app-header nav button {
  color: #f8fafc !important;
  text-decoration: none;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.5);
  border-radius: 8px;
  padding: 7px 11px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.2;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.app-header nav a:hover,
.app-header nav button:hover {
  background: rgba(30, 41, 59, 0.96);
  border-color: #7dd3fc;
  color: #ffffff !important;
}

#startWorkflowButton {
  border-color: var(--warn);
  color: #fde68a !important;
  font-weight: 800;
}

.app-header nav button:disabled {
  color: #cbd5e1 !important;
  background: rgba(15, 23, 42, 0.56);
  border-color: rgba(148, 163, 184, 0.34);
  cursor: not-allowed;
  opacity: 1;
}

.workspace {
  height: calc(100vh - 54px);
  display: grid;
  grid-template-columns: 420px minmax(720px, 1fr) 360px;
  gap: 10px;
  padding: 10px;
}

.source-column,
.preview-column,
.runtime-column {
  min-height: 0;
}

.source-column,
.preview-column,
.runtime-panel {
  background: rgba(17, 24, 39, 0.92);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.source-column {
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.tabs {
  display: flex;
  gap: 6px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.9);
}

.tab {
  min-width: 0;
  flex: 1 1 0;
  border: 1px solid #d6e1ef;
  border-radius: 8px;
  background: #ffffff;
  color: #334155;
  padding: 9px 8px;
  cursor: pointer;
}

.tab.active {
  background: #e0f2fe;
  border-color: #38bdf8;
  color: #075985;
  font-weight: 800;
}

.editor-stack {
  min-height: 0;
  position: relative;
}

.editor-pane {
  display: none;
  height: 100%;
  min-height: 0;
}

.editor-pane.active {
  display: grid;
  grid-template-rows: 34px 1fr;
}

.editor-pane span {
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: #cbd5e1;
  background: #1e293b;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
}

textarea {
  width: 100%;
  height: 100%;
  resize: none;
  border: 0;
  outline: 0;
  padding: 14px;
  background: #0b1220;
  color: #e2e8f0;
  font: 12px/1.55 "Cascadia Mono", Consolas, monospace;
  tab-size: 2;
  white-space: pre;
  overflow: auto;
}

.source-note {
  margin: 0;
  padding: 10px 12px;
  color: #cbd5e1;
  background: rgba(15, 23, 42, 0.92);
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.preview-column {
  display: grid;
  grid-template-rows: 48px 1fr;
}

.panel-head {
  min-height: 48px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.82);
}

.panel-head strong {
  display: block;
}

.panel-head span {
  color: var(--muted);
  display: block;
  font-size: 12px;
}

.status-pill {
  align-self: center;
  border-radius: 999px;
  padding: 5px 11px;
  color: #86efac !important;
  border: 1px solid rgba(34, 197, 94, 0.45);
  background: rgba(34, 197, 94, 0.12);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.preview-stage {
  min-height: 0;
  overflow: auto;
  padding: 24px;
  background:
    linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    #0b1220;
  background-size: 18px 18px;
}

.document-mount {
  max-width: 980px;
  margin: 0 auto 48px;
  color: #dbeafe;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
}

.document-mount > h1,
.document-mount > h2,
.document-mount > h3,
.document-mount > p,
.document-mount > ul {
  width: min(960px, 100%);
  flex: 0 0 auto;
}

.document-mount h1,
.document-mount h2 {
  margin: 0 0 10px;
  color: #ffffff;
}

.document-mount h1 {
  font-size: 28px;
}

.document-mount p {
  color: #cbd5e1;
  margin: 8px 0 16px;
}

.document-mount ul {
  margin: 0 0 18px 20px;
  padding: 0;
  color: #cbd5e1;
}

.xcon-viewer-host {
  position: relative;
  flex: 0 0 auto;
  margin: 18px 0;
  border-radius: 20px;
  overflow: hidden;
  background: transparent;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

.xcon-viewer-host > .xa-al-form-root,
.xcon-viewer-host > [data-xcon-type="form"] {
  position: absolute !important;
  left: 0 !important;
  top: 0 !important;
}

.runtime-column {
  min-height: 0;
  display: grid;
  grid-template-rows: 1.1fr 0.9fr 1.1fr;
  gap: 10px;
}

.runtime-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto 1fr;
}

.trace-panel {
  grid-template-rows: auto 1fr;
}

.progress-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 12px;
  color: #cbd5e1;
  border-bottom: 1px solid var(--line);
}

.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #263449;
}

.progress-track i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 180ms ease;
}

.runtime-code,
.runtime-log,
.alias-list {
  min-height: 0;
  margin: 0;
  padding: 12px;
  overflow: auto;
  background: #0b1220;
  color: #dbeafe;
  font: 11px/1.5 "Cascadia Mono", Consolas, monospace;
}

.alias-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

.alias-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.alias-item b {
  display: block;
  color: #93c5fd;
  font-size: 12px;
}

.alias-item span {
  display: block;
  margin-top: 2px;
  color: #f8fafc;
  word-break: break-word;
}

.log-line {
  padding: 8px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.log-line b {
  color: #e0f2fe;
}

.error-box {
  border: 1px solid rgba(248, 113, 113, 0.55);
  background: rgba(127, 29, 29, 0.22);
  color: #fecaca;
  border-radius: 12px;
  padding: 14px;
  white-space: pre-wrap;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.65);
}

::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 999px;
  border: 2px solid rgba(15, 23, 42, 0.65);
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}