:root {
  color-scheme: dark;
  --bg: #07080b;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.085);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --text: rgba(255, 255, 255, 0.94);
  --muted: rgba(255, 255, 255, 0.58);
  --faint: rgba(255, 255, 255, 0.38);
  --accent: #5a8cff;
  --accent-2: #5de0ff;
  --danger: #ff6f91;
  --ok: #50d890;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 10%, rgba(90, 140, 255, 0.16), transparent 34%),
    radial-gradient(circle at 78% 20%, rgba(93, 224, 255, 0.12), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid rgba(90, 140, 255, 0.38);
  border-radius: 10px;
  padding: 0 14px;
  background: linear-gradient(135deg, #5a8cff, #5de0ff);
  color: #fff;
  font-weight: 850;
  cursor: pointer;
}

button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.075);
}

button.danger {
  border-color: rgba(255, 111, 145, 0.36);
  background: rgba(255, 111, 145, 0.12);
  color: #ffd8e1;
}

button:disabled {
  opacity: 0.48;
  cursor: default;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  outline: 0;
}

input,
select {
  min-height: 40px;
  padding: 0 12px;
}

textarea {
  min-height: 132px;
  resize: vertical;
  padding: 12px;
  line-height: 1.5;
}

.workflow-shell {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 320px;
  height: 100vh;
}

.workflow-side,
.workflow-inspector {
  display: grid;
  align-content: start;
  gap: 16px;
  min-width: 0;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: rgba(8, 9, 13, 0.84);
  backdrop-filter: blur(18px);
}

.workflow-inspector {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.workflow-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  color: var(--text);
  text-decoration: none;
  font-size: 18px;
  font-weight: 900;
}

.workflow-brand span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(93, 224, 255, 0.34);
  border-radius: 12px;
  background: rgba(93, 224, 255, 0.12);
}

.workflow-brand img {
  width: 34px;
  height: 34px;
}

.workflow-nav,
.node-palette,
.workflow-list,
.edge-list {
  display: grid;
  gap: 8px;
}

.workflow-nav a {
  min-height: 38px;
  display: flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0 12px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 780;
}

.workflow-nav a:hover,
.workflow-nav a.active {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.workflow-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-head h2 {
  margin: 0;
  font-size: 15px;
}

.panel-head button {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.node-palette {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.node-palette button {
  min-height: 36px;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.075);
  color: var(--text);
}

.workflow-item,
.edge-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  cursor: pointer;
}

.workflow-item strong,
.edge-item strong {
  display: block;
  color: var(--text);
  margin-bottom: 5px;
}

.workflow-item.is-active {
  border-color: rgba(93, 224, 255, 0.5);
  background: rgba(93, 224, 255, 0.09);
}

.workflow-main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.workflow-topbar {
  display: grid;
  grid-template-columns: minmax(240px, 0.45fr) minmax(360px, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 8, 11, 0.78);
  backdrop-filter: blur(18px);
}

.workflow-topbar p {
  margin: 0 0 8px;
  color: var(--faint);
  font-size: 12px;
  font-weight: 800;
}

#workflowTitle {
  min-height: 48px;
  border: 0;
  padding: 0;
  background: transparent;
  font-size: 28px;
  font-weight: 900;
}

.workflow-actions {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto auto;
  gap: 10px;
  align-items: end;
}

.workflow-canvas-wrap {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.workflow-canvas {
  position: absolute;
  inset: 0;
  overflow: auto;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

.workflow-edges,
.workflow-nodes {
  position: absolute;
  left: 0;
  top: 0;
  width: 2200px;
  height: 1400px;
}

.workflow-edges {
  pointer-events: none;
}

.workflow-edge {
  fill: none;
  stroke: rgba(93, 224, 255, 0.72);
  stroke-width: 3;
  filter: drop-shadow(0 0 8px rgba(93, 224, 255, 0.18));
}

.workflow-node {
  position: absolute;
  width: 218px;
  min-height: 112px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  padding: 13px 14px;
  background: rgba(20, 23, 31, 0.95);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
  user-select: none;
}

.workflow-node.is-selected {
  border-color: rgba(93, 224, 255, 0.82);
  box-shadow: 0 0 0 2px rgba(93, 224, 255, 0.18), 0 18px 42px rgba(0, 0, 0, 0.34);
}

.workflow-node strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}

.workflow-node span {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border-radius: 999px;
  padding: 0 8px;
  background: rgba(90, 140, 255, 0.14);
  color: #bcd5ff;
  font-size: 12px;
  font-weight: 850;
}

.workflow-node p {
  margin: 9px 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.workflow-port {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.82);
  border-radius: 50%;
  background: var(--accent-2);
  transform: translateY(-50%);
  cursor: crosshair;
}

.workflow-port.in {
  left: -8px;
}

.workflow-port.out {
  right: -8px;
}

.workflow-port.is-connecting {
  box-shadow: 0 0 0 8px rgba(93, 224, 255, 0.18);
}

.workflow-run-panel {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  max-height: 190px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: rgba(10, 12, 16, 0.86);
  backdrop-filter: blur(16px);
}

.workflow-run-panel strong {
  display: block;
  margin-bottom: 8px;
}

#runOutput {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
}

.inspector-form {
  display: grid;
  gap: 11px;
}

.inspector-form label {
  display: grid;
  gap: 7px;
}

.inspector-form span,
.helper,
.inspector-empty {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.hidden {
  display: none !important;
}

.workflow-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  max-width: min(420px, calc(100vw - 44px));
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  padding: 13px 15px;
  background: rgba(24, 26, 32, 0.95);
  color: var(--text);
  box-shadow: var(--shadow);
}

@media (max-width: 1180px) {
  body {
    overflow: auto;
  }

  .workflow-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .workflow-side,
  .workflow-inspector {
    border: 0;
  }

  .workflow-topbar,
  .workflow-actions {
    grid-template-columns: 1fr;
  }

  .workflow-canvas-wrap {
    min-height: 720px;
  }
}