:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e7ecf2;
  --muted: #8b98a8;
  --accent: #3d8bfd;
  --done: #3dd68c;
  --run: #ffb020;
  --err: #ff6b6b;
  --border: #2a3544;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.top h1 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.pill {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.pill-ok {
  border-color: var(--done);
  color: var(--done);
}

.pill-off {
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 1rem 0;
}

.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.45rem 0.9rem;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
}

.tab.active {
  background: var(--panel);
  color: var(--text);
  border-bottom-color: var(--panel);
}

.layout {
  flex: 1;
  background: var(--panel);
  margin: 0 1rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0 8px 8px 8px;
  min-height: 420px;
}

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

.panel.active {
  display: flex;
}

.chat-log {
  flex: 1;
  overflow: auto;
  padding: 1rem;
  font-size: 0.95rem;
  line-height: 1.45;
  white-space: pre-wrap;
}

.chat-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
}

.chat-form input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
}

.chat-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  cursor: pointer;
}

.chat-form button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#panel-orch {
  display: none;
  grid-template-columns: 1fr 280px;
  gap: 0;
}

#panel-orch.active {
  display: grid;
}

.orch-wrap {
  position: relative;
  min-height: 320px;
  padding: 1.5rem;
}

.graph {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.node {
  min-width: 140px;
  padding: 0.65rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.node.selected {
  border-color: var(--accent);
}

.node.running {
  border-color: var(--run);
  box-shadow: 0 0 0 2px rgba(255, 176, 32, 0.25);
}

.node.done {
  border-color: var(--done);
}

.node .label {
  font-weight: 600;
  font-size: 0.9rem;
}

.node .meta {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.node.tool-proxy .label::after {
  content: " 🔧";
}

.edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.transcript {
  border-left: 1px solid var(--border);
  padding: 0.75rem 1rem;
  overflow: auto;
  font-size: 0.85rem;
}

.transcript h2 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

#transcript-list {
  margin: 0;
  padding-left: 1.1rem;
}

#transcript-list li {
  margin-bottom: 0.45rem;
}

.msg-user {
  color: var(--accent);
}

.msg-assistant {
  color: var(--text);
}

.act-proposal {
  margin: 0.75rem 0;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 10px;
  background: #121820;
  max-width: 36rem;
}

.act-proposal-head {
  font-weight: 600;
  margin-bottom: 0.45rem;
  color: var(--accent);
}

.act-proposal-body {
  white-space: pre-wrap;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.65rem;
}

.act-proposal-actions {
  display: flex;
  gap: 0.5rem;
}

.act-btn {
  border-radius: 8px;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  cursor: pointer;
  border: 1px solid var(--border);
}

.act-approve {
  background: var(--done);
  color: #0f1419;
  border-color: var(--done);
}

.act-reject {
  background: transparent;
  color: var(--muted);
}