:root {
  color-scheme: light;
  --bg: #f3efe4;
  --panel: rgba(255, 252, 245, 0.88);
  --line: rgba(43, 40, 35, 0.12);
  --text: #1d1c19;
  --muted: #716c61;
  --accent: #1f6feb;
  --danger: #b42318;
  --shadow: 0 18px 48px rgba(31, 28, 25, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Source Han Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(31, 111, 235, 0.12), transparent 24rem),
    linear-gradient(180deg, #f8f5ec 0%, var(--bg) 100%);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  padding: 0.75rem 1rem;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

button.danger {
  color: var(--danger);
}

input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: white;
  padding: 0.75rem 0.875rem;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
}

.sidebar,
.content {
  padding: 1.5rem;
}

.content {
  display: grid;
  gap: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 1rem;
  backdrop-filter: blur(12px);
}

.panel-header,
.row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.between {
  justify-content: space-between;
}

.hero {
  padding: 1.5rem;
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack {
  display: grid;
  gap: 0.75rem;
}

.list,
.timeline {
  display: grid;
  gap: 0.75rem;
  max-height: 32rem;
  overflow: auto;
}

.timeline.compact {
  max-height: 24rem;
}

.session-item,
.card,
.message,
.event {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  padding: 0.875rem;
}

.session-item {
  text-align: left;
  display: grid;
  gap: 0.35rem;
  width: 100%;
  background: white;
  color: var(--text);
}

.session-item.active {
  outline: 2px solid rgba(31, 111, 235, 0.2);
}

.message header,
.event header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.message.manager {
  background: rgba(31, 111, 235, 0.08);
}

.badge {
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.8rem;
  border: 1px solid var(--line);
  background: white;
}

.badge.running,
.badge.busy {
  color: var(--accent);
}

.badge.failed,
.badge.cancelled,
.badge.rejected {
  color: var(--danger);
}

.badge.completed,
.badge.approved,
.badge.idle {
  color: #0f7b55;
}

.tags,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.tags span {
  border-radius: 999px;
  padding: 0.18rem 0.5rem;
  background: rgba(31, 111, 235, 0.1);
  color: var(--accent);
  font-size: 0.82rem;
}

.caption,
.muted {
  color: var(--muted);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 1100px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}