/* ═══ Thread Layout ═══ */
.thread-layout {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.thread-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

/* ═══ Thread Header ═══ */
.thread-hdr {
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.thread-hdr-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.thread-title { font-size: 14px; font-weight: 600; }
.thread-meta  { font-size: 11px; color: var(--ink-muted); display: flex; gap: 10px; }
.thread-meta span::before { content: '·'; margin-right: 10px; color: var(--border-strong); }
.thread-meta span:first-child::before { content: none; }

/* ═══ Thread works list (right sidebar) ═══ */
.thread-sidebar {
  width: 240px;
  min-width: 240px;
  border-left: 1px solid var(--border);
  background: var(--surface);
  overflow-y: auto;
  padding: 12px;
}
.thread-sidebar h4 {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-subtle);
  margin-bottom: 8px;
}
.ts-work-item {
  padding: 8px 10px;
  border-radius: var(--r-md);
  margin-bottom: 4px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 80ms;
}
.ts-work-item:hover { border-color: var(--primary); }
.ts-work-item.active { border-color: var(--primary); background: var(--primary-light); }
.ts-work-name { font-size: 11px; font-weight: 600; margin-bottom: 3px; }
.ts-work-meta { font-size: 10px; color: var(--ink-muted); }

/* ═══ Thread messages ═══ */
.thread-feed {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Scene marker */
.scene-marker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 8px;
  color: var(--ink-subtle);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.scene-marker::before,
.scene-marker::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* System event bar */
.msg-event-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  background: var(--event-bg);
  border: 1px solid var(--event-border);
  font-size: 10px;
  color: var(--event-text);
  font-family: var(--mono);
  margin: 4px 0;
}
.msg-event-bar .ev-icon {
  width: 14px; height: 14px;
  background: var(--event-dot);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.msg-event-bar .ev-icon::after { content: '⚡'; font-size: 8px; }
.msg-event-bar .ev-chain { color: var(--ink-subtle); font-size: 9px; margin-left: auto; }

/* Agent message */
.msg-agent {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0;
  animation: slide-in-right 180ms ease-out;
}
.msg-agent-hdr {
  display: flex;
  align-items: center;
  gap: 6px;
}
.work-type-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .03em;
}
.work-type-tag .dot { width: 4px; height: 4px; border-radius: 50%; }
.agent-lbl { font-size: 11px; font-weight: 600; color: var(--ink-muted); }
.agent-ts   { font-size: 10px; color: var(--ink-subtle); margin-left: auto; }
.msg-agent-body {
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0 var(--r-md) var(--r-md) var(--r-md);
  font-size: 12px;
  line-height: 1.6;
  max-width: 580px;
  box-shadow: var(--shadow-sm);
}

/* Tool call block */
.tool-block {
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.tool-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  background: var(--surface-raised);
  font-size: 10px;
  color: var(--ink-muted);
  cursor: pointer;
  user-select: none;
}
.tool-toggle:hover { background: var(--border); }
.tool-toggle .arr { transition: transform 150ms; font-size: 8px; }
.tool-toggle .arr.open { transform: rotate(90deg); }
.tool-detail {
  display: none;
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.8;
  color: var(--ink-muted);
  background: var(--surface);
}
.tool-detail.open { display: block; }
.tf { color: var(--primary); }
.tr { color: var(--success-text); }
.td { color: var(--ink-subtle); }

/* Waiting indicator */
.waiting-hint {
  margin-top: 8px;
  padding: 6px 10px;
  background: var(--warning-bg);
  border: 1px solid #FDE68A;
  border-radius: var(--r-sm);
  font-size: 11px;
  color: var(--warning-text);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Human message */
.msg-human {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  padding: 8px 0;
  animation: slide-in-right 180ms ease-out;
}
.msg-human-hdr {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-direction: row-reverse;
}
.human-name { font-size: 11px; font-weight: 600; color: var(--primary-dark); }
.human-ts   { font-size: 10px; color: var(--ink-subtle); }
.msg-human-body {
  padding: 8px 12px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--r-md) 0 var(--r-md) var(--r-md);
  font-size: 12px;
  max-width: 400px;
  text-align: right;
}
.msg-human.approved .msg-human-body {
  background: var(--success-text);
}

/* ═══ Input area ═══ */
.thread-input {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.input-box {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface-raised);
  display: flex;
  align-items: center;
  transition: border-color 120ms;
}
.input-box:focus-within { border-color: var(--primary); background: var(--surface); }
.input-box textarea {
  flex: 1;
  border: none;
  background: none;
  padding: 8px 12px;
  font-size: 12px;
  resize: none;
  outline: none;
  max-height: 120px;
}
.send-btn {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background 80ms;
  flex-shrink: 0;
}
.send-btn:hover { background: var(--primary-dark); }
.send-btn svg { width: 13px; height: 13px; }
.input-hint { font-size: 10px; color: var(--ink-subtle); margin-top: 4px; }

/* ═══ Flow admin view ═══ */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  padding: 16px 20px;
}
.flow-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}
.flow-card-hdr {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 8px;
}
.flow-name { font-size: 12px; font-weight: 600; }
.flow-engine { font-size: 10px; color: var(--ink-muted); font-family: var(--mono); margin-top: 2px; }
.flow-progress {
  margin: 10px 0;
  height: 4px;
  background: var(--surface-raised);
  border-radius: 999px;
  overflow: hidden;
}
.flow-progress-bar {
  height: 100%;
  border-radius: 999px;
  background: var(--flow-dot);
  transition: width 600ms ease;
}
.flow-steps-label { font-size: 10px; color: var(--ink-muted); margin-bottom: 4px; }
.flow-waiting {
  margin-top: 8px;
  padding: 6px 8px;
  background: var(--flow-bg);
  border-radius: var(--r-sm);
  font-size: 10px;
  color: var(--flow-text);
  font-family: var(--mono);
}

/* ═══ Event log view ═══ */
.event-log-list {
  padding: 0 20px 24px;
}
.event-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: start;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  transition: background 60ms;
  cursor: pointer;
}
.event-row:hover { background: var(--surface-raised); }
.ev-type { font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--event-text); }
.ev-args { font-size: 10px; color: var(--ink-muted); font-family: var(--mono); margin-top: 3px; }
.ev-status-badge { padding: 2px 7px; border-radius: 999px; font-size: 9px; font-weight: 600; }
.ev-time { font-size: 10px; color: var(--ink-subtle); font-family: var(--mono); }
.ev-handlers { font-size: 10px; color: var(--ink-muted); margin-top: 4px; }
.ev-chain-link { font-size: 9px; color: var(--ink-subtle); font-family: var(--mono); margin-top: 2px; }