/* ================================================================
   Agent 角色平台 - 执行链历史 样式（新架构）
   ================================================================ */

/* Toolbar */
.history-toolbar {
  display: flex; gap: 12px; align-items: center;
  margin-bottom: 20px; flex-shrink: 0; flex-wrap: wrap;
}
.history-toolbar select,
.history-toolbar input {
  padding: 8px 12px; border-radius: var(--radius);
  border: 1px solid var(--border-light); background: var(--bg-input);
  color: var(--text-primary); font-size: 13px; outline: none;
}
.history-toolbar select:focus,
.history-toolbar input:focus { border-color: var(--accent); }
.history-toolbar select { min-width: 180px; }

/* Session List Table */
.history-table-wrap { flex: 1; overflow: auto; }
.history-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.history-table th {
  text-align: left; padding: 10px 14px; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.3px;
  color: var(--text-muted); background: var(--bg-secondary);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1;
}
.history-table td {
  padding: 12px 14px; border-bottom: 1px solid var(--border);
  color: var(--text-secondary); vertical-align: top;
}
.history-table tr:hover td { background: var(--bg-hover); cursor: pointer; }
.history-table .col-agent { width: 140px; color: var(--accent); font-weight: 600; }
.history-table .col-msg { max-width: 280px; }
.history-table .col-msg span {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.history-table .col-time { width: 150px; white-space: nowrap; font-size: 12px; color: var(--text-muted); }
.history-table .col-dur { width: 80px; font-size: 12px; }
.history-table .col-nodes { width: 80px; font-size: 12px; }
.history-table .col-status { width: 70px; }

.status-badge {
  display: inline-flex; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600;
}
.status-badge.ok { background: var(--success-bg); color: var(--success); }
.status-badge.fail { background: var(--danger-bg); color: var(--danger); }

/* ================================================================
   Detail View: Tabs + Error Bar + Content
   ================================================================ */
#historyDetailView {
  display: flex; flex-direction: column; flex: 1; overflow: hidden;
}

/* Tab bar */
.chain-detail-tabs {
  display: flex; gap: 4px; padding: 0 0 12px;
  border-bottom: 1px solid var(--border); margin-bottom: 12px; flex-shrink: 0;
}
.chain-detail-tab {
  padding: 7px 16px; border: none; border-radius: var(--radius);
  background: var(--bg-secondary); color: var(--text-secondary);
  font-size: 13px; cursor: pointer; transition: all 0.15s;
}
.chain-detail-tab:hover { background: var(--bg-hover); color: var(--text-primary); }
.chain-detail-tab.active {
  background: var(--accent); color: #fff; font-weight: 600;
}

/* Error summary bar */
.chain-error-bar {
  padding: 10px 14px; margin: 0 0 12px;
  background: var(--danger-bg); border: 1px solid var(--danger);
  border-radius: var(--radius); font-size: 13px; color: var(--danger);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; flex-shrink: 0;
}

/* Detail content area */
.chain-detail-content {
  flex: 1; overflow: auto; padding: 0 4px;
}

/* Search bar inside detail */
.chain-search-bar {
  display: flex; gap: 8px; margin-bottom: 12px; flex-shrink: 0;
}
.chain-search-bar input {
  flex: 1; padding: 7px 10px; border-radius: var(--radius);
  border: 1px solid var(--border-light); background: var(--bg-input);
  color: var(--text-primary); font-size: 13px; outline: none;
}
.chain-search-bar input:focus { border-color: var(--accent); }

/* Detail meta bar */
.hist-detail-meta {
  padding: 10px 14px; background: var(--bg-input);
  border-radius: var(--radius); margin-bottom: 12px;
  display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px;
  flex-shrink: 0;
}
.hist-detail-meta span { color: var(--text-secondary); }
.hist-detail-meta strong { color: var(--accent); }

/* ================================================================
   Trace Stats
   ================================================================ */
.trace-stats {
  padding: 6px 12px; margin-bottom: 12px;
  background: var(--bg-secondary); border-radius: var(--radius);
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  font-size: 12px; color: var(--text-secondary);
}

/* Performance tier tags */
.perf-tag {
  display: inline-flex; padding: 1px 7px; border-radius: 3px;
  font-size: 11px; font-weight: 600; gap: 2px;
}
.perf-tag.fast { background: #e6ffed; color: #1a7f37; }
.perf-tag.normal { background: #ddf4ff; color: #0969da; }
.perf-tag.slow { background: #fff8c5; color: #9a6700; }
.perf-tag.critical { background: #ffebe9; color: #cf222e; }

/* ================================================================
   Trace Tree
   ================================================================ */
.trace-tree { font-size: 13px; }

.trace-node-wrap {
  /* container for node + its children */
}

.trace-node {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 8px; margin: 2px 0;
  border-radius: 5px; border: 1px solid transparent;
  background: var(--bg-secondary); cursor: pointer;
  transition: all 0.12s;
}
.trace-node:hover {
  background: var(--bg-hover); border-color: var(--border);
}

/* Error & perf highlights */
.trace-error-root {
  background: #ffebe9 !important; border-color: var(--danger) !important;
}
.trace-error-prop {
  border-left: 3px solid #ffa500 !important;
  background: #fff8f0 !important;
}
.trace-critical {
  border-left: 3px solid var(--danger);
}

.trace-expand {
  width: 16px; text-align: center;
  font-size: 10px; color: var(--text-muted); flex-shrink: 0;
}
.trace-type {
  font-size: 14px; flex-shrink: 0;
}
.trace-name {
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--text-primary);
}
.trace-module {
  font-size: 11px; color: var(--text-muted); flex-shrink: 0;
  max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.trace-dur {
  font-size: 11px; color: var(--text-muted); flex-shrink: 0;
  min-width: 50px; text-align: right;
}

/* Detail area */
.trace-detail {
  padding: 4px 8px 8px 34px; margin-bottom: 4px;
}
.trace-io {
  margin: 4px 0; font-size: 12px;
}
.trace-io summary {
  color: var(--accent); cursor: pointer; margin-bottom: 4px;
  font-weight: 500;
}
.trace-io summary:hover { color: var(--accent-hover); }
.trace-size {
  font-size: 10px; color: var(--text-muted); margin-left: 8px;
}
.trace-error-msg {
  padding: 6px 10px; margin: 4px 0;
  background: var(--danger-bg); border: 1px solid var(--danger);
  border-radius: 4px; color: var(--danger); font-size: 12px;
  white-space: pre-wrap; word-break: break-all;
}
.trace-content {
  padding: 6px 10px; margin: 4px 0;
  background: var(--bg-input); border-radius: 4px;
  font-size: 13px; max-height: 300px; overflow: auto;
}

/* Log pre blocks */
.log-pre {
  margin: 0 0 6px; padding: 6px 10px;
  white-space: pre-wrap; font-size: 11px; line-height: 1.4;
  color: var(--text-secondary); background: var(--bg-input);
  border-radius: 4px; max-height: 200px; overflow: auto;
  font-family: 'SF Mono', 'Monaco', 'Menlo', monospace;
}

/* Log entry (tool calls) */
.log-entry {
  padding: 10px 14px; margin-bottom: 8px;
  background: var(--bg-secondary); border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.log-entry:hover { background: var(--bg-hover); }
.log-name {
  font-weight: 600; font-size: 13px; color: var(--text-primary);
}

/* Chat message styles within detail view */
.chain-detail-content .chat-messages {
  display: flex; flex-direction: column; gap: 12px; padding: 8px 0;
}

/* Load More pagination */
.load-more-wrap {
  text-align: center; padding: 16px 0;
}
.load-more-wrap .btn {
  padding: 8px 24px; font-size: 13px;
}