/* ============================================================
   Panel Grid System — Multi-panel workspace layout
   ============================================================ */

/* ---- Workspace grid ---- */
.workspace {
  display: grid;
  grid-template-areas:
    "main right"
    "bottom right";
  grid-template-columns: 1fr auto;
  grid-template-rows: 1fr auto;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.workspace.no-right  { grid-template-areas: "main" "bottom"; grid-template-columns: 1fr; }
.workspace.no-bottom { grid-template-rows: 1fr; }
.workspace.no-right.no-bottom { grid-template-areas: "main"; grid-template-columns: 1fr; grid-template-rows: 1fr; }

.panel-container  { grid-area: main; overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.right-drawer     { grid-area: right; width: var(--right-drawer-w, 360px); border-left: 1px solid var(--c-border); overflow-y: auto; }
.bottom-panel     { grid-area: bottom; height: var(--bottom-panel-h, 280px); border-top: 1px solid var(--c-border); overflow-y: auto; }

/* ---- Panel tabs ---- */
.panel-tabs {
  display: flex;
  align-items: center;
  height: 36px;
  background: var(--c-bg-deep);
  border-bottom: 1px solid var(--c-border);
  padding: 0 8px;
  gap: 2px;
  overflow-x: auto;
  flex-shrink: 0;
}
.panel-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 6px 6px 0 0;
  font-size: 13px;
  color: var(--c-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: all 0.15s;
  border: 1px solid transparent;
  border-bottom: none;
  position: relative;
}
.panel-tab:hover {
  color: var(--c-text-primary);
  background: var(--c-bg-hover);
}
.panel-tab.active {
  color: var(--c-accent);
  background: var(--c-bg-primary);
  border-color: var(--c-border);
}
.panel-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c-accent);
  border-radius: 1px 1px 0 0;
}
.panel-tab .tab-icon  { font-size: 14px; }
.panel-tab .tab-close {
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
  font-size: 11px;
  opacity: 0;
  transition: opacity 0.1s;
}
.panel-tab:hover .tab-close { opacity: 1; }
.panel-tab .tab-close:hover { background: var(--c-bg-hover); color: var(--c-rose); }

/* ---- Panel content area ---- */
.panel-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.panel-content.hidden { display: none; }

/* ---- Right drawer sections ---- */
.drawer-section {
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-border);
}
.drawer-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.drawer-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---- Split view ---- */
.workspace.split-h .panel-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.workspace.split-h .panel-container > .panel-content {
  border-right: 1px solid var(--c-border);
}
.workspace.split-h .panel-container > .panel-content:last-child { border-right: none; }

.workspace.split-v .panel-container {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 0;
}
.workspace.split-v .panel-container > .panel-content {
  border-bottom: 1px solid var(--c-border);
}
.workspace.split-v .panel-container > .panel-content:last-child { border-bottom: none; }

/* ---- Panel resize handle ---- */
.resize-handle {
  position: absolute;
  z-index: 12;
  transition: background 0.15s;
}
.resize-handle:hover,
.resize-handle.active {
  background: var(--c-accent);
  opacity: 0.3;
}
.resize-handle-h { height: 3px; left: 0; right: 0; cursor: row-resize; }
.resize-handle-v { width: 3px; top: 0; bottom: 0; cursor: col-resize; }

/* ---- Mobile: slide-over panels ---- */
@media (max-width: 768px) {
  .workspace {
    grid-template-areas: "main";
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
  }
  .right-drawer {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 100%;
    max-width: 360px;
    z-index: 100;
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }
  .right-drawer.open { transform: translateX(0); }
  .right-drawer-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
  }
  .right-drawer-backdrop.open { opacity: 1; pointer-events: auto; }

  .bottom-panel {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 50vh;
    z-index: 100;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
    transform: translateY(100%);
    transition: transform 0.25s ease;
  }
  .bottom-panel.open { transform: translateY(0); }
}

/* ---- Knowledge base panel ---- */
.kp-panel { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.kp-header { padding: 16px 20px 12px; border-bottom: 1px solid var(--c-border); }
.kp-title { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.kp-toolbar { display: flex; gap: 8px; align-items: center; }
.kp-search {
  flex: 1; padding: 8px 12px; border-radius: 8px;
  border: 1px solid var(--c-border); background: var(--c-surface);
  color: var(--c-text); font-size: 13px; outline: none;
}
.kp-search:focus { border-color: var(--c-blue); }
.kp-btn {
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--c-border);
  background: var(--c-surface); color: var(--c-text); cursor: pointer; font-size: 13px;
}
.kp-btn:hover { background: var(--c-bg-hover, var(--c-border)); }
.kp-btn.primary { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }
.kp-body { flex: 1; overflow-y: auto; padding: 12px 20px; }
.kp-error {
  margin: 12px 20px 0; padding: 10px 14px; border-radius: 8px;
  background: rgba(244, 63, 94, 0.12); border: 1px solid var(--c-rose);
  color: var(--c-rose); font-size: 13px; line-height: 1.5; word-break: break-all;
}
.kp-warn {
  margin: 8px 12px;
  padding: 8px 10px;
  border: 1px solid #f0c36d;
  background: #fdf6e3;
  color: #8a6d3b;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.5;
}
.kp-empty { color: var(--c-text); opacity: 0.5; text-align: center; padding: 40px 0; font-size: 13px; }
.kp-subtitle { font-size: 12px; color: var(--c-text); opacity: 0.6; margin-bottom: 10px; }
.kp-item { padding: 12px; border: 1px solid var(--c-border); border-radius: 10px; margin-bottom: 10px; }
.kp-item-name { font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.kp-item-type {
  font-size: 11px; padding: 2px 8px; border-radius: 6px;
  background: var(--c-blue); color: #fff; opacity: 0.85;
}
.kp-item-score { font-size: 11px; color: var(--c-green); }
/* 登记失败 / 已被取代：状态本身要看得见，不能只靠一个点 */
.kp-item-type.kp-bad { background: var(--c-rose); opacity: 1; }
.kp-item-type.kp-warn-tag { background: #f0c36d; color: #8a6d3b; }
.kp-item-snippet.kp-bad { color: var(--c-rose); opacity: 0.95; }
.kp-item-snippet { font-size: 12px; color: var(--c-text); opacity: 0.7; margin: 6px 0; line-height: 1.5; }
.kp-item-meta { display: flex; align-items: center; gap: 14px; font-size: 12px; margin-top: 4px; }
.kp-item-meta a { color: var(--c-blue); text-decoration: none; }
.kp-item-size { color: var(--c-text); opacity: 0.5; }
.kp-link { background: none; border: none; color: var(--c-rose); cursor: pointer; font-size: 12px; padding: 0; }
.kp-entity-del { float: right; }
.kp-btn.kp-del { color: var(--c-rose); border-color: var(--c-rose); }
.kp-btn.kp-del:hover { background: var(--c-rose); color: #fff; }
.kp-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.kp-tabs button {
  padding: 5px 14px; border-radius: 999px; border: 1px solid var(--c-border);
  background: var(--c-surface); color: var(--c-text); cursor: pointer; font-size: 13px;
}
.kp-tabs button.active { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }
.kp-type-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.kp-type-bar button {
  padding: 4px 12px; border-radius: 999px; border: 1px solid var(--c-border);
  background: var(--c-surface); color: var(--c-text); cursor: pointer; font-size: 12px;
}
.kp-type-bar button.active { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }
.kp-entity-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.kp-entity-search-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kp-entity-card {
  padding: 14px; border: 1px solid var(--c-border); border-radius: 12px;
  cursor: pointer; background: var(--c-surface); transition: box-shadow 0.15s;
}
.kp-entity-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.kp-entity-name { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.kp-entity-attrs { margin-top: 8px; }
.kp-entity-attr { font-size: 12px; color: var(--c-text); opacity: 0.85; line-height: 1.7; word-break: break-all; }
.kp-entity-detail { }
.kp-entity-detail-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.kp-entity-detail-name { font-size: 18px; font-weight: 700; margin-right: 8px; }
.kp-attr-table { border: 1px solid var(--c-border); border-radius: 10px; overflow: hidden; margin-bottom: 14px; }
.kp-attr-row { display: flex; border-bottom: 1px solid var(--c-border); }
.kp-attr-row:last-child { border-bottom: none; }
.kp-attr-key {
  flex: none; width: 120px; padding: 10px 12px; background: var(--c-bg-hover, var(--c-border));
  font-size: 13px; font-weight: 500; color: var(--c-text); opacity: 0.7;
}
.kp-attr-val { flex: 1; padding: 10px 12px; font-size: 13px; word-break: break-all; }
.kp-relations { margin-top: 4px; }
.kp-relation { font-size: 13px; padding: 6px 0; line-height: 1.6; }
.kp-relation-link { color: var(--c-blue); }

/* ---- Knowledge graph ---- */
.kp-graph-body { display: flex; flex-direction: column; }
.kp-graph-legend { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; flex-shrink: 0; }
.kp-legend-item { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--c-text); opacity: 0.8; }
.kp-legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.kp-graph-svg { width: 100%; height: auto; flex: 1; min-height: 300px; }
.kp-graph-edge { stroke: var(--c-border); stroke-width: 1.5; }
.kp-graph-edge-label { fill: var(--c-text); opacity: 0.55; font-size: 10px; pointer-events: none; }
.kp-graph-node { cursor: pointer; }
.kp-graph-node-circle { stroke: #fff; stroke-width: 2; transition: stroke 0.15s; }
.kp-graph-node:hover .kp-graph-node-circle { stroke: var(--c-accent); stroke-width: 3; }
.kp-graph-node-label { fill: var(--c-text); font-size: 12px; pointer-events: none; }

/* ---- Knowledge clusters ---- */
.kp-cluster { border: 1px solid var(--c-border); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; }
.kp-cluster-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.kp-cluster-label { font-size: 14px; font-weight: 600; color: var(--c-blue); }
.kp-cluster-file { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 4px 0; }
.kp-def-new { display: flex; gap: 8px; margin-bottom: 14px; }
.kp-def-type { border: 1px solid var(--c-border); border-radius: 12px; padding: 14px; margin-bottom: 12px; }
.kp-def-type-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.kp-def-type-name { font-size: 15px; font-weight: 600; color: var(--c-blue); }
.kp-def-fields { margin-bottom: 10px; }
.kp-def-field { display: flex; align-items: center; gap: 10px; padding: 5px 0; font-size: 13px; border-bottom: 1px dashed var(--c-border-light); }
.kp-def-field.deprecated { opacity: 0.45; text-decoration: line-through; }
.kp-def-field-name { font-weight: 500; min-width: 90px; }
.kp-def-field-desc { color: var(--c-text-secondary, var(--c-text)); opacity: 0.6; font-size: 12px; }
.kp-def-add-field { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.kp-history { margin-top: 14px; }
.kp-history-row { display: flex; align-items: center; gap: 12px; padding: 5px 0; font-size: 13px; border-bottom: 1px dashed var(--c-border-light); }
.kp-history-key { font-weight: 500; min-width: 70px; color: var(--c-blue); }
.kp-history-val { flex: 1; }

/* ---- Notes panel ---- */
.np-panel { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.np-header { padding: 12px 14px 8px; border-bottom: 1px solid var(--c-border); display: flex; flex-direction: column; gap: 8px; }
.np-title { font-size: 16px; font-weight: 700; color: var(--c-text); }
.np-tabs { display: flex; gap: 6px; }
.np-tabs button { padding: 4px 12px; border-radius: 6px; font-size: 12px; background: transparent; border: 1px solid var(--c-border); color: var(--c-text-secondary); cursor: pointer; }
.np-tabs button.active { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }
.np-toolbar { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.np-search { flex: 1; min-width: 120px; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); font-size: 13px; }
.np-search:focus { outline: none; border-color: var(--c-blue); }
.np-btn { padding: 6px 12px; border-radius: 8px; font-size: 12px; background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-text); cursor: pointer; }
.np-btn.primary { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }
.np-btn.np-del { color: var(--c-error, #ef4444); border-color: var(--c-error, #ef4444); }
.np-error { margin: 8px 14px 0; padding: 8px 10px; border-radius: 8px; background: rgba(239,68,68,0.12); color: var(--c-error, #ef4444); font-size: 12px; }
.np-body { flex: 1; overflow-y: auto; padding: 12px 14px; min-height: 0; }
.np-empty { text-align: center; padding: 40px 12px; color: var(--c-text-secondary); font-size: 13px; }
.np-subtitle { font-size: 12px; color: var(--c-text-secondary); margin-bottom: 8px; }
.np-list { display: flex; flex-direction: column; gap: 8px; }
.np-item { border: 1px solid var(--c-border); border-radius: 10px; padding: 10px 12px; cursor: pointer; }
.np-item:hover { border-color: var(--c-blue); }
.np-item-name { font-size: 14px; font-weight: 600; color: var(--c-text); display: flex; align-items: center; gap: 8px; }
.np-score { font-size: 11px; color: var(--c-text-secondary); }
.np-type { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--c-surface); color: var(--c-text-secondary); }
.np-snippet { font-size: 12px; color: var(--c-text-secondary); margin-top: 4px; }
.np-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.np-tag { font-size: 11px; color: var(--c-blue); cursor: pointer; }
.np-editor { display: flex; flex-direction: column; gap: 10px; height: 100%; }
.np-editor-head { display: flex; align-items: center; gap: 8px; }
.np-title-input { flex: 1; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); font-size: 15px; font-weight: 600; }
.np-editor-actions { display: flex; gap: 6px; }
.np-tags-input { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); font-size: 12px; }
.np-content-input { flex: 1; padding: 10px; border-radius: 8px; border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); font-size: 13px; font-family: var(--font-mono, monospace); resize: none; min-height: 200px; }
.np-backlinks { border-top: 1px solid var(--c-border); padding-top: 10px; }
.np-backlink { font-size: 13px; color: var(--c-blue); cursor: pointer; padding: 4px 0; }
.np-graph-body { overflow: hidden; }
.np-graph-svg { width: 100%; height: 100%; }
.np-graph-edge { stroke: var(--c-border); stroke-width: 1; }
.np-graph-node { cursor: pointer; }
.np-graph-node-circle { fill: var(--c-blue); opacity: 0.85; }
.np-graph-node-label { font-size: 11px; fill: var(--c-text); }
/* ---------- memory panel（记忆人审面，docs/memory-redesign-plan.md §S2/§S4/§S6） ---------- */
.mp-panel { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.mp-header { padding: 16px 20px 12px; border-bottom: 1px solid var(--c-border); }
.mp-title { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.mp-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.mp-tabs button { padding: 6px 12px; border-radius: 8px; font-size: 12px; background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-text); cursor: pointer; }
.mp-tabs button.active { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }
.mp-toolbar { display: flex; gap: 8px; align-items: center; }
.mp-select, .mp-input { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); font-size: 12px; }
.mp-input { flex: 1; }
.mp-btn { padding: 6px 12px; border-radius: 8px; font-size: 12px; background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-text); cursor: pointer; }
.mp-btn.primary { background: var(--c-blue); border-color: var(--c-blue); color: #fff; }
.mp-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.mp-error { margin: 8px 20px 0; padding: 8px 10px; border-radius: 8px; background: rgba(239,68,68,0.12); color: var(--c-error, #ef4444); font-size: 12px; }
.mp-notice { margin: 8px 20px 0; padding: 8px 10px; border-radius: 8px; background: rgba(59,130,246,0.12); color: var(--c-blue); font-size: 12px; }
.mp-body { flex: 1; overflow-y: auto; padding: 12px 20px; min-height: 0; }
.mp-empty { text-align: center; padding: 40px 12px; color: var(--c-text); opacity: 0.5; font-size: 13px; }
.mp-hint { font-size: 12px; color: var(--c-text); opacity: 0.6; }
.mp-list { display: flex; flex-direction: column; gap: 8px; }
.mp-item { border: 1px solid var(--c-border); border-radius: 10px; padding: 10px 12px; cursor: pointer; }
.mp-item:hover { border-color: var(--c-blue); }
.mp-item-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mp-item-name { font-size: 14px; font-weight: 600; }
.mp-status { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--c-surface); }
.mp-status.active { color: var(--c-green, #22c55e); }
.mp-status.candidate { color: var(--c-amber, #f59e0b); }
.mp-status.rejected { color: var(--c-error, #ef4444); }
.mp-score { font-size: 11px; color: var(--c-text); opacity: 0.6; margin-left: auto; }
.mp-snippet { font-size: 12px; color: var(--c-text); opacity: 0.7; margin-top: 4px; }
.mp-detail { border-top: 1px solid var(--c-border); margin-top: 10px; padding-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.mp-meta { font-size: 11px; color: var(--c-text); opacity: 0.6; }
.mp-content { white-space: pre-wrap; word-break: break-word; font-size: 12px; margin: 0; padding: 8px 10px; border-radius: 8px; background: var(--c-surface); max-height: 240px; overflow-y: auto; }
.mp-section-title { font-size: 12px; font-weight: 600; margin-top: 4px; }
.mp-evidence { font-size: 12px; padding: 3px 0; }
.mp-evidence-add { display: flex; gap: 6px; }
.mp-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.mp-inj, .mp-suggestion { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; padding: 6px 0; border-bottom: 1px dashed var(--c-border); font-size: 12px; }
.mp-lane { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--c-surface); }
.mp-link { border: none; background: transparent; color: var(--c-blue); cursor: pointer; padding: 0; font-size: 12px; text-decoration: underline; }

/* 记忆面板 · 趋势页（S5，2026-10-06）：逐日注入的条形 + 反复失败 */
.mp-trend { display: flex; align-items: flex-end; gap: 3px; height: 74px; padding: 4px 0; }
.mp-trend-col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end;
  align-items: center; gap: 3px; min-width: 0; }
.mp-trend-bar { width: 100%; min-height: 0; background: var(--c-accent, #6df4ff); opacity: 0.75;
  border-radius: 2px; }
.mp-trend-label { font-size: 9px; color: var(--c-text-tertiary); }
/* 单条失败指纹自己的形状：贴在"反复失败"那一行后面，不占一张卡 */
.mp-spark { display: inline-flex; align-items: flex-end; gap: 1px; height: 12px; margin-left: 6px;
  vertical-align: middle; }
.mp-spark-bar { width: 3px; min-height: 0; background: var(--c-accent, #6df4ff); opacity: 0.7;
  border-radius: 1px; }