:root {
  --color-bg: #ffffff;
  --color-bg-card: #f8f9fa;
  --color-bg-hover: #e2e6ea;
  --color-bg-input: #ffffff;
  --color-bg-overlay: rgba(0, 0, 0, 0.5);

  --color-text: #212529;
  --color-text-secondary: #495057;
  --color-text-muted: #6c757d;
  --color-text-inverse: #ffffff;

  --color-primary: #0d6efd;
  --color-primary-hover: #0b5ed7;
  --color-success: #198754;
  --color-danger: #dc3545;
  --color-warning: #ffc107;
  --color-info: #0d6efd;

  --color-border: #dee2e6;
  --color-border-focus: #0d6efd;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);

  --radius-sm: 4px;
  --radius: 8px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --monitor-left-width: 36%;
}

html[data-theme="dark"] {
  --color-bg: #1a1a2e;
  --color-bg-card: #16213e;
  --color-bg-hover: #1e2a4a;
  --color-bg-input: #16213e;
  --color-bg-overlay: rgba(0, 0, 0, 0.7);

  --color-text: #e0e0e0;
  --color-text-secondary: #a0a8b8;
  --color-text-muted: #6c7a8d;
  --color-text-inverse: #1a1a2e;

  --color-primary: #4fc3f7;
  --color-primary-hover: #81d4fa;
  --color-success: #66bb6a;
  --color-danger: #ef5350;
  --color-warning: #ffa726;
  --color-info: #4fc3f7;

  --color-border: #2a3a5e;
  --color-border-focus: #4fc3f7;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
}

.brand { display: flex; flex-direction: column; gap: 2px; }
.brand__name { font-weight: 700; letter-spacing: 0.2px; }
.brand__ver { font-size: 11px; font-weight: 400; color: var(--color-text-muted, #888); margin-left: 4px; }
.brand__sub { font-size: 12px; color: var(--color-text-muted); }

.nav { display: flex; align-items: center; gap: 10px; }
.nav__item {
  padding: 6px 10px;
  border-radius: var(--radius);
  color: var(--color-text-secondary);
}
.nav__item:hover { background: var(--color-bg-hover); text-decoration: none; }
.nav__item--active {
  background: var(--color-bg-hover);
  color: var(--color-text);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--color-primary);
}

.topbar__right { display: flex; align-items: center; gap: 10px; }
body.ui-topbar-collapsed .topbar { display: none; }
.topbar-expand {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1200;
}
body.ui-topbar-collapsed .topbar-expand { display: inline-flex !important; }

.banner {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-warning);
  color: #111;
}
.banner--success { background: var(--color-success); color: var(--color-text-inverse); }
.banner--danger { background: var(--color-danger); color: var(--color-text-inverse); }
.hidden { display: none; }

.main {
  padding: 16px;
  width: 100%;
  max-width: none;
  margin: 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* 各路由容器填满主区域，消除页面底部大面积空白（extra-1）；并为可视化页传递高度（缺陷1） */
#vizContainer, #scenariosContainer, #compareContainer, #wizardContainer, #usersContainer, #keysContainer {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 16px;
}

@media (max-width: 1024px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card__head {
  padding: 12px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--color-border);
}

.card__title { font-weight: 700; }
.card__body { padding: 12px; }

.btn {
  appearance: none;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
  font-size: 14px;
}
.btn:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { background: var(--color-bg-hover); }

.input, .select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-input);
  color: var(--color-text);
}
.input:focus, .select:focus { outline: none; border-color: var(--color-border-focus); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-row--single { grid-template-columns: 1fr; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  vertical-align: middle;
}
.table th { color: var(--color-text-muted); font-weight: 600; }
.table tr:hover td { background: rgba(0,0,0,0.03); }
html[data-theme="dark"] .table tr:hover td { background: rgba(255,255,255,0.04); }

.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 12px;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}
.pill--running { border-color: var(--color-success); color: var(--color-success); }
.pill--paused { border-color: var(--color-warning); color: var(--color-warning); }
.pill--completed { border-color: var(--color-info); color: var(--color-info); }
.pill--stopped { border-color: var(--color-text-muted); color: var(--color-text-muted); }
.pill--error { border-color: var(--color-danger); color: var(--color-danger); }
.pill--empty,
.pill--filtered-empty { border-color: var(--color-border); color: var(--color-text-muted); }

.monitor-list { display: flex; flex-direction: column; gap: 12px; }
.monitor-scenario {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  margin-bottom: 12px;
}
.monitor-scenario__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px;
  border-bottom: 1px solid var(--color-border);
}
.monitor-scenario__title { font-weight: 600; }
.monitor-scenario__body { padding: 10px; }
.monitor-scenario--collapsed .monitor-scenario__body { display: none; }
.monitor-scenario__empty { color: var(--color-text-muted); font-size: 13px; }
.monitor-scenario__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.monitor-scenario__subhead { margin-top: 10px; margin-bottom: 6px; font-weight: 600; font-size: 13px; }
.monitor-scenario__list { display: grid; gap: 6px; }
.monitor-scenario__row {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  background: var(--color-bg-card);
}
.monitor-scenario__type { font-weight: 600; margin-bottom: 3px; }
.monitor-scenario__meta { color: var(--color-text-muted); font-size: 12px; }
.monitor-panel { display: grid; grid-template-columns: 1fr 320px; gap: 12px; }
@media (max-width: 1024px) { .monitor-panel { grid-template-columns: 1fr; } }
@media (max-width: 1024px) {
  .monitor-scenario__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.monitor-workspace {
  display: grid;
  grid-template-columns: minmax(300px, var(--monitor-left-width)) 8px minmax(420px, 1fr);
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
  align-items: stretch;
  flex: 1;
  min-height: 0;
}
.monitor-pane { min-width: 0; }
.monitor-pane .card { height: 100%; }
.monitor-splitter {
  position: relative;
  background: var(--color-bg-card);
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  cursor: col-resize;
}
.monitor-splitter::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 44px;
  background: var(--color-border-focus);
  transform: translate(-50%, -50%);
  border-radius: var(--radius-full);
  opacity: 0.65;
}
body.ui-focus-monitor .monitor-workspace {
  /* 左栏与分隔条已 display:none，只剩右栏；用单列网格避免右栏被自动放入宽度为 0 的首列 */
  grid-template-columns: minmax(0, 1fr);
}
body.ui-focus-monitor .monitor-pane--left {
  display: none;
}
body.ui-focus-monitor .monitor-splitter {
  display: none;
}
body.ui-focus-monitor #focusMonitorBtn {
  border-color: var(--color-primary);
}
@media (max-width: 1024px) {
  .monitor-workspace {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .monitor-splitter {
    display: none;
  }
}

.monitor-events { border-top: 1px solid var(--color-border); }
.monitor-events__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.monitor-events__title { font-weight: 600; }
.monitor-events__filter { width: 160px; max-width: 50%; }
.monitor-events__list { max-height: 280px; overflow-y: auto; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-bg); }
.monitor-events__empty { padding: 12px; color: var(--color-text-muted); font-size: 13px; }
.monitor-events__item { display: grid; grid-template-columns: 54px 70px 1fr; gap: 8px; align-items: center; padding: 8px 10px; border-bottom: 1px solid var(--color-border); font-size: 13px; }
.monitor-events__item:last-child { border-bottom: none; }
.monitor-events__badge { display: inline-flex; justify-content: center; padding: 2px 8px; border-radius: var(--radius-full); font-size: 11px; font-weight: 600; }
.monitor-events__meta { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); }
.monitor-events__text { color: var(--color-text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.monitor-events__item--speech .monitor-events__badge { background: color-mix(in srgb, var(--color-primary) 20%, transparent); color: var(--color-primary); }
.monitor-events__item--repost .monitor-events__badge { background: color-mix(in srgb, var(--color-success) 20%, transparent); color: var(--color-success); }
.monitor-events__item--comment .monitor-events__badge { background: color-mix(in srgb, var(--color-warning) 20%, transparent); color: var(--color-warning); }
.monitor-events__item--like .monitor-events__badge { background: color-mix(in srgb, var(--color-danger) 20%, transparent); color: var(--color-danger); }
.monitor-events__pagination { display: flex; align-items: center; justify-content: center; padding: 8px 0; gap: 4px; }
.monitor-events__list .table { margin: 0; font-size: 13px; }
.monitor-events__list .table th, .monitor-events__list .table td { padding: 6px 10px; text-align: left; }
.monitor-events__content {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: default;
  color: var(--color-text-secondary);
}
.monitor-events__content--expanded {
  white-space: normal;
  word-break: break-word;
}
.monitor-events__quote {
  border-left: 3px solid var(--color-border);
  padding-left: 8px;
  margin: 2px 0;
  color: var(--color-text-muted);
  font-style: italic;
}
.monitor-events__badge-inline {
  display: inline-flex;
  justify-content: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.monitor-events__badge-inline--speech { background: color-mix(in srgb, var(--color-primary) 20%, transparent); color: var(--color-primary); }
.monitor-events__badge-inline--repost { background: color-mix(in srgb, var(--color-success) 20%, transparent); color: var(--color-success); }
.monitor-events__badge-inline--comment { background: color-mix(in srgb, var(--color-warning) 20%, transparent); color: var(--color-warning); }
.monitor-events__badge-inline--like { background: color-mix(in srgb, var(--color-danger) 20%, transparent); color: var(--color-danger); }
.monitor-events__badge-inline--seed { background: color-mix(in srgb, var(--color-info) 20%, transparent); color: var(--color-info); }
.monitor-events__badge-inline--other { background: color-mix(in srgb, var(--color-text-muted) 15%, transparent); color: var(--color-text-muted); }

.list-state {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--color-bg);
}
.list-state__title {
  margin-top: 10px;
  font-weight: 600;
  color: var(--color-text);
}
.list-state__detail {
  margin-top: 6px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.list-state--error {
  border-color: var(--color-danger);
  background: color-mix(in srgb, var(--color-danger) 8%, var(--color-bg-card));
}
.list-state--loading {
  border-style: solid;
}
.list-state__skeleton {
  height: 12px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-bg-hover) 25%, var(--color-border) 50%, var(--color-bg-hover) 75%);
  background-size: 200% 100%;
  animation: list-skeleton-pulse 1.5s ease-in-out infinite;
}
.list-state__skeleton + .list-state__skeleton {
  margin-top: 8px;
}
.list-state__skeleton--short {
  width: 55%;
}

@keyframes list-skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.chart {
  height: 260px;
  width: 100%;
}

.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.kv__item { padding: 10px; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-bg); }
.kv__k { font-size: 12px; color: var(--color-text-muted); }
.kv__v { font-family: var(--font-mono); margin-top: 4px; }

.pager { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 10px; }
.pager__nums { font-size: 13px; color: var(--color-text-muted); }

/* Intervention Panel */
.iv-templates { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 12px; }
@media (max-width: 768px) { .iv-templates { grid-template-columns: repeat(2, 1fr); } }

.iv-tmpl {
  position: relative;
  padding: 10px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.iv-tmpl:hover { border-color: var(--color-primary); background: var(--color-bg-card); }
.iv-tmpl--selected {
  border-color: var(--color-primary);
  background: var(--color-bg-card);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 25%, transparent);
}
.iv-tmpl__label { font-weight: 600; margin-bottom: 4px; }
.iv-tmpl__desc { font-size: 12px; color: var(--color-text-muted); }
.iv-tmpl__badge {
  position: absolute; top: 6px; right: 6px;
  font-size: 10px; padding: 1px 6px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  font-weight: 600;
}
.iv-tmpl__badge--low { background: color-mix(in srgb, var(--color-success) 15%, transparent); color: var(--color-success); }
.iv-tmpl__badge--medium { background: color-mix(in srgb, var(--color-warning) 15%, transparent); color: var(--color-warning); }
.iv-tmpl__badge--high { background: color-mix(in srgb, var(--color-danger) 15%, transparent); color: var(--color-danger); }
.iv-tmpl__check {
  position: absolute; top: 6px; left: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}

.iv-form { margin-top: 12px; padding: 12px; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-bg); }
.iv-form__header { font-weight: 600; margin-bottom: 10px; color: var(--color-primary); }
.iv-field { margin-bottom: 10px; }
.iv-field__label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.iv-field__req { color: var(--color-danger); }
.iv-field__help { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }

.iv-form__timing { display: flex; gap: 16px; margin: 12px 0 8px; }
.iv-radio { display: flex; align-items: center; gap: 4px; font-size: 14px; cursor: pointer; }
.iv-form__tick-input { margin-bottom: 10px; padding-left: 20px; }

.iv-form__actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; }

.btn--danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
}
.btn--danger:hover { background: color-mix(in srgb, var(--color-danger) 85%, #000); }

/* Confirm Dialog */
.iv-overlay {
  position: fixed; inset: 0;
  background: var(--color-bg-overlay);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.iv-confirm {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 420px; width: 90%;
  box-shadow: var(--shadow);
}
.iv-confirm--danger .iv-confirm__title { color: var(--color-danger); }
.iv-confirm__title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.iv-confirm__desc { font-size: 13px; color: var(--color-text-secondary); margin-bottom: 16px; word-break: break-all; }
.iv-confirm__actions { display: flex; gap: 8px; justify-content: flex-end; }

/* Coming Soon */
.iv-coming-soon {
  margin-top: 12px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  color: var(--color-text-muted);
  background: color-mix(in srgb, var(--color-bg) 80%, var(--color-bg-card));
}
.iv-coming-soon__inner { display: flex; align-items: center; justify-content: center; gap: 8px; }
.iv-coming-soon__icon { font-size: 20px; }

/* History */
.iv-history { margin-top: 16px; }
.iv-history__title { font-weight: 700; margin-bottom: 8px; }
.iv-history-item {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 6px;
  background: var(--color-bg);
  transition: background 0.3s;
}
.iv-history-item--new { background: color-mix(in srgb, var(--color-warning) 20%, var(--color-bg)); }
.iv-history-item__head { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.iv-history-item__label { font-weight: 500; }
.iv-history-item__params { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

.iv-status {
  font-size: 11px; padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: 500;
}
.iv-status--pending { background: color-mix(in srgb, var(--color-text-muted) 15%, transparent); color: var(--color-text-muted); }
.iv-status--injected { background: color-mix(in srgb, var(--color-success) 15%, transparent); color: var(--color-success); }
.iv-status--failed { background: color-mix(in srgb, var(--color-danger) 15%, transparent); color: var(--color-danger); }

.iv-history-empty { color: var(--color-text-muted); font-size: 13px; padding: 12px; text-align: center; }
.iv-history-error { display: flex; align-items: center; justify-content: space-between; color: var(--color-danger); font-size: 13px; padding: 8px; }
.iv-history-skeleton { padding: 4px 0; }

/* Toast */
.iv-toast {
  position: fixed; bottom: 20px; right: 20px;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--color-text-inverse);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2000;
}
.iv-toast--show { opacity: 1; transform: translateY(0); }
.iv-toast--success { background: var(--color-success); }
.iv-toast--error { background: var(--color-danger); }

/* Spinner */
.iv-spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--color-text-inverse);
  border-top-color: transparent;
  border-radius: 50%;
  animation: iv-spin 0.6s linear infinite;
  vertical-align: middle;
}
@keyframes iv-spin { to { transform: rotate(360deg); } }

/* Hidden utility */
.hidden { display: none !important; }

/* ===== Compare Workspace (B44) ===== */
.cmp-workspace { max-width: none; margin: 0; }
.cmp-section { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.cmp-section__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.cmp-section__title { font-size: 16px; font-weight: 700; }

/* Branch Picker */
.cmp-picker__hint { font-size: 13px; color: var(--color-text-muted); margin-bottom: 10px; }
.cmp-picker__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-bottom: 12px; }
.cmp-picker__actions { display: flex; align-items: center; gap: 12px; }
.cmp-picker__count { font-size: 13px; color: var(--color-text-muted); }

.cmp-branch-card {
  position: relative; padding: 12px; border: 2px solid var(--color-border); border-radius: var(--radius);
  cursor: pointer; transition: border-color 0.2s, background 0.2s; user-select: none;
}
.cmp-branch-card:hover { background: var(--color-bg-hover); }
.cmp-branch-card--selected { border-color: var(--color-primary); background: color-mix(in srgb, var(--color-primary) 8%, var(--color-bg-card)); }
.cmp-branch-card--selectable { border-color: var(--color-border); }
.cmp-branch-card__check {
  position: absolute; top: 8px; right: 8px; width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--color-border); display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--color-text-inverse); transition: all 0.2s;
}
.cmp-branch-card--selected .cmp-branch-card__check { background: var(--color-primary); border-color: var(--color-primary); }
.cmp-branch-card__name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.cmp-branch-card__meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--color-text-muted); margin-bottom: 2px; }
.cmp-branch-card__id { font-size: 11px; font-family: var(--font-mono); color: var(--color-text-muted); }

/* Winner Badge */
.cmp-winner__badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px 12px;
  border-radius: var(--radius-full); font-weight: 600; font-size: 14px;
  background: color-mix(in srgb, var(--color-warning) 20%, transparent); color: var(--color-warning);
}
.cmp-winner__star { font-size: 16px; }

/* Chart */
.cmp-chart-wrap { margin-bottom: 16px; }
.cmp-chart { width: 100%; height: 350px; }

/* Diff Table */
.cmp-table-wrap { overflow-x: auto; }
.cmp-table th, .cmp-table td { white-space: nowrap; padding: 8px 12px; font-size: 13px; }
.cmp-cell--best { font-weight: 700; color: var(--color-success); }
.cmp-row--winner { background: color-mix(in srgb, var(--color-warning) 8%, transparent); }
.cmp-diff--up { color: var(--color-success); }
.cmp-diff--down { color: var(--color-danger); }

/* History Items */
.cmp-history-item {
  padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius);
  margin-bottom: 8px; background: var(--color-bg);
}
.cmp-history-item__head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.cmp-history-item__name { font-weight: 600; font-size: 14px; }
.cmp-history-item__winner { font-size: 13px; color: var(--color-warning); font-weight: 600; }
.cmp-history-item__meta { display: flex; gap: 12px; font-size: 12px; color: var(--color-text-muted); margin-bottom: 6px; }
.cmp-history-item__actions { display: flex; gap: 6px; }

.cmp-empty { padding: 20px; text-align: center; color: var(--color-text-muted); font-size: 14px; }

.cmp-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border, #dee2e6);
  border-top-color: var(--color-primary, #0d6efd);
  border-radius: 50%;
  animation: cmp-spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes cmp-spin { to { transform: rotate(360deg); } }

/* ===== Wizard ===== */
.wz { max-width: none; margin: 0; }
.wz__nav {
  display: flex; gap: 4px; margin-bottom: 20px; padding: 8px;
  background: var(--color-bg-card); border-radius: var(--radius); overflow-x: auto;
}
.wz-step {
  display: flex; align-items: center; gap: 6px; padding: 6px 12px;
  border-radius: var(--radius-sm); cursor: pointer; font-size: 13px;
  color: var(--color-text-muted); transition: all 0.2s; white-space: nowrap;
}
.wz-step:hover { background: var(--color-bg-hover); }
.wz-step--active { background: var(--color-primary); color: var(--color-text-inverse); font-weight: 600; }
.wz-step--done { color: var(--color-success); }
.wz-step__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%; font-size: 12px;
  background: var(--color-border); color: var(--color-text);
}
.wz-step--active .wz-step__num { background: rgba(255,255,255,0.25); color: var(--color-text-inverse); }
.wz-step--done .wz-step__num { background: var(--color-success); color: var(--color-text-inverse); }
.wz-step__title { font-size: 13px; }

.wz__body { min-height: 300px; }
.wz__footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--color-border); }

.wz-section { margin-bottom: 20px; }
.wz-section__title { font-weight: 600; font-size: 15px; margin-bottom: 12px; color: var(--color-text); }

.wz-field { margin-bottom: 14px; }
.wz-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 4px; color: var(--color-text); }
.wz-required { color: var(--color-danger); }
.wz-help { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; white-space: pre-line; }
.wz-input { width: 100%; max-width: 400px; }
.wz .input, .wz .select, .wz .wz-textarea { box-sizing: border-box; }
.wz .select { line-height: 20px; }
.wz .input, .wz .select { padding: 6px 8px; min-height: 32px; font-size: 13px; }

.wz-checks { display: flex; gap: 12px; flex-wrap: wrap; }
.wz-check { display: flex; align-items: center; gap: 4px; font-size: 13px; cursor: pointer; }

.wz-mini-field { display: flex; flex-direction: column; gap: 4px; flex: 1 1 200px; min-width: 160px; }
.wz-mini-field .wz-input { max-width: none; }
.wz-mini-field--count { flex: 0 0 110px; min-width: 110px; }
.wz-mini-field--tick { flex: 0 0 130px; min-width: 130px; }
.wz-mini-field--actions { flex: 0 0 auto; min-width: 0; }
.wz-mini-label { font-size: 11px; color: var(--color-text-muted); }

.wz-agent-card {
  display: flex; gap: 8px; align-items: center; margin-bottom: 8px;
  padding: 8px; background: var(--color-bg-card); border-radius: var(--radius-sm);
}
.wz-agent-card .input { flex: 1; }

.wz-agent-card { flex-direction: column; align-items: stretch; gap: 6px; }
.wz-agent-row { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.wz-agent-row .wz-input { max-width: none; flex: 1 1 200px; min-width: 160px; }
.wz-agent-row .wz-input--count { flex: 0 0 110px; min-width: 110px; }
.wz-agent-row .input, .wz-agent-row .select { min-height: 32px; }

.wz-event-card {
  display: flex; gap: 8px; margin-bottom: 8px;
  padding: 8px; background: var(--color-bg-card); border-radius: var(--radius-sm);
  flex-direction: column; align-items: stretch;
}
.wz-event-row { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.wz-event-row .wz-input { max-width: none; flex: 1 1 200px; min-width: 160px; }
.wz-textarea { max-width: none; min-height: 72px; resize: vertical; }
.wz-event-row .input, .wz-event-row .select { min-height: 32px; }

@media (min-width: 960px) {
  .wz-agent-row,
  .wz-event-row {
    flex-wrap: nowrap;
    align-items: center;
  }

  .wz-mini-field {
    flex-direction: row;
    align-items: center;
    flex: 1 1 0;
    min-width: 0;
    gap: 8px;
  }

  .wz-mini-label {
    width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .wz-mini-field--count { flex: 0 0 220px; min-width: 220px; }
  .wz-mini-field--tick { flex: 0 0 240px; min-width: 240px; }
  .wz-mini-field--actions { flex: 0 0 auto; }
}

.wz-templates { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.wz-template-btn { font-size: 13px; }

.wz-yaml {
  background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 16px; font-family: var(--font-mono); font-size: 13px; white-space: pre-wrap;
  word-break: break-all; max-height: 400px; overflow-y: auto; color: var(--color-text);
}

.wz-loading, .wz-error { padding: 20px; text-align: center; color: var(--color-text-muted); font-size: 14px; }
.wz-error { color: var(--color-danger); }

.wz-toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
  padding: 10px 20px; border-radius: var(--radius); font-size: 14px;
  opacity: 0; transition: all 0.3s; pointer-events: none; z-index: 1000;
  background: var(--color-bg-card); border: 1px solid var(--color-border); color: var(--color-text);
  box-shadow: var(--shadow);
}
.wz-toast--visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.wz-toast--success { border-color: var(--color-success); }
.wz-toast--danger { border-color: var(--color-danger); }

/* ===== Visualization ===== */
.viz { max-width: none; margin: 0; flex: 1; min-height: 0; display: flex; flex-direction: column; }
.viz__header { margin-bottom: 16px; }
.viz__title { font-size: 18px; font-weight: 700; color: var(--color-text); }
.viz__sub { font-size: 12px; color: var(--color-text-muted); font-family: var(--font-mono); }
.viz__controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.viz__agent-input { width: 320px; max-width: 100%; }
.viz__controls--chain .select { min-width: 200px; }
.viz__tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.viz__content { position: relative; flex: 1; min-height: 0; display: flex; flex-direction: column; }
.viz-panel { display: none; }
.viz-panel--active { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.viz-note {
  margin-bottom: 8px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
}
.viz-chart { width: 100%; height: 400px; background: var(--color-bg-card); border-radius: var(--radius); }
/* 传播链路图弹性占满纵向剩余空间，避免被钉死在 400px 小区域 */
#chainChart.viz-chart { height: auto; flex: 1; min-height: 400px; }
.viz-empty { padding: 40px; text-align: center; color: var(--color-text-muted); font-size: 14px; }
.viz-loading { padding: 40px; text-align: center; color: var(--color-text-muted); font-size: 14px; }
body.ui-focus-viz .viz__header { margin-bottom: 10px; }
body.ui-focus-viz .viz__controls--secondary { display: none; }
body.ui-focus-viz .viz__tabs { margin-bottom: 8px; }
body.ui-focus-viz .viz-chart { height: 72vh; }

/* Agent Drawer */
.viz__drawer { position: fixed; top: 0; right: 0; width: 380px; height: 100vh;
  background: var(--color-bg); border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow); z-index: 100; overflow-y: auto;
}
.viz-drawer { padding: 16px; }
.viz-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.viz-drawer__title { font-weight: 700; font-size: 16px; color: var(--color-text); }
.viz-drawer__info { margin-bottom: 16px; font-size: 13px; color: var(--color-text-secondary); }
.viz-drawer__info strong { color: var(--color-text); }

.viz-profile { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.viz-profile__avatar { width: 56px; height: 56px; border-radius: 9999px; border: 1px solid var(--color-border); }
.viz-profile__name { font-weight: 700; color: var(--color-text); }
.viz-profile__tags { display: flex; gap: 6px; margin-top: 4px; flex-wrap: wrap; }
.viz-tag { font-size: 12px; padding: 2px 8px; border: 1px solid var(--color-border); border-radius: var(--radius-full); color: var(--color-text-muted); }
.viz-tag--stance { color: var(--color-primary); border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border)); }
.viz-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 12px; }
.viz-stat { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 8px; }
.viz-stat__label { font-size: 12px; color: var(--color-text-muted); }
.viz-stat__value { font-size: 14px; font-weight: 700; color: var(--color-text); margin-top: 2px; }

/* Timeline Tabs */
.viz-tl-tabs { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.viz-tl-tab--active { background: var(--color-primary); color: var(--color-text-inverse); }

/* Timeline Items */
.viz-timeline { max-height: 60vh; overflow-y: auto; }
.viz-tl-item { display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  border-bottom: 1px solid var(--color-border); font-size: 13px;
}
.viz-tl-item__badge {
  display: inline-block; padding: 2px 8px; border-radius: var(--radius-full);
  font-size: 11px; font-weight: 600; min-width: 50px; text-align: center;
}
.viz-tl-item--post .viz-tl-item__badge { background: color-mix(in srgb, var(--color-primary) 20%, transparent); color: var(--color-primary); }
.viz-tl-item--repost .viz-tl-item__badge { background: color-mix(in srgb, var(--color-success) 20%, transparent); color: var(--color-success); }
.viz-tl-item--comment .viz-tl-item__badge { background: color-mix(in srgb, var(--color-warning) 20%, transparent); color: var(--color-warning); }
.viz-tl-item--like .viz-tl-item__badge { background: color-mix(in srgb, var(--color-danger) 20%, transparent); color: var(--color-danger); }
.viz-tl-item__tick { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); min-width: 55px; }
.viz-tl-item__content { flex: 1; color: var(--color-text-secondary); word-break: break-word; overflow-wrap: break-word; max-height: 120px; overflow-y: auto; }

/* ===== Login Page ===== */
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100vh - 60px); padding: 20px;
}
.login-card {
  width: 100%; max-width: 380px; padding: 32px 28px;
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.login__brand { text-align: center; margin-bottom: 28px; }
.login__brand .brand__name { font-size: 24px; font-weight: 700; }
.login__brand .brand__sub { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }
.login__form { display: flex; flex-direction: column; gap: 16px; }
.login__field { display: flex; flex-direction: column; gap: 6px; }
.login__label { font-size: 13px; font-weight: 500; color: var(--color-text); }
.login__error { font-size: 13px; color: var(--color-danger); padding: 8px; background: color-mix(in srgb, var(--color-danger) 10%, transparent); border-radius: var(--radius-sm); }
.login__btn { width: 100%; margin-top: 4px; }
.login__hint { font-size: 12px; color: var(--color-text-muted); text-align: center; margin-top: 16px; }

/* ===== User Menu ===== */
.user-menu { position: relative; }
.user-menu__trigger { font-size: 13px; min-width: 80px; text-align: center; }
.user-menu__dropdown {
  position: absolute; top: 100%; right: 0; margin-top: 4px;
  min-width: 140px; background: var(--color-bg-card);
  border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow); z-index: 500; overflow: hidden;
}
.user-menu__item {
  display: block; width: 100%; padding: 8px 14px; text-align: left;
  background: none; border: none; color: var(--color-text); font-size: 13px;
  cursor: pointer;
}
.user-menu__item:hover { background: var(--color-bg-hover); }
.user-menu__item--danger { color: var(--color-danger); }

.btn--danger-text { color: var(--color-danger); }
.btn--danger-text:hover { color: var(--color-danger); opacity: 0.8; }

.key-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-bg-card);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: inline-block;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.iv-confirm--wide { max-width: 920px; width: 95%; }
.iv-table-wrap { overflow-x: auto; max-width: 100%; }
.iv-table-wrap .table { min-width: 720px; }

.nav__item--admin { display: none; }
.nav__item--admin:not(.hidden) { display: inline-block; }

/* ===== Password Strength Indicator ===== */
.pwd-strength {
  margin-top: 12px;
  padding: 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.pwd-strength__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
}

.pwd-strength__label {
  color: var(--color-text-secondary);
}

.pwd-strength__value--weak {
  color: var(--color-danger);
}

.pwd-strength__value--medium {
  color: var(--color-warning);
}

.pwd-strength__value--strong {
  color: var(--color-success);
}

.pwd-strength__rules {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pwd-strength__rule {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 4px 0;
}

.pwd-strength__icon {
  width: 16px;
  display: inline-block;
  text-align: center;
  font-weight: 700;
}

.pwd-strength__rule--fail {
  color: var(--color-danger);
}

.pwd-strength__rule--pass {
  color: var(--color-success);
}

@media print {
  .topbar, .banner, .nav, .btn, .pager, .user-menu { display: none !important; }
  .main { padding: 0 !important; }
  .card { border: none !important; box-shadow: none !important; }
  body { background: #fff !important; color: #000 !important; }
}