:root {
  --bg: #f7f7f5;
  --sidebar: #fbfbfa;
  --panel: #ffffff;
  --ink: #202124;
  --muted: #777b82;
  --soft: #ececea;
  --line: #e4e4e1;
  --accent: #4d6bfe;
  --accent-soft: #eef2ff;
  --danger: #b42318;
  --success: #177245;
  --shadow: 0 14px 38px rgba(32, 33, 36, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
button, select, textarea, input { font: inherit; }
button { border: 0; cursor: pointer; }
button:disabled, select:disabled, textarea:disabled, input:disabled { cursor: not-allowed; opacity: 0.55; }

.app-shell { display: grid; grid-template-columns: 286px minmax(0, 1fr); height: 100vh; }
.sidebar { display: flex; flex-direction: column; gap: 14px; border-right: 1px solid var(--line); background: var(--sidebar); padding: 18px 14px; min-width: 0; }
.brand { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 4px; }
.brand-title { font-size: 18px; font-weight: 750; }
.brand-subtitle { margin-top: 2px; color: var(--muted); font-size: 12px; }
.new-chat { width: 100%; min-height: 42px; border-radius: 8px; background: var(--ink); color: #fff; font-weight: 650; }
.session-title { margin: 10px 4px 0; color: var(--muted); font-size: 13px; }
.session-list { display: grid; gap: 8px; overflow-y: auto; padding-right: 2px; }
.session-item { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px; width: 100%; min-height: 50px; border-radius: 8px; padding: 8px; text-align: left; background: transparent; color: var(--ink); }
.session-item:hover, .session-item.active { background: var(--soft); }
.session-item.menu-open { background: var(--soft); }
.session-select { display: flex; align-items: center; gap: 8px; min-width: 0; min-height: 34px; border-radius: 8px; padding: 0 8px; background: transparent; color: var(--ink); text-align: left; }
.session-select:hover { background: rgba(255, 255, 255, 0.52); }
.session-name { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-weight: 650; }
.session-pin-mark { flex: 0 0 auto; border-radius: 999px; padding: 2px 6px; color: var(--accent); background: var(--accent-soft); font-size: 11px; font-weight: 650; }
.session-menu-btn { align-self: center; width: 30px; height: 30px; border-radius: 999px; background: transparent; color: var(--muted); font-weight: 700; line-height: 1; }
.session-menu-btn:hover, .session-menu-btn[aria-expanded="true"] { background: var(--accent-soft); color: var(--accent); }
.session-menu { grid-column: 1 / -1; display: grid; gap: 8px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: 0 10px 24px rgba(32, 33, 36, 0.08); }
.session-rename-input { width: 100%; min-height: 34px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); padding: 0 10px; }
.session-menu-actions { display: grid; gap: 6px; }
.session-menu-actions .auth-btn { width: 100%; min-height: 34px; padding: 0 10px; font-size: 13px; text-align: left; }
.session-rename-actions { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.session-rename-actions .auth-btn { min-height: 30px; padding: 0 10px; font-size: 13px; }
.session-delete-btn { color: var(--danger); }
.sidebar-compliance {
  display: grid;
  gap: 5px;
  margin-top: auto;
  padding: 10px 4px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}
.sidebar-compliance a {
  width: fit-content;
  color: var(--muted);
  text-decoration: none;
}
.sidebar-compliance a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.main { display: grid; grid-template-rows: auto minmax(0, 1fr); min-width: 0; height: 100vh; background: var(--bg); }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 64px; padding: 14px 26px; }
.topbar-title { display: grid; gap: 4px; }
.topbar-title strong { font-size: 16px; }
.topbar-title span { color: var(--muted); font-size: 13px; }
.topbar-controls { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.auth-controls { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.auth-login-fields { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.auth-input { width: 112px; height: 34px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); padding: 0 10px; }
.auth-btn { min-height: 34px; border-radius: 8px; padding: 0 11px; background: var(--soft); color: var(--ink); }
.auth-name { min-height: 34px; border: 0; background: transparent; color: var(--muted); font-size: 13px; padding: 0; }
.auth-name.signed-in {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  max-width: 220px;
  padding: 0 11px;
  border: 1px solid rgba(77, 107, 254, 0.2);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.auth-name.signed-in::after {
  content: "▾";
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 11px;
  line-height: 1;
}
.auth-name.signed-in:hover { border-color: rgba(77, 107, 254, 0.34); }
.auth-feedback { min-width: 96px; color: var(--muted); font-size: 13px; }
.model-select { min-width: 220px; height: 38px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); padding: 0 12px; }
.toggle-row { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; user-select: none; }
.toggle-row input { width: 18px; height: 18px; accent-color: var(--accent); }

.workspace { display: grid; grid-template-rows: auto minmax(0, 1fr); min-height: 0; }
.workspace-tabs { display: flex; gap: 8px; padding: 0 26px 12px; }
.workspace-tab { min-height: 36px; border-radius: 999px; padding: 0 15px; background: var(--soft); color: #3f4248; }
.workspace-tab.active { color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px rgba(77, 107, 254, 0.18); }
.workspace-view { display: none; min-height: 0; }
.workspace-view.active { display: grid; }
.chat-view { position: relative; grid-template-rows: minmax(0, 1fr) auto; }

.profile-dialog {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(32, 33, 36, 0.28);
}
.profile-card {
  width: min(480px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 20px;
}
.profile-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.profile-eyebrow { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0; }
.profile-header h2 { margin: 2px 0 0; font-size: 20px; }
.profile-close-btn { width: 32px; height: 32px; border-radius: 999px; background: var(--soft); color: var(--ink); font-size: 20px; line-height: 1; }
.profile-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 10px; margin-bottom: 18px; }
.profile-summary div { display: grid; gap: 5px; min-height: 70px; border: 1px solid var(--line); border-radius: 8px; padding: 10px; background: #fbfbfb; }
.profile-summary span { color: var(--muted); font-size: 12px; }
.profile-summary strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 16px; }
.profile-form { display: grid; gap: 12px; }
.profile-field { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
.profile-field input { width: 100%; min-height: 38px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); padding: 0 11px; }
.profile-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 2px; }
.profile-save-btn { width: auto; min-width: 92px; padding: 0 16px; }
.profile-logout-btn { min-width: 92px; color: var(--danger); }
.profile-status { min-height: 20px; margin-top: 10px; color: var(--muted); font-size: 13px; }
.profile-status.success { color: var(--success); }
.profile-status.error { color: var(--danger); }

.welcome, .messages { min-height: 0; overflow-y: auto; }
.welcome { display: grid; place-items: center; padding: 24px; }
.welcome-inner { width: min(920px, 100%); display: grid; justify-items: center; transform: translateY(-13vh); }
.welcome h1 { margin: 0; font-size: 34px; font-weight: 750; text-align: center; }
.messages { display: none; padding: 22px 24px; }
.message-stack { width: min(920px, 100%); margin: 0 auto; display: grid; gap: 18px; }
.message { display: grid; gap: 8px; }
.message.user { justify-items: end; }
.message.assistant { justify-items: start; }
.bubble { max-width: min(760px, 88%); border-radius: 12px; padding: 13px 15px; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.user .bubble { background: #e8ebf7; }
.assistant .bubble { background: var(--panel); box-shadow: 0 1px 0 rgba(32, 33, 36, 0.05); }
.message-meta { color: var(--muted); font-size: 12px; }
.message-images { width: min(760px, 88%); display: grid; gap: 10px; }
.message-charts { width: min(1120px, 98%); display: grid; gap: 18px; }
.message-chart-group { display: grid; gap: 14px; }
.message-chart-heading { color: #4b5563; font-size: 13px; font-weight: 700; }
.message-chart-group .chart-stack,
.message-chart-group .ranking-panel,
.message-chart-group .broker-chart-grid,
.message-chart-group .chart-panel,
.message-chart-group .table-panel {
  width: 100%;
}
.message-chart-group .chart-stack {
  display: grid;
  gap: 22px;
}
.message-chart-group .chart-panel,
.message-chart-group .table-panel {
  gap: 16px;
}
.message-chart-group .series-panel {
  padding: 30px 32px;
  border-radius: 28px;
  background: var(--oi-dark);
  color: #fff;
}
.message-chart-group .series-panel .panel-title {
  color: #fff;
}
.message-chart-group .series-panel .panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.message-chart-group .series-panel .panel-title .panel-title-range {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #111827;
  font-size: 12px;
  font-weight: 700;
}
.message-chart-group .panel-title-save-row {
  justify-content: space-between;
}
.message-chart-group .panel-title-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.message-chart-group .panel-save-btn {
  border: 1px solid rgba(196, 199, 205, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: #111827;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding: 7px 12px;
  cursor: pointer;
}
.message-chart-group .panel-save-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.message-chart-group-oi-broker .series-panel {
  background: #ffffff;
  color: var(--oi-ink);
  border: 1px solid rgba(210, 210, 215, 0.82);
}

.message-chart-group-oi-broker .series-panel .panel-title {
  color: var(--oi-ink);
}

.message-chart-group-oi-broker .series-panel .panel-title .panel-title-range {
  color: var(--oi-ink);
  background: rgba(17, 24, 39, 0.08);
}
.message-chart-group-oi-broker .panel-save-btn {
  background: #ffffff;
  color: var(--oi-ink);
}

.message-chart-group-oi-broker .broker-chart-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.message-chart-group-oi-broker .broker-chart {
  height: 390px;
  margin: 12px 14px 18px;
}
@media (max-width: 820px) {
  .message-chart-group-oi-broker .broker-chart-grid {
    grid-template-columns: 1fr;
  }
}
.message-chart-group .ranking-panel {
  padding: 0;
  border: 0;
  background: transparent;
}
.message-chart-group .broker-chart-grid {
  display: grid;
  gap: 16px;
}
.message-chart-group .broker-chart-grid > div {
  display: grid;
  gap: 0;
  padding: 0;
  border: 1px solid rgba(196, 199, 205, 0.92);
  border-radius: 22px;
  background: #f8f9fb;
  overflow: hidden;
}
.message-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.message-chart-card {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(196, 199, 205, 0.92);
  border-radius: 22px;
  background: #f8f9fb;
  box-shadow: 0 12px 26px rgba(32, 33, 36, 0.05);
}
.message-chart-card-series {
  padding: 26px 28px;
  border: 0;
  background: #222428;
  box-shadow: 0 18px 34px rgba(29, 29, 31, 0.14);
}
.message-chart-title {
  margin: 0;
  color: #2f3949;
  font-size: 14px;
  font-weight: 700;
}
.message-chart-card-series .message-chart-title {
  color: #ffffff;
}
.message-chart-canvas { width: 100%; min-height: 340px; }
.message-chart-canvas-series { height: 360px; }
.message-chart-canvas-rank { height: 340px; }
.message-image-card { display: grid; gap: 6px; }
.message-image-label { color: var(--muted); font-size: 12px; }
.message-image { width: min(100%, 640px); border-radius: 10px; border: 1px solid var(--line); background: #fff; box-shadow: 0 8px 24px rgba(32, 33, 36, 0.08); }
.debug-block { max-width: min(760px, 88vw); border: 1px solid var(--line); border-radius: 8px; background: #fbfbfb; padding: 12px; overflow-x: auto; color: #2b2f36; font-family: Consolas, "Courier New", monospace; font-size: 12px; line-height: 1.55; white-space: pre; }

.user-management-view {
  min-height: 0;
  overflow-y: auto;
}
.user-management-panel {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 18px;
}
.user-management-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}
.user-management-eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}
.user-management-header h1 {
  margin: 2px 0 0;
  font-size: 24px;
  font-weight: 750;
}
.user-create-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr)) auto auto;
  gap: 10px;
  align-items: end;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.user-field {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}
.user-field input,
.user-field select,
.user-reset-input {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 10px;
}
.user-admin-toggle {
  min-height: 36px;
  align-items: center;
}
.user-create-btn {
  min-height: 38px;
  padding: 0 14px;
}
.user-management-status {
  min-height: 20px;
  color: var(--muted);
  font-size: 13px;
}
.user-list {
  display: grid;
  gap: 10px;
}
.user-empty {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
}
.user-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.user-card-main,
.user-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.user-card-name {
  font-weight: 700;
}
.user-card-meta {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}
.user-status {
  min-height: 26px;
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--soft);
  font-size: 12px;
  font-weight: 700;
}
.user-reset-input {
  width: 150px;
}
@media (max-width: 1040px) {
  .user-create-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 720px) {
  .user-management-panel {
    padding: 16px;
  }
  .user-management-header {
    align-items: start;
    flex-direction: column;
  }
  .user-create-form {
    grid-template-columns: 1fr;
  }
  .user-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .user-actions .auth-btn,
  .user-reset-input {
    width: 100%;
  }
}
.composer-wrap { padding: 0 24px 26px; }
.composer { width: min(820px, 100%); margin: 0 auto; display: grid; gap: 10px; }
.input-box { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: end; gap: 8px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow); padding: 12px; }
#promptInput { width: 100%; min-height: 52px; max-height: 170px; resize: none; border: 0; outline: 0; background: transparent; color: var(--ink); line-height: 1.6; padding: 4px 2px; }
.composer-tools { display: flex; justify-content: center; }
.agent-select-row { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.agent-select { min-width: 260px; height: 36px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); padding: 0 12px; }
.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: linear-gradient(180deg, #fbfbfc 0%, #eef0f4 100%);
  color: #2b313a;
  border: 1px solid rgba(162, 168, 178, 0.35);
  box-shadow: 0 8px 18px rgba(32, 33, 36, 0.08);
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease, color 140ms ease;
}
.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(32, 33, 36, 0.12);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
  display: block;
}
.icon-btn.recording {
  background: linear-gradient(180deg, #c0342b 0%, #951d16 100%);
  color: #fff;
}
.send-btn {
  background: linear-gradient(135deg, #4d6bfe 0%, #3154f5 100%);
  color: #fff;
  border-color: rgba(49, 84, 245, 0.36);
}
.send-btn svg {
  transform: translateX(1px) rotate(-12deg);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.agent-picker { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.agent-chip { min-height: 34px; border-radius: 999px; padding: 7px 12px; color: #3f4248; background: var(--soft); font-size: 13px; }
.agent-chip.active { color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px rgba(77, 107, 254, 0.18); }
.voice-status { min-height: 22px; color: var(--muted); font-size: 13px; text-align: center; }
.error { color: var(--danger); }
.success { color: var(--success); }
body.has-session .welcome { display: none; }
body.has-session .messages { display: block; }
body:not(.has-session) .chat-view.active { grid-template-rows: minmax(0, 1fr); }
body:not(.has-session) .composer-wrap {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 24px;
}
body:not(.has-session) .composer { width: min(920px, 100%); gap: 12px; }
body:not(.has-session) .input-box {
  min-height: 92px;
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 12px 34px rgba(32, 33, 36, 0.08);
}
body:not(.has-session) #promptInput {
  min-height: 68px;
  font-size: 17px;
  line-height: 1.6;
}

.query-oi-view, .backtest-rule-view { overflow-y: auto; padding: 0 26px 26px; }
.query-oi-panel, .backtest-rule-panel { display: grid; gap: 16px; max-width: 1180px; width: 100%; margin: 0 auto; }
.query-oi-header { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.query-oi-header h1 { margin: 0; font-size: 28px; }
.query-oi-header p { margin: 6px 0 0; color: var(--muted); }
.query-controls { display: grid; gap: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: 0 8px 26px rgba(32, 33, 36, 0.05); }
.backtest-rule-controls { display: grid; gap: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: 0 8px 26px rgba(32, 33, 36, 0.05); }
.query-control-row { display: grid; gap: 10px; align-items: end; }
.query-control-row.primary { grid-template-columns: 160px minmax(220px, 250px) minmax(220px, 250px) 188px minmax(220px, 280px) auto; }
.query-controls label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.query-controls select, .query-controls input { height: 38px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); padding: 0 10px; }
.query-submit { min-height: 38px; border-radius: 8px; padding: 0 18px; }
.mode-field { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.segmented-control { position: relative; display: grid; grid-template-columns: 1fr 1fr; width: 188px; min-height: 38px; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: #f7f8fa; padding: 3px; }
.segmented-control::before { content: ""; position: absolute; top: 3px; left: 3px; width: calc(50% - 3px); height: calc(100% - 6px); border-radius: 999px; background: #fff; box-shadow: 0 2px 8px rgba(32, 33, 36, 0.12); transition: transform 180ms ease; }
.segmented-control.broker-active::before { transform: translateX(100%); }
.segment { position: relative; z-index: 1; min-height: 30px; padding: 0 10px; background: transparent; color: var(--muted); font-size: 13px; font-weight: 650; }
.segment.active { color: var(--accent); }
.broker-picker { display: grid; grid-template-columns: minmax(220px, 280px) auto; gap: 8px; align-items: end; }
.broker-input-wrap, .variety-input-wrap, .symbol-input-wrap { position: relative; min-width: 0; }
.broker-tags { display: flex; flex-flow: row wrap; gap: 6px; min-height: 28px; align-items: center; min-width: 0; }
.broker-empty { display: inline-flex; align-items: center; height: 28px; white-space: nowrap; color: var(--muted); font-size: 13px; }
.broker-tag { display: inline-flex; align-items: center; gap: 6px; max-width: 180px; min-height: 28px; border-radius: 999px; padding: 0 8px; background: var(--soft); color: var(--ink); font-size: 12px; }
.broker-tag span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.broker-tag button { width: 18px; height: 18px; border-radius: 999px; background: transparent; color: var(--muted); line-height: 18px; }
.suggestion-menu { position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + 4px); max-height: 260px; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: 0 12px 28px rgba(32, 33, 36, 0.12); padding: 5px; }
.suggestion-menu button { display: flex; align-items: center; justify-content: space-between; gap: 4px; width: 100%; min-height: 30px; border-radius: 6px; padding: 0 5px; background: transparent; color: var(--ink); text-align: left; }
.suggestion-menu button input { width: 18px; height: 18px; accent-color: var(--accent); flex: 0 0 auto; }
.suggestion-menu button:hover { background: var(--soft); }
.suggestion-empty { min-height: 30px; display: flex; align-items: center; padding: 0 9px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.variety-menu { max-height: 320px; padding: 4px; }
.variety-menu .variety-option { min-height: 26px; padding: 0 6px; }
.variety-menu .variety-option span { min-width: 26px; color: var(--ink); font-size: 12px; font-weight: 700; }
.variety-menu .variety-option small { flex: 1 1 auto; color: var(--muted); font-size: 12px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.symbol-menu { max-height: 320px; }
.symbol-menu .symbol-option span { flex: 1 1 auto; font-size: 12px; font-weight: 650; }
.menu-actions { position: sticky; bottom: 0; display: flex; justify-content: flex-end; padding: 5px 4px 2px; background: #fff; border-top: 1px solid var(--line); }
.menu-actions button { width: auto; min-height: 28px; padding: 0 12px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; }
.broker-selected-row { grid-template-columns: 1fr; }
.filter-tags { display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
.filter-tag { display: inline-flex; align-items: center; gap: 6px; max-width: 220px; min-height: 26px; border-radius: 999px; padding: 0 8px; background: #fff; border: 1px solid var(--line); color: var(--ink); font-size: 12px; }
.filter-tag.variety-tag { background: #eef2ff; border-color: rgba(77, 107, 254, 0.28); color: #2947d3; font-weight: 700; }
.filter-tag span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.filter-tag button { width: 17px; height: 17px; border-radius: 999px; background: transparent; color: var(--muted); line-height: 17px; }
.filter-empty { display: inline-flex; align-items: center; min-height: 26px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.query-result { display: grid; gap: 16px; }
.backtest-rule-result { display: grid; gap: 16px; }
.hidden { display: none !important; }
.metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.metric-card { display: grid; gap: 6px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.metric-card span { color: var(--muted); font-size: 13px; }
.metric-card strong { font-size: 26px; letter-spacing: 0; }
.metric-card small { color: var(--muted); font-size: 13px; }
.date-control input { width: 100%; min-width: 160px; cursor: pointer; }
.chart-stack { display: grid; gap: 12px; }
.broker-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.chart-panel, .table-panel { display: grid; gap: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 14px; }
.panel-title { font-weight: 700; }
.sub-panel-title { margin-bottom: 6px; color: var(--muted); font-size: 13px; font-weight: 650; }
.chart { width: 100%; height: 340px; }
.broker-chart { height: 390px; }
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.data-table th, .data-table td { padding: 10px 9px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.data-table th:nth-child(2), .data-table td:nth-child(2) { text-align: left; }
.side-table-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.side-table { min-width: 420px; }
.data-table th { color: var(--muted); font-weight: 650; font-size: 13px; }
.data-table th[data-sort] { cursor: pointer; user-select: none; }
.data-table th[data-sort]::after { content: "⇅"; margin-left: 7px; color: #667085; font-size: 14px; font-weight: 800; }
.data-table th.sorted-asc::after { content: "▲"; color: var(--accent); }
.data-table th.sorted-desc::after { content: "▼"; color: var(--accent); }
.positive { color: var(--success); }
.negative { color: var(--danger); }
.backtest-rule-form { display: grid; gap: 12px; }
.backtest-rule-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.backtest-rule-field { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.backtest-rule-field input,
.backtest-rule-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 9px 10px;
}
.backtest-rule-field input { height: 38px; }
.backtest-rule-field textarea {
  min-height: 300px;
  resize: vertical;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.55;
}
.backtest-rule-toggle { justify-content: flex-start; }
.backtest-rule-output {
  max-width: 100%;
  width: 100%;
  margin: 0;
}

@media (max-width: 1080px) {
  .query-control-row.primary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .backtest-rule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .broker-chart-grid { grid-template-columns: 1fr; }
  .side-table-grid { grid-template-columns: 1fr; }
}
@media (max-width: 920px) {
  .topbar { align-items: start; flex-direction: column; }
  .topbar-controls { width: 100%; justify-content: space-between; }
  .model-select { min-width: 180px; flex: 1 1 auto; }
}
@media (max-width: 820px) {
  body { overflow: auto; }
  .app-shell { grid-template-columns: 1fr; height: auto; min-height: 100vh; }
  .sidebar { max-height: 260px; border-right: 0; border-bottom: 1px solid var(--line); }
  .main { height: calc(100vh - 260px); min-height: 680px; }
  .topbar { padding: 12px 16px; }
  .workspace-tabs { padding: 0 16px 10px; }
  .composer-wrap { padding: 0 14px 18px; }
  .messages { padding: 18px 14px; }
  .bubble, .message-images, .message-charts { max-width: 96%; width: 96%; }
  .query-oi-view { padding: 0 14px 18px; }
  .metric-grid, .query-control-row.primary, .broker-picker, .backtest-rule-grid { grid-template-columns: 1fr; }
}

/* Query OI refresh, apple-style redesign */
.query-oi-view {
  --oi-blue: #0066cc;
  --oi-blue-focus: #0071e3;
  --oi-ink: #1d1d1f;
  --oi-muted: #6e6e73;
  --oi-muted-soft: #86868b;
  --oi-line: #e0e0e0;
  --oi-divider: #ededf0;
  --oi-canvas: #ffffff;
  --oi-parchment: #f5f5f7;
  --oi-dark: #222428;
  --oi-long: #b42318;
  --oi-short: #137a48;
  --oi-long-ui: #7f1d1d;
  --oi-short-ui: #075e36;
  padding: 0 26px 42px;
  align-content: start;
  background: var(--oi-parchment);
  color: var(--oi-ink);
  font-family: "SF Pro Text", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.query-oi-panel {
  gap: 14px;
  max-width: 1240px;
  align-content: start;
  align-self: start;
}

.query-oi-export-area {
  display: grid;
  gap: 14px;
}

.query-oi-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-items: end;
  padding: 4px 4px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.query-oi-copy {
  display: grid;
  gap: 4px;
}

.query-oi-eyebrow {
  color: var(--oi-blue);
  font-size: 13px;
  font-weight: 600;
}

.query-oi-header h1 {
  margin: 0;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.1;
}

.query-oi-product-field {
  display: grid;
  gap: 8px;
  justify-items: end;
  align-self: center;
}

.query-oi-product-field > span {
  color: var(--oi-muted);
  font-size: 12px;
  font-weight: 600;
}

.product-switch {
  width: 156px;
  min-width: 156px;
}

.query-pill-btn,
.query-submit {
  min-height: 44px;
  border-radius: 999px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 500;
}

.query-pill-btn {
  background: var(--oi-blue);
  color: #fff;
}

.query-submit {
  background: var(--oi-ink);
  color: #fff;
}

.query-pill-btn:active,
.query-submit:active,
.menu-actions button:active,
.broker-add-btn:active {
  transform: scale(0.96);
}

.query-status {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 38px;
  max-width: none;
  width: fit-content;
  padding: 0 14px;
  border: 1px solid rgba(224, 224, 224, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--oi-muted);
  font-size: 13px;
  text-align: left;
  backdrop-filter: saturate(180%) blur(18px);
}

.query-status:empty {
  display: none;
}

.query-status.success {
  color: var(--oi-blue);
  border-color: rgba(0, 102, 204, 0.16);
  background: rgba(0, 102, 204, 0.08);
}

.query-status.error {
  color: var(--danger);
  border-color: rgba(180, 35, 24, 0.16);
  background: rgba(180, 35, 24, 0.06);
}

.query-controls {
  position: relative;
  top: auto;
  z-index: 18;
  overflow: visible;
  isolation: isolate;
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(224, 224, 224, 0.92);
  border-radius: 24px;
  background: rgba(245, 245, 247, 0.86);
  backdrop-filter: saturate(180%) blur(20px);
  box-shadow: none;
}

.query-controls + .query-status {
  margin-top: -6px;
}

.query-control-row {
  gap: 12px;
}

.query-control-row.primary {
  grid-template-columns: 164px minmax(170px, 208px) minmax(170px, 208px) 196px minmax(220px, 260px) auto;
  align-items: end;
}

.query-controls label,
.mode-field {
  gap: 8px;
  color: var(--oi-muted);
  font-size: 12px;
  font-weight: 600;
}

.query-controls select,
.query-controls input {
  height: 44px;
  border: 1px solid var(--oi-line);
  border-radius: 999px;
  background: var(--oi-canvas);
  color: var(--oi-ink);
  padding: 0 16px;
  font-size: 14px;
}

.query-controls input::placeholder {
  color: var(--oi-muted-soft);
}

.query-controls input:focus,
.query-controls select:focus {
  outline: 2px solid rgba(0, 113, 227, 0.16);
  border-color: var(--oi-blue-focus);
}

.mode-value-cell {
  display: grid;
  min-width: 0;
  align-self: end;
}

.mode-value-cell.hidden {
  display: none;
}

.segmented-control {
  width: 196px;
  min-height: 44px;
  border: 1px solid rgba(29, 29, 31, 0.08);
  background: rgba(29, 29, 31, 0.06);
  padding: 4px;
}

.segmented-control::before {
  top: 4px;
  left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  border: 1px solid rgba(29, 29, 31, 0.06);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 20px rgba(29, 29, 31, 0.10);
  transition: transform 220ms ease;
}

.segment {
  min-height: 34px;
  color: #7f838c;
  font-size: 13px;
  font-weight: 620;
  transition: color 180ms ease, font-weight 180ms ease;
}

.segment.active {
  color: var(--oi-ink);
  font-weight: 700;
}

.broker-picker {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  width: 100%;
}

.suggestion-menu {
  top: calc(100% + 8px);
  max-height: 320px;
  border: 1px solid rgba(224, 224, 224, 0.96);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  padding: 8px;
  backdrop-filter: saturate(180%) blur(20px);
  box-shadow: none;
}

.suggestion-empty {
  min-height: 34px;
  padding: 0 12px;
  color: var(--oi-muted);
}

.suggestion-menu .picker-option-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  gap: 8px;
  align-items: center;
}

.suggestion-menu .picker-option-row + .picker-option-row {
  margin-top: 2px;
}

.suggestion-menu .picker-option-main,
.suggestion-menu .picker-option-check {
  min-height: 36px;
  border-radius: 12px;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.suggestion-menu .picker-option-main {
  width: 100%;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 2px;
  padding: 7px 12px;
  background: transparent;
  color: var(--oi-ink);
  text-align: left;
}

.suggestion-menu .picker-option-main:hover {
  background: var(--oi-parchment);
}

.suggestion-menu .picker-option-check {
  width: 36px;
  min-width: 36px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  background: transparent;
}

.suggestion-menu .picker-option-check:hover {
  background: rgba(29, 75, 153, 0.06);
}

.suggestion-menu .picker-option-main:disabled,
.suggestion-menu .picker-option-check:disabled,
.suggestion-menu .picker-option-row.disabled .picker-option-main,
.suggestion-menu .picker-option-row.disabled .picker-option-check {
  opacity: 0.56;
  cursor: default;
}

.suggestion-menu .picker-option-primary,
.suggestion-menu .picker-option-secondary {
  min-width: 0;
}

.suggestion-menu .picker-option-primary {
  font-size: 13px;
  font-weight: 650;
  line-height: 1.35;
}

.suggestion-menu .picker-option-secondary {
  color: var(--oi-muted-soft);
  font-size: 11px;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.suggestion-menu .picker-option-box {
  position: relative;
  width: 18px;
  height: 18px;
  border: 1.5px solid rgba(61, 73, 91, 0.28);
  border-radius: 6px;
  background: #fff;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.suggestion-menu .picker-option-box.checked {
  background: var(--oi-blue);
  border-color: var(--oi-blue);
}

.suggestion-menu .picker-option-box.checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.variety-menu {
  max-height: 336px;
}

.suggestion-menu .variety-option {
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  column-gap: 10px;
}

.suggestion-menu .variety-option .picker-option-primary {
  min-width: 30px;
}

.suggestion-menu .variety-option .picker-option-secondary {
  font-size: 12px;
}

.suggestion-menu .symbol-option,
.suggestion-menu .broker-option {
  grid-template-columns: minmax(0, 1fr);
}

.broker-group-section {
  display: grid;
  gap: 4px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--oi-divider);
}

.broker-group-title {
  padding: 2px 10px 4px;
  color: var(--oi-muted);
  font-size: 12px;
  font-weight: 700;
}

.broker-group-row {
  display: grid;
  gap: 4px;
}

.broker-group-row .picker-option-row {
  margin-top: 0;
}

.suggestion-menu .broker-group-option .picker-option-primary {
  color: #143d7a;
}

.broker-group-tools,
.broker-group-create {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 6px 4px 12px;
}

.broker-group-tools button,
.broker-group-create button {
  min-height: 24px;
  border: 1px solid rgba(29, 75, 153, 0.16);
  border-radius: 999px;
  background: rgba(29, 75, 153, 0.06);
  color: #1d4b99;
  padding: 0 9px;
  font-size: 11px;
  font-weight: 700;
}

.broker-group-create {
  padding-top: 8px;
  border-top: 1px solid var(--oi-divider);
}

.suggestion-menu .symbol-option-meta .picker-option-primary {
  font-weight: 700;
}

.menu-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 6px 4px;
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--oi-divider);
}

.menu-actions button {
  min-height: 34px;
  border-radius: 999px;
  padding: 0 16px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.menu-actions .menu-action-clear {
  background: rgba(235, 238, 243, 0.92);
  border-color: rgba(165, 172, 186, 0.26);
  color: #313744;
}

.menu-actions .menu-action-confirm {
  background: #3c475a;
  color: #fff;
}

.menu-actions button:hover {
  filter: none;
}

.menu-actions .menu-action-clear:hover {
  background: #dbe1e9;
  border-color: rgba(124, 136, 154, 0.28);
  color: #273041;
}

.menu-actions .menu-action-confirm:hover {
  background: #2f3949;
  color: #fff;
}

.selected-filter-row {
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 0;
  border: 0;
  background: transparent;
}

.selected-filter-row > div {
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 14px;
  border: 1px solid rgba(224, 224, 224, 0.92);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.filter-label {
  padding-top: 6px;
  color: var(--oi-muted);
  font-size: 12px;
  font-weight: 600;
}

.filter-tags {
  gap: 8px;
}

.filter-body-stack {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.query-controls .top-count-field {
  display: inline-flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 6px;
  width: auto;
  min-height: 38px;
  white-space: nowrap;
  color: var(--oi-muted);
  font-size: 13px;
  font-weight: 600;
}

.top-count-prefix,
.top-count-suffix {
  display: inline-flex;
  align-items: center;
  color: var(--oi-muted);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.query-controls .top-count-field input {
  width: 54px;
  height: 32px;
  border: 0;
  border-bottom: 1.5px solid rgba(75, 85, 99, 0.36);
  border-radius: 0;
  background: transparent;
  padding: 0 4px;
  color: var(--oi-ink);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  box-shadow: none;
}

.query-controls .top-count-field input.invalid {
  border-bottom-color: rgba(180, 35, 24, 0.72);
  background: transparent;
}

.filter-tag {
  max-width: 260px;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(224, 224, 224, 0.96);
  background: #fff;
}

.filter-tag.variety-tag {
  border-color: rgba(47, 57, 73, 0.28);
  background: #2f3949;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(47, 57, 73, 0.16);
}

.filter-tag.variety-tag button {
  color: rgba(255, 255, 255, 0.84);
}

.filter-tag.filter-tag-all {
  border-color: rgba(29, 29, 31, 0.12);
  background: rgba(29, 29, 31, 0.06);
  color: var(--oi-ink);
  font-weight: 600;
}

.filter-tag button {
  width: 18px;
  height: 18px;
}

.filter-empty {
  min-height: 28px;
  padding: 0 10px;
  border: 1px dashed rgba(224, 224, 224, 0.96);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.query-result {
  gap: 22px;
}

.metric-grid {
  gap: 0;
  align-items: stretch;
  padding: 6px 0 2px;
  border-top: 1px solid rgba(210, 210, 215, 0.72);
  border-bottom: 1px solid rgba(210, 210, 215, 0.72);
}

.metric-card {
  gap: 6px;
  padding: 14px 22px 16px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.metric-card + .metric-card {
  border-left: 1px solid rgba(210, 210, 215, 0.72);
}

.metric-card span {
  color: var(--oi-muted);
  font-size: 12px;
  font-weight: 600;
}

.metric-card strong {
  font-size: 31px;
  font-weight: 600;
  line-height: 1.08;
}

.metric-card small {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  line-height: 1.45;
}

.metric-delta-label {
  color: var(--oi-muted);
}

.metric-delta-value {
  font-variant-numeric: tabular-nums;
}

.metric-delta-value.metric-up {
  color: var(--oi-long);
}

.metric-delta-value.metric-down {
  color: var(--oi-short);
}

.metric-card:nth-child(1) strong {
  color: var(--oi-long);
}

.metric-card:nth-child(2) strong {
  color: var(--oi-short);
}

.metric-card:nth-child(3) strong {
  color: var(--oi-ink);
}

.date-control input {
  min-width: 164px;
}

.chart-stack {
  gap: 22px;
}

.query-oi-product-panels {
  display: grid;
  gap: 22px;
}

.option-series-stack {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.option-series-panel {
  min-width: 0;
}

.option-series-chart {
  height: 360px;
}

.option-class-stack {
  display: grid;
  gap: 18px;
}

.option-class-block {
  display: grid;
  gap: 14px;
}

.option-class-heading {
  display: none;
}

.option-ranking-panel,
.option-detail-panel {
  gap: 18px;
}

.chart-panel,
.table-panel {
  gap: 16px;
}

.series-panel {
  padding: 30px 32px;
  border-radius: 28px;
  background: var(--oi-dark);
  color: #fff;
}

.series-panel .panel-title {
  color: #fff;
}

.ranking-panel,
.detail-panel {
  padding: 0;
  border: 0;
  background: transparent;
}

.panel-title {
  margin: 0 2px;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--oi-ink);
}

.sub-panel-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-height: 52px;
  margin: 0;
  padding: 16px 18px 14px;
  border-bottom: 1px solid rgba(196, 199, 205, 0.9);
  color: var(--oi-ink);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.35;
  text-align: center;
}

.sub-panel-title::before {
  content: none;
  display: none;
}

.broker-chart-grid {
  gap: 16px;
}

.broker-chart-grid > div {
  display: grid;
  gap: 0;
  padding: 0;
  border: 1px solid rgba(196, 199, 205, 0.92);
  border-radius: 22px;
  background: #f8f9fb;
  overflow: hidden;
}

.chart {
  height: 380px;
}

.broker-chart {
  height: 360px;
  margin: 12px 16px 18px;
}

.ranking-card-long .sub-panel-title {
  color: var(--oi-long-ui);
  background: linear-gradient(180deg, rgba(127, 29, 29, 0.24), rgba(127, 29, 29, 0.11));
}

.ranking-card-short .sub-panel-title {
  color: var(--oi-short-ui);
  background: linear-gradient(180deg, rgba(7, 94, 54, 0.24), rgba(7, 94, 54, 0.11));
}

.table-scroll {
  overflow: auto;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  scrollbar-gutter: stable both-edges;
  border: 1px solid var(--oi-line);
  border-radius: 20px;
  background: var(--oi-canvas);
}

.side-table-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.detail-table-card {
  display: grid;
  grid-template-rows: minmax(52px, auto) minmax(0, 1fr);
  gap: 0;
  min-width: 0;
  padding: 0;
  border: 1px solid rgba(196, 199, 205, 0.92);
  border-radius: 22px;
  background: #f8f9fb;
  box-shadow: 0 12px 26px rgba(32, 33, 36, 0.045);
  overflow: hidden;
}

.detail-card-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  justify-self: stretch;
  width: 100%;
  box-sizing: border-box;
  min-height: 52px;
  padding: 15px 18px 14px;
  border-bottom: 1px solid rgba(196, 199, 205, 0.9);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.35;
  white-space: normal;
  text-align: center;
}

.detail-card-badge::before {
  content: none;
  display: none;
}

.detail-card-badge-long {
  background: linear-gradient(180deg, rgba(127, 29, 29, 0.24), rgba(127, 29, 29, 0.11));
  color: var(--oi-long-ui);
}

.detail-card-badge-short {
  background: linear-gradient(180deg, rgba(7, 94, 54, 0.24), rgba(7, 94, 54, 0.11));
  color: var(--oi-short-ui);
}

.detail-card-badge-net-long {
  background: linear-gradient(180deg, rgba(127, 29, 29, 0.24), rgba(127, 29, 29, 0.11));
  color: var(--oi-long-ui);
}

.detail-card-badge-net-short {
  background: linear-gradient(180deg, rgba(7, 94, 54, 0.24), rgba(7, 94, 54, 0.11));
  color: var(--oi-short-ui);
}

.data-table th,
.data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid #ececef;
}

.data-table tbody tr:hover {
  background: rgba(245, 245, 247, 0.72);
}

.data-table tbody tr[data-broker-row] {
  cursor: pointer;
}

.data-table tbody tr.locked-row,
.data-table tbody tr.locked-row:hover {
  background: rgba(223, 226, 231, 0.92);
}

.empty-row td {
  color: var(--oi-muted);
  text-align: center !important;
}

.data-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f0f2f5;
  color: #4b5563;
}

.data-table th[data-sort]::after {
  content: "\2195";
  margin-left: 7px;
  color: #8f9197;
  font-size: 15px;
  font-weight: 800;
}

.data-table th.sorted-asc::after {
  content: "\25B2";
  color: var(--oi-blue);
}

.data-table th.sorted-desc::after {
  content: "\25BC";
  color: var(--oi-blue);
}

.query-oi-view .positive {
  color: var(--oi-long);
  font-weight: 650;
}

.query-oi-view .negative {
  color: var(--oi-short);
  font-weight: 650;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(29, 29, 31, 0.06);
  color: var(--oi-ink);
  font-size: 12px;
  font-weight: 600;
}

.detail-table-card .table-scroll {
  border: 0;
  border-radius: 0 0 22px 22px;
  background: transparent;
  overflow: hidden;
  scrollbar-gutter: auto;
}

.detail-table-card .data-table {
  min-width: 0;
  width: 100%;
  table-layout: fixed;
  background: #ffffff;
}

.detail-table-card .data-table thead tr {
  background: #f0f2f5;
}

.detail-table-card .side-table {
  min-width: 0;
}

.detail-table-card .data-table th,
.detail-table-card .data-table td {
  padding: 12px 14px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  vertical-align: middle;
  text-align: center;
}

.detail-table-card .data-table th:nth-child(1),
.detail-table-card .data-table td:nth-child(1),
.detail-table-card .data-table th:nth-child(2),
.detail-table-card .data-table td:nth-child(2),
.detail-table-card .data-table th:nth-child(3),
.detail-table-card .data-table td:nth-child(3),
.detail-table-card .data-table th:nth-child(4),
.detail-table-card .data-table td:nth-child(4) {
  width: 25%;
}

.detail-table-card .data-table th:nth-child(1),
.detail-table-card .data-table td:nth-child(1) {
  text-align: center;
}

.detail-table-card .data-table th:nth-child(2),
.detail-table-card .data-table td:nth-child(2) {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 1200px) {
  .query-control-row.primary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .query-submit {
    width: 100%;
  }

}

@media (max-width: 980px) {
  .metric-grid,
  .option-series-stack,
  .broker-chart-grid,
  .side-table-grid {
    grid-template-columns: 1fr;
  }

  .metric-card + .metric-card {
    border-left: 0;
    border-top: 1px solid rgba(210, 210, 215, 0.72);
  }
}

@media (max-width: 820px) {
  .query-oi-view {
    padding: 0 14px 24px;
  }

  .query-oi-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 10px 4px 2px;
  }

  .query-oi-product-field {
    justify-items: start;
  }

  .query-oi-header h1 {
    font-size: 30px;
  }

  .query-controls {
    padding: 16px;
    border-radius: 20px;
  }

  .query-control-row.primary,
  .broker-picker,
  .selected-filter-row > div,
  .metric-grid,
  .broker-chart-grid,
  .side-table-grid {
    grid-template-columns: 1fr;
  }

  .selected-filter-row > div {
    gap: 8px;
  }

  .top-count-field {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .top-count-field input {
    width: 100%;
  }

  .filter-label {
    padding-top: 0;
  }

  .series-panel {
    padding: 24px 20px;
    border-radius: 22px;
  }

  .broker-chart-grid > div {
    padding: 0;
  }

  .detail-table-card {
    padding: 0;
  }

  .chart {
    height: 320px;
  }

  .broker-chart {
    height: 300px;
    margin: 10px 12px 14px;
  }
}

/* Query OI control layout refresh */
.query-oi-header {
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}

.query-controls {
  gap: 12px;
  padding: 16px;
}

.query-control-row.primary.query-control-row-top {
  grid-template-columns: 164px 172px 196px auto;
  align-items: end;
  justify-content: start;
  column-gap: 12px;
}

.query-oi-product-field {
  display: grid;
  gap: 8px;
  justify-items: start;
  align-self: end;
}

.query-oi-product-field > span {
  color: var(--oi-muted);
  font-size: 12px;
  font-weight: 600;
}

.product-switch {
  width: 152px;
  min-width: 152px;
}

.query-action-group {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 8px;
  flex-wrap: wrap;
}

.query-submit {
  min-width: 94px;
  width: auto;
  justify-self: start;
  padding: 0 18px;
}

.query-controls .query-submit,
.query-controls .query-save {
  min-height: 40px;
  border-radius: 999px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 600;
}

.query-controls .query-submit {
  border: 1px solid #2f3949;
  background: #2f3949;
  color: #fff;
  box-shadow: 0 10px 20px rgba(47, 57, 73, 0.14);
}

.query-controls .query-submit:hover {
  background: #243041;
  border-color: #243041;
}

.query-controls .query-save {
  border: 1px solid rgba(144, 151, 163, 0.42);
  background: rgba(255, 255, 255, 0.88);
  color: #2f3949;
  box-shadow: 0 10px 20px rgba(32, 33, 36, 0.06);
}

.query-controls .query-save:hover {
  background: #eef1f5;
  border-color: rgba(112, 121, 136, 0.38);
  color: #243041;
}

.query-controls .query-save:disabled {
  opacity: 0.56;
  cursor: default;
  box-shadow: none;
}

.query-save-notice {
  min-height: 22px;
  display: inline-flex;
  align-items: center;
  color: var(--oi-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.query-save-notice:empty {
  display: none;
}

.query-save-notice.success {
  color: var(--oi-short-ui);
}

.query-save-notice.error {
  color: var(--danger);
}

.query-filter-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 8px 18px;
  align-items: start;
  padding: 8px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
}

.query-filter-row + .query-filter-row {
  padding-top: 14px;
  border-top: 1px solid rgba(221, 224, 229, 0.88);
}

.query-filter-row.expanded {
  z-index: 48;
}

.query-controls .query-filter-head {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  width: fit-content;
  min-height: 32px;
  padding: 4px 2px 4px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #24354f;
  font-size: 14px;
  font-weight: 600;
  box-shadow: none;
  cursor: pointer;
  user-select: none;
}

.query-filter-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 650;
  white-space: nowrap;
}

.query-controls .query-filter-head:hover .query-filter-title,
.query-controls .query-filter-head:focus-visible .query-filter-title {
  color: #153f86;
}

.query-controls .query-filter-head:focus-visible {
  outline: none;
}

.query-controls .query-filter-toggle {
  position: relative;
  width: auto;
  min-width: 0;
  height: auto;
  padding: 0 2px;
  border: 0;
  background: transparent;
  margin-left: 0;
  color: #153f86;
  font-size: 23px;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-shadow: none;
  transition: transform 180ms ease, color 180ms ease, text-shadow 180ms ease;
}

.query-controls .query-filter-toggle::after {
  content: "";
  position: absolute;
  inset: -5px -7px;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: border-color 180ms ease;
  pointer-events: none;
}

.query-controls .query-filter-toggle:hover {
  color: #0f3779;
  background: transparent;
  transform: scale(1.12);
  text-shadow: 0 8px 20px rgba(21, 63, 134, 0.14);
}

.query-controls .query-filter-toggle:hover::after,
.query-controls .query-filter-toggle:focus-visible::after {
  border-color: rgba(21, 63, 134, 0.26);
}

.query-controls .query-filter-toggle:focus-visible {
  color: #0f3779;
  outline: none;
  transform: scale(1.12);
}

.query-filter-row.expanded .query-filter-head {
  background: transparent;
  border-color: transparent;
}

.query-controls .query-filter-toggle.active,
.query-filter-row.expanded .query-filter-toggle {
  color: #0f3779;
  background: transparent;
  transform: rotate(45deg) scale(1.08);
  text-shadow: 0 8px 20px rgba(21, 63, 134, 0.14);
}

.query-controls .query-filter-toggle.active::after,
.query-filter-row.expanded .query-filter-toggle::after {
  border-color: rgba(21, 63, 134, 0.28);
}

.query-filter-main {
  min-width: 0;
  min-height: 38px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.query-filter-main .filter-tags {
  width: 100%;
}

.query-filter-picker {
  position: absolute;
  top: calc(100% + 8px);
  left: 86px;
  width: min(460px, calc(100% - 86px));
  z-index: 56;
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(214, 218, 224, 0.96);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 18px 44px rgba(29, 29, 31, 0.08);
}

.query-filter-input-label {
  display: grid;
  gap: 0;
}

.query-filter-picker .variety-input-wrap,
.query-filter-picker .symbol-input-wrap,
.query-filter-picker .broker-input-wrap {
  max-width: none;
}

.query-filter-picker .top-count-field {
  width: fit-content;
}

.filter-tag.symbol-tag-dominant {
  border-color: rgba(216, 153, 18, 0.55);
  background: #fff2b8;
  color: #8a5a00;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(216, 153, 18, 0.16);
}

.filter-tag.symbol-tag-dominant button {
  color: #8a5a00;
}

.query-symbol-title {
  position: relative;
}

.query-symbol-title::after {
  content: attr(data-tooltip);
  position: absolute;
  z-index: 60;
  left: 0;
  top: calc(100% + 8px);
  width: 330px;
  padding: 10px 12px;
  border: 1px solid rgba(214, 218, 224, 0.96);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  color: #24354f;
  box-shadow: 0 12px 28px rgba(32, 33, 36, 0.12);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-2px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.query-symbol-title:hover::after,
.query-symbol-title:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.broker-tags {
  min-height: 28px;
}

@media (max-width: 1200px) {
  .query-control-row.primary.query-control-row-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .query-action-group {
    justify-self: start;
  }

  .query-submit {
    width: auto;
  }
}

@media (max-width: 820px) {
  .query-control-row.primary.query-control-row-top {
    grid-template-columns: 1fr;
  }

  .query-action-group {
    width: 100%;
    justify-self: stretch;
  }

  .query-action-group .query-submit,
  .query-action-group .query-save {
    flex: 1 1 0;
  }

  .query-filter-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .query-filter-head {
    min-height: 0;
  }

  .query-filter-picker {
    left: 0;
    width: 100%;
  }

  .query-filter-picker .variety-input-wrap,
  .query-filter-picker .symbol-input-wrap,
  .query-filter-picker .broker-input-wrap {
    max-width: none;
  }

  .top-count-field {
    width: fit-content;
  }

  .top-count-field input {
    width: 68px;
  }

  .query-submit {
    width: 100%;
    justify-self: stretch;
  }
}

/* =========================================================
   Backtest Rule · Apple-style UI refresh
   ========================================================= */
.backtest-rule-view {
  --br-blue: #0066cc;
  --br-blue-focus: #0071e3;
  --br-ink: #1d1d1f;
  --br-muted: #6e6e73;
  --br-muted-soft: #86868b;
  --br-line: #e0e0e0;
  --br-divider: #ededf0;
  --br-canvas: #ffffff;
  --br-parchment: #f5f5f7;
  --br-pearl: #fafafc;
  --br-success: #137a48;
  --br-danger: #b42318;
  padding: 0 26px 48px;
  align-content: start;
  background: var(--br-parchment);
  color: var(--br-ink);
  font-family: "SF Pro Text", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.backtest-rule-panel {
  display: grid;
  gap: 24px;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding-top: 16px;
}
.backtest-rule-hero {
  display: grid;
  gap: 6px;
  padding: 12px 4px 4px;
}
.backtest-rule-eyebrow {
  color: var(--br-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.backtest-rule-title {
  margin: 0;
  font-family: "SF Pro Display", "PingFang SC", -apple-system, sans-serif;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.1;
}
.backtest-rule-lead {
  margin: 0;
  color: var(--br-muted);
  font-size: 17px;
  line-height: 1.47;
}

.backtest-rule-view .backtest-rule-controls {
  display: grid;
  gap: 20px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.backtest-rule-engine-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 18px;
  background: var(--br-canvas);
  border: 1px solid var(--br-line);
}
.backtest-rule-engine-label {
  color: var(--br-muted);
  font-size: 14px;
  font-weight: 600;
}
.backtest-rule-view .segmented-control {
  width: 240px;
  border-color: var(--br-line);
  background: var(--br-parchment);
}
.backtest-rule-view .segment {
  color: var(--br-muted);
}
.backtest-rule-view .segment.active {
  color: var(--br-blue);
}

.backtest-rule-view .backtest-rule-form {
  display: grid;
  gap: 18px;
}
.backtest-rule-card {
  display: grid;
  gap: 14px;
  padding: 22px 24px;
  border-radius: 18px;
  background: var(--br-canvas);
  border: 1px solid var(--br-line);
}
.backtest-rule-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.backtest-rule-card-title {
  font-family: "SF Pro Display", "PingFang SC", -apple-system, sans-serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.011em;
  color: var(--br-ink);
}

.backtest-rule-view .backtest-rule-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.backtest-rule-view .backtest-rule-field {
  display: grid;
  gap: 6px;
  color: var(--br-muted);
  font-size: 13px;
  font-weight: 600;
}
.backtest-rule-view .backtest-rule-field input,
.backtest-rule-view .backtest-rule-field select,
.backtest-rule-view .backtest-rule-field textarea {
  width: 100%;
  border: 1px solid var(--br-line);
  border-radius: 11px;
  background: var(--br-canvas);
  color: var(--br-ink);
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 400;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.backtest-rule-view .backtest-rule-field input[type="date"] {
  position: relative;
}
.backtest-rule-view .backtest-rule-field input[type="date"]::-webkit-calendar-picker-indicator {
  position: absolute;
  inset: 0;
  width: auto;
  height: auto;
  opacity: 0;
  cursor: pointer;
}
.backtest-rule-view .backtest-rule-field input:focus,
.backtest-rule-view .backtest-rule-field select:focus,
.backtest-rule-view .backtest-rule-field textarea:focus {
  outline: none;
  border-color: var(--br-blue-focus);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}
.backtest-rule-view .backtest-rule-field input { height: 40px; }
.backtest-rule-view .backtest-rule-field select { height: 40px; }
.backtest-rule-view .backtest-rule-field textarea {
  min-height: 240px;
  resize: vertical;
  font-family: "SF Mono", Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.55;
}
.backtest-rule-inline-control {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) minmax(140px, 0.8fr);
  gap: 8px;
}
.backtest-rule-view .backtest-rule-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--br-muted);
  font-size: 14px;
  font-weight: 500;
  user-select: none;
}
.backtest-rule-view .backtest-rule-toggle input { accent-color: var(--br-blue); }

.backtest-rule-help {
  border: 1px solid var(--br-divider);
  border-radius: 11px;
  background: var(--br-pearl);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--br-muted);
}
.backtest-rule-help summary {
  cursor: pointer;
  color: var(--br-blue);
  font-weight: 600;
}
.backtest-rule-help-body { padding-top: 8px; }
.backtest-rule-help-body p { margin: 6px 0; line-height: 1.55; color: var(--br-ink); }
.backtest-rule-help-body ul { margin: 6px 0; padding-left: 22px; line-height: 1.55; }
.backtest-rule-help-body code {
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(0, 102, 204, 0.08);
  color: var(--br-blue);
  font-family: "SF Mono", Consolas, monospace;
  font-size: 12px;
}

.backtest-rule-cond-section { display: grid; gap: 8px; padding-top: 4px; }
.backtest-rule-cond-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--br-ink);
}
.backtest-rule-list { display: grid; gap: 10px; }

.backtest-rule-add-btn {
  height: 32px;
  padding: 0 14px;
  border-radius: 9999px;
  background: var(--br-pearl);
  border: 1px solid var(--br-line);
  color: var(--br-blue);
  font-size: 13px;
  font-weight: 600;
  transition: transform 120ms ease, background 120ms ease;
}
.backtest-rule-add-btn:hover { background: rgba(0, 102, 204, 0.06); }
.backtest-rule-add-btn:active { transform: scale(0.96); }
.backtest-rule-add-btn:disabled {
  color: var(--br-muted-soft);
  background: var(--br-pearl);
  cursor: not-allowed;
  transform: none;
}
.backtest-rule-add-primary {
  justify-self: start;
}

.backtest-rule-remove-btn {
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: rgba(180, 35, 24, 0.06);
  color: var(--br-danger);
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 120ms ease;
}
.backtest-rule-remove-btn:hover { background: rgba(180, 35, 24, 0.12); }
.backtest-rule-remove-btn:active { transform: scale(0.92); }

.backtest-rule-indicator-row {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 14px;
  background: var(--br-pearl);
  border: 1px solid var(--br-divider);
}
.indicator-row-line {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) minmax(180px, 1fr) auto;
  gap: 12px;
  align-items: end;
}
.indicator-field { display: grid; gap: 6px; color: var(--br-muted); font-size: 12px; font-weight: 600; }
.indicator-label-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.indicator-help-popover {
  position: relative;
  display: inline-flex;
}
.indicator-help-popover summary {
  display: inline-grid;
  width: 17px;
  height: 17px;
  place-items: center;
  border: 1px solid var(--br-line);
  border-radius: 50%;
  color: var(--br-blue);
  font-size: 11px;
  line-height: 1;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.indicator-help-popover summary::-webkit-details-marker { display: none; }
.indicator-help-popover div {
  position: absolute;
  z-index: 45;
  left: 22px;
  top: -8px;
  width: 260px;
  padding: 10px 12px;
  border: 1px solid var(--br-line);
  border-radius: 12px;
  background: var(--br-canvas);
  color: var(--br-ink);
  box-shadow: 0 12px 28px rgba(32, 33, 36, 0.12);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
}
.indicator-hover-help {
  position: relative;
  display: inline-grid;
  width: 17px;
  height: 17px;
  place-items: center;
  border: 1px solid var(--br-line);
  border-radius: 50%;
  color: var(--br-blue);
  font-size: 11px;
  line-height: 1;
  cursor: help;
  user-select: none;
}
.indicator-hover-help::after {
  content: attr(data-tooltip);
  position: absolute;
  z-index: 45;
  left: 22px;
  top: -8px;
  width: 260px;
  padding: 10px 12px;
  border: 1px solid var(--br-line);
  border-radius: 12px;
  background: var(--br-canvas);
  color: var(--br-ink);
  box-shadow: 0 12px 28px rgba(32, 33, 36, 0.12);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-2px);
  transition: opacity 120ms ease, transform 120ms ease;
}
.indicator-hover-help:hover::after,
.indicator-hover-help:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}
.indicator-field input, .indicator-field select {
  width: 100%;
  height: 38px;
  border: 1px solid var(--br-line);
  border-radius: 11px;
  background: var(--br-canvas);
  color: var(--br-ink);
  padding: 0 12px;
  font-size: 14px;
}
.indicator-field input:focus, .indicator-field select:focus {
  outline: none;
  border-color: var(--br-blue-focus);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}
.indicator-kind-picker { position: relative; }
.indicator-kind-menu {
  position: absolute;
  z-index: 40;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--br-line);
  border-radius: 12px;
  background: var(--br-canvas);
  box-shadow: 0 12px 28px rgba(32, 33, 36, 0.12);
  padding: 6px;
}
.indicator-kind-menu button {
  display: grid;
  grid-template-columns: minmax(80px, 0.4fr) 1fr;
  gap: 8px;
  align-items: baseline;
  width: 100%;
  min-height: 34px;
  padding: 6px 10px;
  background: transparent;
  color: var(--br-ink);
  text-align: left;
  border-radius: 8px;
}
.indicator-kind-menu button:hover { background: var(--br-parchment); }
.indicator-kind-menu button strong { font-size: 13px; font-weight: 600; color: var(--br-ink); }
.indicator-kind-menu button small { color: var(--br-muted); font-size: 12px; line-height: 1.45; }
.indicator-kind-menu .suggestion-empty { color: var(--br-muted); padding: 10px 12px; font-size: 13px; }

.indicator-row-params { display: grid; gap: 8px; }
.indicator-params-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}
.indicator-param-field { display: grid; gap: 4px; color: var(--br-muted); font-size: 12px; font-weight: 600; }
.indicator-param-field input {
  width: 100%;
  height: 36px;
  border: 1px solid var(--br-line);
  border-radius: 10px;
  background: var(--br-canvas);
  color: var(--br-ink);
  padding: 0 11px;
  font-size: 14px;
}
.indicator-param-field input:focus {
  outline: none;
  border-color: var(--br-blue-focus);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}
.indicator-param-name { display: inline-flex; align-items: center; gap: 6px; }
.indicator-param-required { color: var(--br-danger); font-size: 11px; font-weight: 700; }
.indicator-output-field { display: grid; gap: 6px; }

.backtest-rule-condition-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 90px minmax(180px, 1fr) auto;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--br-pearl);
  border: 1px solid var(--br-divider);
  align-items: center;
}
.backtest-rule-condition-row input,
.backtest-rule-condition-row select {
  height: 36px;
  border: 1px solid var(--br-line);
  border-radius: 10px;
  background: var(--br-canvas);
  color: var(--br-ink);
  padding: 0 10px;
  font-size: 14px;
}
.backtest-rule-condition-row input:focus,
.backtest-rule-condition-row select:focus {
  outline: none;
  border-color: var(--br-blue-focus);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}
.backtest-rule-condition-row input[readonly],
.backtest-rule-condition-row select:disabled {
  background: #f5f5f7;
  color: var(--br-muted);
}

.backtest-rule-cta-bar {
  position: sticky;
  bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding: 14px 22px;
  border-radius: 16px;
  background: rgba(245, 245, 247, 0.86);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--br-divider);
}
.backtest-rule-status {
  flex: 1 1 auto;
  color: var(--br-muted);
  font-size: 14px;
  min-height: 20px;
}
.backtest-rule-status.success { color: var(--br-success); }
.backtest-rule-status.error { color: var(--br-danger); }
.backtest-rule-cta {
  height: 44px;
  min-width: 180px;
  padding: 0 24px;
  border-radius: 9999px;
  background: var(--br-blue);
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.011em;
  border: 0;
  transition: transform 120ms ease, background 120ms ease;
}
.backtest-rule-cta:hover { background: var(--br-blue-focus); }
.backtest-rule-cta:active { transform: scale(0.96); }
.backtest-rule-cta:disabled { background: rgba(0, 102, 204, 0.4); cursor: not-allowed; transform: none; }

.backtest-rule-view .backtest-rule-result { display: grid; gap: 16px; }
.backtest-rule-report-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 6px 4px 0;
}
.backtest-rule-report-head h2 {
  margin: 3px 0 0;
  font-family: "SF Pro Display", "PingFang SC", -apple-system, sans-serif;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.022em;
  color: var(--br-ink);
}
.backtest-rule-view .metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.backtest-rule-view .metric-card {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  border-radius: 18px;
  background: var(--br-canvas);
  border: 1px solid var(--br-line);
}
.backtest-rule-view .metric-card span { color: var(--br-muted); font-size: 13px; }
.backtest-rule-view .metric-card strong {
  font-family: "SF Pro Display", -apple-system, sans-serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.011em;
}
.backtest-rule-view .metric-card small { color: var(--br-muted); font-size: 13px; }
.backtest-rule-report-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 0.85fr);
  gap: 14px;
}
.backtest-rule-report-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 20px 22px;
  border: 1px solid var(--br-line);
  border-radius: 18px;
  background: var(--br-canvas);
}
.backtest-rule-report-title {
  color: var(--br-ink);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.011em;
}
.backtest-rule-chart {
  width: 100%;
  min-height: 320px;
}
.backtest-rule-empty-chart,
.backtest-rule-empty-stat {
  display: grid;
  min-height: 220px;
  place-items: center;
  border-radius: 14px;
  background: var(--br-pearl);
  color: var(--br-muted);
  font-size: 14px;
}
.backtest-rule-report-stats {
  display: grid;
  gap: 8px;
  align-content: start;
}
.backtest-rule-report-stats > div:not(.backtest-rule-empty-stat) {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--br-divider);
}
.backtest-rule-report-stats > div:last-child { border-bottom: 0; }
.backtest-rule-report-stats span {
  color: var(--br-muted);
  font-size: 13px;
}
.backtest-rule-report-stats strong {
  color: var(--br-ink);
  font-size: 14px;
  font-weight: 600;
  text-align: right;
}
.backtest-rule-schema-drawer {
  border: 1px solid var(--br-line);
  border-radius: 18px;
  background: var(--br-canvas);
  overflow: hidden;
}
.backtest-rule-schema-drawer summary {
  cursor: pointer;
  padding: 14px 18px;
  color: var(--br-blue);
  font-size: 14px;
  font-weight: 600;
  user-select: none;
}
.backtest-rule-output {
  margin: 0;
  padding: 0 18px 18px;
  border-top: 1px solid var(--br-divider);
  background: var(--br-canvas);
  color: var(--br-ink);
  font-family: "SF Mono", Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
  max-width: 100%;
  overflow-x: auto;
}

@media (max-width: 1080px) {
  .backtest-rule-view .backtest-rule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .indicator-row-line { grid-template-columns: 1fr 1fr; }
  .backtest-rule-condition-row { grid-template-columns: 1fr 1fr; }
  .backtest-rule-report-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .backtest-rule-view { padding: 0 14px 32px; }
  .backtest-rule-title { font-size: 32px; }
  .backtest-rule-report-head h2 { font-size: 28px; }
  .backtest-rule-view .backtest-rule-grid { grid-template-columns: 1fr; }
  .indicator-row-line { grid-template-columns: 1fr; }
  .backtest-rule-condition-row { grid-template-columns: 1fr; }
  .backtest-rule-view .metric-grid { grid-template-columns: 1fr; }
  .backtest-rule-chart { min-height: 260px; }
  .backtest-rule-cta-bar { flex-wrap: wrap; }
  .backtest-rule-cta { width: 100%; }
}