/* Demo page: site chrome comes from landing.css (body.landing-page).
   The .app block mirrors the product UI (/simulator/graph) design tokens. */

.demo-page .site-header { position: sticky; top: 0; z-index: 20; }
.demo-lang { display: inline-flex; align-items: center; gap: 4px; margin: 0; font-size: 12px; color: #888; }
.demo-lang .on { font-weight: 600; color: var(--ink); }
.demo-lang button { font: inherit; color: #888; background: none; border: 0; cursor: pointer; padding: 0; }

.demo-main { max-width: 1280px; margin: 0 auto; padding: 0 24px 56px; }
.demo-hero { padding: 36px 0 22px; }
.demo-welcome {
  margin: 20px 0 0; padding: 12px 16px; border: 1px solid var(--border);
  border-left: 3px solid #00d4ff; border-radius: var(--radius); font-size: 14px;
}
.demo-welcome a { color: var(--accent); }

/* ---------------------------------------------------------------- app */
.app {
  --a-bg: #000000;
  --a-surface: #0d1117;
  --a-elevated: #161b22;
  --a-border: rgba(255, 255, 255, 0.08);
  --a-border-strong: #30363d;
  --a-text: #e6edf3;
  --a-text-2: #8b949e;
  --a-text-3: #6e7681;
  --a-primary: #00d4ff;
  --a-primary-2: #38bec9;
  --a-up: rgba(0, 255, 255, 0.95);
  --a-down: rgba(255, 64, 129, 0.95);
  --a-win: #3fb950;
  --a-loss: #ff6b6b;
  --a-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  background: var(--a-bg);
  color: var(--a-text);
  font-family: "Inter", "Noto Sans JP", system-ui, -apple-system, sans-serif;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}
.app *, .app *::before { box-sizing: border-box; }
.app .pos { color: var(--a-win); }
.app .neg { color: var(--a-loss); }

.app-top { display: grid; grid-template-columns: minmax(0, 1fr) 240px; border-bottom: 1px solid var(--a-border); }
.app-chart-area { padding: 12px 14px 8px; min-width: 0; }
.app-chart-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.app-pill {
  font-size: 11px; color: var(--a-primary-2); border: 1px solid rgba(56, 190, 201, 0.5);
  border-radius: 4px; padding: 1px 8px;
}
.app-legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 11px; color: var(--a-text-2); }
.app-legend span::before {
  content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px;
  vertical-align: -1px; background: var(--c);
}
.app-chart { position: relative; height: 330px; }
.app-chart--sm { height: 170px; }

.app-sidebar { border-left: 1px solid var(--a-border); padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.app-sidebar-title { font-size: 11px; color: var(--a-text-3); text-transform: uppercase; letter-spacing: 0.06em; }
#scenario { display: grid; gap: 8px; }
.app-card {
  text-align: left; width: 100%; cursor: pointer; font: inherit; color: var(--a-text);
  background: var(--a-surface); border: 1px solid var(--a-border-strong); border-radius: 8px; padding: 8px 10px;
}
.app-card:hover { border-color: rgba(0, 212, 255, 0.45); }
.app-card[aria-pressed="true"] { border-color: var(--a-primary); box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.35), 0 0 14px rgba(0, 212, 255, 0.15); }
.app-card-row { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.app-card-name { font-weight: 700; font-size: 13px; }
.app-badge { font-size: 10px; color: #c084fc; background: #3b0764; border: 1px solid rgba(192, 132, 252, 0.4); border-radius: 4px; padding: 0 6px; }
.app-card-sub { font-size: 11px; color: var(--a-text-3); margin-top: 2px; }
.app-card-meta { display: flex; gap: 10px; font-size: 11px; color: var(--a-text-2); margin-top: 4px; }
.app-card-meta b { color: var(--a-text); font-family: var(--a-mono); font-weight: 500; }
.app-link { background: none; border: 0; padding: 4px 0; color: var(--a-primary); cursor: pointer; font: inherit; font-size: 12px; text-align: left; }

.app-panel { border-bottom: 1px solid var(--a-border); background: var(--a-surface); }
.app-panel-head {
  display: flex; align-items: center; gap: 16px; padding: 10px 14px; font-weight: 600; font-size: 13px;
  border-bottom: 1px solid var(--a-border); background: #0b0f14;
}
.app-panel-head--tabs { flex-wrap: wrap; }
.app-status { font-weight: 400; font-size: 11.5px; color: var(--a-text-3); flex: 1; min-width: 160px; }
.app-tabs { display: inline-flex; background: var(--a-bg); border: 1px solid var(--a-border); border-radius: 8px; padding: 2px; }
.app-tabs button {
  font: inherit; font-size: 12px; color: var(--a-text-2); background: none; border: 0; border-radius: 6px;
  padding: 4px 12px; cursor: pointer;
}
.app-tabs button[aria-selected="true"] { background: var(--a-elevated); color: var(--a-primary); }

.app-setup { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding: 14px; }
.app-section { color: var(--a-primary); font-weight: 600; font-size: 13px; padding-bottom: 6px; margin-bottom: 10px; border-bottom: 1px solid var(--a-border); }
.app-label { display: block; font-size: 12px; color: var(--a-text-2); margin-bottom: 4px; }
.app-input {
  width: 100%; background: var(--a-bg); color: var(--a-text); border: 1px solid var(--a-border-strong);
  border-radius: 6px; padding: 6px 8px; font: inherit; font-size: 13px;
}
.app-hint { font-size: 11.5px; color: var(--a-text-3); margin: 6px 0; line-height: 1.6; }
.app-params { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 4px 16px; }
.app .bn-range { margin-top: 6px; }
.app .bn-range-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--a-text-2); }
.app .bn-range-head output { font-family: var(--a-mono); color: var(--a-text); }
.app .bn-range input { width: 100%; accent-color: var(--a-primary); }
.app-check { display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--a-text-2); margin-top: 10px; }
.app-check input { accent-color: var(--a-primary); }

.app-result { display: grid; grid-template-columns: minmax(0, 1fr) 230px; }
.app-result-main { padding: 10px 14px 14px; min-width: 0; }
.app-chart-title { font-size: 11px; color: var(--a-text-2); margin: 6px 0 2px; }
.app-stats { border-left: 1px solid var(--a-border); padding: 12px; display: grid; align-content: start; gap: 10px; }
.app-stat-group { background: var(--a-bg); border: 1px solid var(--a-border); border-radius: 8px; padding: 8px 10px; }
.app-stat { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; padding: 3px 0; }
.app-stat span:first-child { color: var(--a-text-2); }
.app-stat span:last-child { font-family: var(--a-mono); }

.app-findings { display: grid; gap: 8px; }
.app-finding {
  text-align: left; width: 100%; padding: 10px 12px; border-radius: 8px; cursor: pointer; font: inherit;
  color: var(--a-text); background: var(--a-bg); border: 1px solid var(--a-border); border-left: 3px solid var(--a-text-3);
}
.app-finding[data-level="key"] { border-left-color: var(--a-primary); }
.app-finding[data-level="warn"] { border-left-color: #d29922; }
.app-finding[aria-pressed="true"] { background: rgba(0, 212, 255, 0.08); }
.app-finding strong { display: block; font-size: 13px; }
.app-finding span { display: block; font-size: 12px; color: var(--a-text-2); margin-top: 2px; }

.app-trades-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.app-table-wrap { overflow: auto; max-height: 360px; border: 1px solid var(--a-border); border-radius: 8px; }
.app-table { border-collapse: collapse; width: 100%; font-size: 12px; }
.app-table th, .app-table td { padding: 6px 10px; border-bottom: 1px solid var(--a-border); text-align: right; white-space: nowrap; }
.app-table th { position: sticky; top: 0; background: var(--a-elevated); color: var(--a-text-2); font-weight: 500; }
.app-table td { font-family: var(--a-mono); }
.app-table td.jp { font-family: inherit; }
.app-table td:nth-child(-n+3), .app-table th:nth-child(-n+3) { text-align: left; }
.app-table tbody tr { cursor: pointer; }
.app-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
.app-table tbody tr.selected { background: rgba(0, 212, 255, 0.1); }

.app-footer { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; padding: 12px 14px; background: var(--a-bg); }
.app-code { flex: 1; min-width: 260px; }
.app-code summary { cursor: pointer; color: var(--a-primary); font-size: 12px; padding: 6px 0; }
.app-code pre { background: var(--a-surface); border: 1px solid var(--a-border); color: var(--a-text); padding: 12px 14px; border-radius: 8px; overflow-x: auto; font: 12px/1.6 var(--a-mono); }
.app-pills { display: flex; gap: 8px; }
.app-pill-btn {
  display: inline-flex; align-items: center; padding: 8px 18px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.25); color: var(--a-text); text-decoration: none; white-space: nowrap;
}
.app-pill-btn--primary { border-color: var(--a-primary); color: var(--a-primary); box-shadow: 0 0 14px rgba(0, 212, 255, 0.18); }
.app-pill-btn:hover { background: rgba(0, 212, 255, 0.08); }

/* ---------------------------------------------------------------- after app */
.demo-next { padding: 36px 0 0; }
.demo-next h2 { font-size: 1.25rem; margin: 0 0 14px; }
.demo-next code { font-family: var(--font-mono); font-size: 0.9em; }
.demo-disclaimer { font-size: 12px; color: var(--ink-subtle); line-height: 1.8; margin: 8px 0 0; }

@media (max-width: 960px) {
  .app-top, .app-result { grid-template-columns: 1fr; }
  .app-sidebar { border-left: 0; border-top: 1px solid var(--a-border); }
  #scenario { grid-template-columns: 1fr 1fr; }
  .app-stats { border-left: 0; border-top: 1px solid var(--a-border); grid-template-columns: 1fr 1fr; }
  .app-setup { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 600px) {
  .demo-main { padding: 0 12px 40px; }
  .hide-sp { display: none !important; }
  .app-chart { height: 260px; }
  .app-stats { grid-template-columns: 1fr; }
  .app-tabs { width: 100%; }
  .app-tabs button { flex: 1; padding: 4px 6px; }
}

/* analysis tabs (scatter / exit analysis) */
.app-plot-row { display: grid; grid-template-columns: 22px minmax(0, 1fr) 200px; gap: 10px; align-items: stretch; margin-bottom: 10px; }
.app-plot-label { writing-mode: vertical-rl; transform: rotate(180deg); font-size: 11px; font-weight: 600; color: var(--a-text); text-align: center; }
.app-chart--plot { height: 190px; }
.app-chart--donut { height: 170px; }
.app-exit { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 18px; }
.app-matrix { width: 100%; border-collapse: separate; border-spacing: 3px; font-size: 11px; }
.app-matrix th { color: var(--a-text-2); font-weight: 500; padding: 4px; }
.app-matrix td { text-align: center; padding: 10px 4px; border-radius: 6px; font-family: var(--a-mono); }
.app-matrix td b { display: block; font-size: 16px; color: var(--a-text); }
.app-matrix td small { display: block; color: var(--a-text-2); }
.app-kv { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 14px; margin-top: 8px; }
.app-kv .app-stat { padding: 2px 0; }
@media (max-width: 960px) {
  .app-exit { grid-template-columns: 1fr; }
  .app-plot-row { grid-template-columns: 1fr; }
  .app-plot-label { writing-mode: horizontal-tb; transform: none; text-align: left; }
}
.app-stat span:last-child { white-space: nowrap; }
.app-kv { grid-template-columns: 1fr; }
.app-plot-row { grid-template-columns: 22px minmax(0, 1fr) 230px; }
@media (min-width: 961px) { .app-chart:not(.app-chart--sm):not(.app-chart--plot):not(.app-chart--donut) { height: 410px; } }
.app-tabs { max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.app-tabs button { white-space: nowrap; flex: none; }
.demo-page .site-footer { flex-wrap: wrap; gap: 12px; }
.demo-page .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
@media (max-width: 600px) { .app-tabs button { flex: none; padding: 4px 10px; } .app-status { flex-basis: 100%; } }

/* Phone: demo only, then hand off to a PC */
.only-phone { display: none !important; }
.is-phone .only-phone { display: inline-flex !important; }
.is-phone p.only-phone { display: block !important; }
.is-phone .not-phone { display: none !important; }
.bn-pc-share { font-family: inherit; cursor: pointer; }
.lp-cta-btn.bn-pc-share { border: 0; }
.app-pill-btn.bn-pc-share { background: transparent; }
.demo-pc-note { margin: 0 0 16px; color: var(--muted, #475569); line-height: 1.7; }