/* App shell, 2026-10-28: one navigation rail — market first, then every destination. Loaded on every signed-in page.
   Colours come from theme.css tokens so light and dark themes share one rule set. */
:root { --side-w: 236px; --sticky-top: 0px; }
html, body { background: var(--bg); color: var(--text); }
.app { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: 100vh; }
.app-main.shell { width: 100%; max-width: 1360px; margin: 0 auto; padding: 24px 32px 64px; min-width: 0; }

.side { position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; padding: 18px 14px 16px; background: var(--surface); color: var(--text-2); border-right: 1px solid var(--line); scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; z-index: 25; }
.side a { color: inherit; text-decoration: none; }
.side-head { display: grid; gap: 14px; }
.side-brand { display: flex; align-items: center; gap: 10px; min-height: 40px; padding: 0 4px; color: var(--text) !important; }
.side .brand-mark i { border-color: var(--line-strong); }
.side .brand-mark b { background: var(--accent); }
.side-brand-text strong { display: block; font-size: 15px; letter-spacing: -.01em; }
.side-brand-text small { display: block; margin-top: 3px; font: 9px/1 Bahnschrift, "Arial Narrow", sans-serif; letter-spacing: .18em; color: var(--text-3); }
.side-markets { display: grid; grid-template-columns: 1fr 1fr .8fr; gap: 3px; padding: 3px; border-radius: 10px; background: var(--inset); }
.side-markets a { display: grid; justify-items: center; align-content: center; gap: 1px; min-height: 46px; border-radius: 8px; color: var(--text-3); }
.side-markets b { font: 700 12px/1 Bahnschrift, "Microsoft YaHei UI", sans-serif; letter-spacing: .06em; }
.side-markets span { font-size: 11px; }
.side-markets a.is-minor b { font-size: 10px; letter-spacing: .02em; }
.side-markets a[aria-current="page"] { background: var(--surface); color: var(--text); box-shadow: 0 0 0 1px var(--line), var(--card-shadow); }
.side-markets a[aria-current="page"] b { color: var(--accent-text); }
.side-tools { display: none; }
.side-pulse { display: flex; gap: 6px; margin: 0; }
.side-pulse span { flex: 1; display: grid; gap: 2px; padding: 8px 10px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--line); font-size: 11px; color: var(--text-3); }
.side-pulse b { font: 600 20px/1 Bahnschrift, "Microsoft YaHei UI", sans-serif; color: var(--text); font-variant-numeric: tabular-nums; }
.side-pulse .is-alert { background: var(--danger-soft); border-color: transparent; color: var(--danger-text); }
.side-pulse .is-alert b { color: var(--danger-text); }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-label { margin: 8px 10px 4px; font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--text-3); }
.side-nav a { position: relative; display: flex; align-items: center; gap: 10px; min-height: 42px; padding: 0 10px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--text-2); }
.side-nav a span { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-icon { flex: none; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; opacity: .75; }
.side-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-text); }
.side-nav a[aria-current="page"]::before { content: ""; position: absolute; left: -14px; top: 9px; bottom: 9px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); }
.side-nav a[aria-current="page"] .side-icon { opacity: 1; }
.side-count { flex: none; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--inset); color: var(--text); font: 700 11px/20px Bahnschrift, sans-serif; font-style: normal; text-align: center; }
.side-count.is-alert { background: var(--danger); color: var(--on-danger); }
.side-sep { display: block; height: 1px; margin: 8px 6px 2px; background: var(--line); }
.side-foot { margin-top: auto; display: grid; gap: 10px; padding: 12px 6px 0; border-top: 1px solid var(--line); }
.side-foot .mode-badge { font-size: 12px; }
.side .mode-live { color: var(--accent-text); }
.side .mode-shadow { color: var(--warn-text); }
.side-logout { margin: 0; }
.side-logout button, .theme-toggle { width: 100%; min-height: 40px; border: 1px solid var(--line-strong); border-radius: 8px; background: transparent; color: var(--text-2); font: 600 13px/1 "Microsoft YaHei UI", "PingFang SC", sans-serif; cursor: pointer; }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.theme-toggle svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.theme-toggle .to-light, :root[data-theme="dark"] .theme-toggle .to-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .to-light { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-toggle .to-dark { display: none; }
  :root:not([data-theme]) .theme-toggle .to-light { display: inline; }
}
.side a:focus-visible, .side button:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
@media (hover: hover) {
  .side-nav a:not([aria-current]):hover, .side-markets a:not([aria-current]):hover { background: var(--hover); color: var(--text); }
  .side-logout button:hover, .theme-toggle:hover { color: var(--text); border-color: var(--text-3); }
}

/* ≤1023px: the rail becomes a sticky top bar — brand, markets, theme, logout — over one row holding every menu item. */
@media (max-width: 1023px) {
  :root { --sticky-top: 108px; }
  .app { display: block; }
  .app-main.shell { padding: 14px 20px 48px; }
  .side { height: auto; overflow: visible; gap: 0; padding: 0; top: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .side-head { grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 8px 14px; min-height: 60px; }
  .side-markets { max-width: 300px; justify-self: end; width: 100%; }
  .side-markets a { min-height: 44px; }
  .side-tools { display: flex; gap: 6px; }
  .side-tools .theme-toggle, .side-tools .side-logout button { width: auto; min-width: 44px; min-height: 44px; padding: 0 10px; }
  .side-tools .theme-toggle span { display: none; }
  .side-pulse, .side-label, .side-foot { display: none; }
  .side-nav { flex-direction: row; gap: 2px; overflow-x: auto; padding: 0 10px 6px; scrollbar-width: none; -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent); mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent); }
  .side-nav a:last-child { margin-right: 24px; }
  .side-nav::-webkit-scrollbar { display: none; }
  .side-nav a { flex: none; min-height: 40px; padding: 0 12px; font-size: 13px; gap: 6px; }
  .side-nav a span { overflow: visible; }
  .side-nav a[aria-current="page"]::before { display: none; }
  .side-sep { flex: none; width: 1px; height: 22px; margin: 9px 6px; }
}
@media (max-width: 680px) {
  :root { --sticky-top: 104px; }
  .app-main.shell { padding: 12px 14px 44px; }
  .side-head { padding: 8px 10px; gap: 6px; min-height: 58px; }
  .side-brand-text { display: none; }
  .side-markets b { display: none; }
  .side-markets span { font-size: 13px; font-weight: 700; }
  .side-icon { display: none; }
  .side-nav a { padding: 0 11px; }
}
@media (max-width: 380px) { .side-brand { display: none; } .side-head { grid-template-columns: minmax(0, 1fr) auto; } .side-markets { max-width: none; } .side-tools .side-logout button { padding: 0 8px; } }
@media (forced-colors: active) { .side-nav a[aria-current="page"] { outline: 2px solid Highlight; } }