/* Shell — only overlay z-index owner */
.mob-tabbar{
  display:none;
}
@media(max-width:767px){
  .mob-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:var(--z-tab);
    height:calc(var(--tab-h) + var(--safe-b));
    padding:0 0 var(--safe-b); /* 6 cells × ~53px at 320px: no side gutter */
    background:color-mix(in srgb,var(--bg)94%,transparent);
    backdrop-filter:blur(14px);
    border-top:1px solid var(--border);
    justify-content:space-around;align-items:stretch;
  }
  .mob-tabbar.is-inert{pointer-events:none;opacity:.35}
  .mob-tab{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:2px;border:0;background:none;color:var(--muted);font-size:10px;font-weight:600;
    text-decoration:none;cursor:pointer;min-width:0;padding:6px 2px;
  }
  .mob-tab-ico{font-size:18px;line-height:1}
  .mob-tab.is-on{color:var(--link)}
}

.pfd-scrim{
  position:fixed;inset:0;z-index:var(--z-scrim);
  background:rgba(0,0,0,.5);
}
.pfd-scrim[hidden],.pfd-scrim[data-state="closed"]{display:none!important}
.pfd-scrim[data-state="open"]{display:block}

.pfd-sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:var(--z-sheet);
  max-height:min(88vh,760px);
  background:var(--bg);border-radius:16px 16px 0 0;
  border-top:1px solid var(--border);
  padding:14px 16px calc(18px + var(--safe-b));
  overflow:auto;-webkit-overflow-scrolling:touch;
  box-shadow:0 -16px 48px rgba(0,0,0,.4);
  display:none;flex-direction:column;
}
.pfd-sheet[data-state="open"]{display:flex}
.pfd-sheet[hidden],.pfd-sheet[data-state="closed"]{display:none!important}

.pfd-sheet-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.pfd-sheet-x{border:0;background:transparent;color:var(--muted);font-size:20px;min-width:44px;min-height:44px;cursor:pointer}
.pfd-sheet-desc{font-size:12px;color:var(--muted);margin:0 0 8px}
.pfd-sheet-note{font-size:11px;color:var(--faint);margin:12px 0 0}

.pfd-search-bar{display:flex;gap:8px;margin-bottom:10px}
.pfd-search-bar input{
  flex:1;min-width:0;font-size:16px;min-height:48px;padding:10px 14px;
  border:1px solid var(--border);border-radius:12px;background:var(--bg-alt);color:var(--text);
}
.pfd-search-bar button{
  min-height:48px;padding:0 14px;border:0;border-radius:12px;
  background:var(--link);color:var(--bg);font-weight:700;cursor:pointer;
}
.pfd-search-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.pfd-search-chips button{
  border:1px solid var(--border);background:transparent;color:var(--muted);
  border-radius:999px;padding:6px 10px;font-size:12px;font-weight:600;cursor:pointer;
}
.pfd-search-status{font-size:12px;color:var(--muted);margin-bottom:8px}
.pfd-search-hit{
  display:block;padding:12px;margin:0 0 8px;border-radius:12px;
  border:1px solid var(--border);background:var(--bg-alt);color:var(--text);text-decoration:none;
}
.pfd-search-hit:hover{border-color:var(--link);text-decoration:none}
.pfd-search-hit-t{font-weight:700;font-size:14px;line-height:1.4;margin-bottom:4px}
.pfd-search-hit-x{font-size:12px;color:var(--muted);line-height:1.4}

.pfd-firm-grid,.pfd-topic-grid{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pfd-firm-chip,.pfd-topic-chip{
  border:1px solid var(--border);background:var(--bg-alt);color:var(--text);
  border-radius:999px;padding:8px 12px;font-size:12px;font-weight:600;cursor:pointer;
}
.pfd-firm-chip.is-on,.pfd-topic-chip.is-on{border-color:var(--link);color:var(--link)}
.pfd-sheet-links{display:flex;flex-wrap:wrap;gap:8px}
.pfd-sheet-links a{
  font-size:12px;padding:6px 10px;border-radius:8px;border:1px solid var(--border);color:var(--muted);
}
.pfd-me-nav{display:flex;flex-direction:column;gap:4px}
.pfd-me-nav a{
  display:block;padding:14px 12px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg-alt);color:var(--text);font-weight:600;font-size:14px;
}
.pfd-me-nav a:hover{border-color:var(--link);text-decoration:none}

@media(min-width:768px){
  .pfd-sheet{
    left:50%;right:auto;transform:translateX(-50%);
    width:min(440px,92vw);bottom:10%;border-radius:16px;max-height:78vh;
  }
}

/* ---------- nav attention hint (交易日誌) : subtle pulse, stops once visited ---------- */
@keyframes pfdNavHint{
  0%{box-shadow:0 0 0 1px color-mix(in srgb,var(--link) 20%,transparent),0 0 8px 0 color-mix(in srgb,var(--link) 12%,transparent)}
  50%{box-shadow:0 0 0 2px color-mix(in srgb,var(--link) 52%,transparent),0 0 15px 2px color-mix(in srgb,var(--link) 36%,transparent)}
  100%{box-shadow:0 0 0 1px color-mix(in srgb,var(--link) 20%,transparent),0 0 8px 0 color-mix(in srgb,var(--link) 12%,transparent)}
}
.pfd-nav-hint{border-radius:8px;animation:pfdNavHint 2.4s ease-in-out infinite}
.pfd-nav-hint.is-on,.pfd-nav-hint.mob-tab.is-on{animation-duration:2.8s}
@media (prefers-reduced-motion:reduce){.pfd-nav-hint{animation:none;box-shadow:0 0 0 1px color-mix(in srgb,var(--link) 30%,transparent)}}