/* ===========================================================
   pwa.css — PWA Toast + 資料新鮮度 chip + Simulated tag
   =========================================================== */

/* ============ PWA TOAST ============ */
#pwa-toast {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  max-width: 480px;
  margin: 0 auto;
  z-index: 250;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  background: linear-gradient(180deg, var(--bg-1, #0f1419) 0%, var(--bg, #0a0e14) 100%);
  border: 1px solid var(--accent, #4a9d6d);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  animation: pwa-slide-up 0.3s ease-out;
}
@keyframes pwa-slide-up {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
#pwa-toast .pwa-t-h {
  font-family: var(--f-serif, serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg, #e8ebed);
  margin-bottom: 3px;
}
#pwa-toast .pwa-t-s {
  font-family: var(--f-mono, monospace);
  font-size: 10.5px;
  color: var(--fg-2, #7a8590);
  letter-spacing: 0.02em;
  line-height: 1.5;
}
#pwa-toast .pwa-t-r {
  display: flex; gap: 6px;
}

#pwa-update {
  position: fixed;
  top: 16px; right: 16px;
  z-index: 250;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--bg-1, #0f1419);
  border: 1px solid var(--accent, #4a9d6d);
  font-family: var(--f-mono, monospace);
  font-size: 11px;
  color: var(--fg, #e8ebed);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}

.pwa-btn {
  background: transparent;
  border: 1px solid var(--line-2, #283342);
  color: var(--fg-1, #b8bfc6);
  padding: 6px 14px;
  font-family: var(--f-mono, monospace);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all .15s;
}
.pwa-btn:hover {
  border-color: var(--accent, #4a9d6d);
  color: var(--accent, #4a9d6d);
}
.pwa-btn.install, .pwa-btn.reload {
  background: var(--accent, #4a9d6d);
  border-color: var(--accent, #4a9d6d);
  color: #0a0e14;
}
.pwa-btn.install:hover, .pwa-btn.reload:hover {
  background: transparent;
  color: var(--accent, #4a9d6d);
}

@media (max-width: 500px) {
  #pwa-toast { grid-template-columns: 1fr; }
  #pwa-toast .pwa-t-r { justify-content: flex-end; }
}

/* ============ FRESHNESS CHIP ============ */
[data-freshness] {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg, #0a0e14);
  border: 1px solid var(--line-2, #283342);
  font-family: var(--f-mono, monospace);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--fg-2, #7a8590);
  font-variant-numeric: tabular-nums;
}
[data-freshness] .freshness-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  line-height: 1;
}
[data-freshness] .freshness-dot.fresh { color: var(--up, #4a9d6d); }
[data-freshness] .freshness-dot.aging { color: var(--warn, #c49956); }
[data-freshness] .freshness-dot.stale { color: var(--down, #c25450); }
[data-freshness] .freshness-text {
  color: var(--fg-1, #b8bfc6);
}
[data-freshness] .freshness-ver {
  color: var(--fg-3, #4a5560);
  margin-left: 4px;
  padding-left: 6px;
  border-left: 1px dashed var(--line-2, #283342);
}

/* ============ SIMULATED DATA TAG ============ */
.sim-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  background: rgba(196,153,86,0.10);
  border: 1px dashed var(--warn, #c49956);
  color: var(--warn, #c49956);
  font-family: var(--f-mono, monospace);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-left: 6px;
  vertical-align: middle;
}
.sim-tag::before {
  content: "◔";
  font-size: 11px;
  line-height: 1;
}

/* ============ DATA SOURCE TAG ============ */
.data-source-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--bg-2, #151b23);
  border: 1px solid var(--line-2, #283342);
  color: var(--fg-2, #7a8590);
  font-family: var(--f-mono, monospace);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  margin-left: 6px;
}
.data-source-tag.live    { color: var(--up, #4a9d6d); border-color: var(--up, #4a9d6d); }
.data-source-tag.cached  { color: var(--info, #5d8dc4); border-color: var(--info, #5d8dc4); }
.data-source-tag.simulated { color: var(--warn, #c49956); border-color: var(--warn, #c49956); }
.data-source-tag.manual  { color: var(--fg-2, #7a8590); }