/* Time zone converter */
.tz-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr) minmax(0, 1.6fr) auto; gap: 12px; align-items: end; }
@media (max-width: 760px) {
  .tz-form { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .tz-form .tz-src-field { grid-column: 1 / -1; }
  .tz-form #tz-now { grid-column: 1 / -1; }
}
.tz-combo { position: relative; }
.tz-list-box {
  position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + 6px); margin: 0; padding: 6px; list-style: none; max-height: 300px; overflow-y: auto;
  border-radius: var(--r); border: 1px solid var(--glass-border); background: linear-gradient(var(--glass-strong), var(--glass-strong)), var(--bg); box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
}
.tz-list-box li { display: flex; flex-wrap: wrap; gap: 2px 8px; align-items: baseline; padding: 8px 10px; border-radius: 10px; cursor: pointer; font-size: 0.93rem; }
.tz-list-box li span { color: var(--muted); font-size: 0.85rem; }
.tz-list-box li.is-active, .tz-list-box li:hover { background: var(--accent-soft); }
.tz-list-box .tz-empty { color: var(--muted); cursor: default; }
.tz-rows { display: grid; gap: 8px; }
.tz-row { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px 12px; border-radius: var(--r); background: var(--glass-soft); border: 1px solid var(--line); }
.tz-row strong { display: block; }
.tz-row small { color: var(--muted); font-size: 0.82rem; }
.tz-when { text-align: right; }
.tz-when strong { font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.tz-day { color: var(--warn); font-weight: 700; }
.tz-remove { min-height: 34px; width: 34px; padding: 0; }
@media (max-width: 480px) {
  .tz-row { grid-template-columns: minmax(0, 1fr) auto; }
  .tz-when { grid-column: 1; grid-row: 2; text-align: left; }
  .tz-remove { grid-column: 2; grid-row: 1 / span 2; }
}
#tz-note[hidden] { display: none; }
.tz-grid-wrap { overflow-x: auto; border-radius: var(--r); border: 1px solid var(--line); }
table.tz-grid { border-collapse: separate; border-spacing: 2px; font-size: 0.78rem; min-width: 100%; }
.tz-grid th, .tz-grid td { padding: 6px 4px; text-align: center; white-space: nowrap; border-radius: 6px; font-variant-numeric: tabular-nums; }
.tz-grid td { cursor: pointer; min-width: 38px; }
.tz-grid .tz-zone-col { position: sticky; left: 0; z-index: 1; text-align: left; padding: 6px 10px; background: var(--glass-strong); font-weight: 700; max-width: 130px; overflow: hidden; text-overflow: ellipsis; }
.tz-grid thead th { color: var(--ok); font-size: 0.9rem; padding: 0; }
.tz-pick { width: 100%; min-width: 38px; height: 26px; border: 0; background: none; color: inherit; font: inherit; font-weight: 800; cursor: pointer; border-radius: 6px; }
.tz-pick:hover, .tz-pick:focus-visible { background: var(--accent-soft); outline: none; }
.tz-grid td.work { background: var(--ok-soft); color: var(--ok); font-weight: 700; }
.tz-grid td.edge { background: var(--warn-soft); color: var(--warn); }
.tz-grid td.night { background: var(--glass-soft); color: var(--muted); }
.tz-grid td.sel, .tz-grid th.sel { box-shadow: inset 0 0 0 2px var(--accent); }
.tz-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 0.82rem; color: var(--muted); }
.tz-legend span::before { content: ''; display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.tz-legend .l-work::before { background: var(--ok); }
.tz-legend .l-edge::before { background: var(--warn); }
.tz-legend .l-night::before { background: var(--line-strong); }
.tz-hours select { width: auto; min-height: 36px; padding-top: 6px; padding-bottom: 6px; }
.tz-grid thead th.tz-zone-col { color: var(--muted); font-size: 0.78rem; padding: 6px 10px; }