/* Layout: sticky control bar (group + week) → "now / next" strip → Mon–Fri time grid (wide) or day agenda (narrow). */
:root {
  --bg: #F3F5F8;
  --surface: #FFFFFF;
  --ink: #141C2A;
  --muted: #5A6476;
  --line: #DCE1E9;
  --accent: #9A1B30;        /* PK maroon: today, now */
  --accent-soft: #F6E3E6;
  --even: #2F5D8C;          /* even-week marker */
  --even-soft: #E2EBF5;
  --grid: #E9ECF1;
  --font-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --tint: 26%;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F131A; --surface: #171C25; --ink: #E6EAF1; --muted: #98A1B2; --line: #2A313D;
    --accent: #EC6479; --accent-soft: #3A1D24; --even: #7FA9D6; --even-soft: #1C2A3A; --grid: #1E2430;
    --tint: 21%; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F131A; --surface: #171C25; --ink: #E6EAF1; --muted: #98A1B2; --line: #2A313D;
  --accent: #EC6479; --accent-soft: #3A1D24; --even: #7FA9D6; --even-soft: #1C2A3A; --grid: #1E2430;
  --tint: 21%; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
[hidden] { display: none !important; }
body { background: var(--bg); color: var(--ink); font: 15px/1.45 var(--font-body); }
.wrap { max-width: 1240px; margin: 0 auto; padding-inline: 16px; padding-block: 0 48px; }
button { font: inherit; color: inherit; cursor: pointer; }
button:focus-visible, .card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* top bar */
.bar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--bg);
  border-bottom: 1px solid var(--line); margin-inline: -16px; padding: 14px 16px 12px; }
.bar-in { max-width: 1240px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.brand h1 { margin: 0; font: 800 26px/1 var(--font-display); font-stretch: 112%; letter-spacing: -0.01em; }
.brand h1 #grpTitle { color: var(--accent); }
.brand p { margin: 0; color: var(--muted); font-size: 13px; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 3px; gap: 3px; }
.seg button { border: 0; background: transparent; border-radius: 6px; padding: 6px 14px; font: 700 14px/1 var(--font-display); font-stretch: 112%; color: var(--muted); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

.weeknav { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 3px; }
.weeknav .arrow { border: 0; background: transparent; width: 32px; height: 30px; border-radius: 6px; font-size: 18px; line-height: 1; }
.weeknav .arrow:hover:not(:disabled) { background: var(--grid); }
.weeknav .arrow:disabled { opacity: .3; cursor: default; }
.weeklabel { display: flex; align-items: center; gap: 8px; padding-inline: 6px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.weeklabel b { font: 700 14px/1 var(--font-display); font-stretch: 112%; }
.weeklabel small { color: var(--muted); font-size: 13px; }
.parity { font: 600 11px/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase; padding: 4px 7px; border-radius: 4px; }
.parity.odd { background: var(--accent-soft); color: var(--accent); }
.parity.even { background: var(--even-soft); color: var(--even); }
.todaybtn { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 7px 14px; font-weight: 600; font-size: 14px; }
.todaybtn:hover { border-color: var(--accent); color: var(--accent); }

/* now / next strip */
.status { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-block: 18px; }
.status > div { background: var(--surface); padding: 12px 16px; min-width: 0; }
.status .lbl { display: block; font-size: 11px; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 3px; }
.status .lbl.live { color: var(--accent); }
.status .lbl.live::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-right: 6px; vertical-align: 1px; }
.status .val { font-weight: 600; }
.status .sub { color: var(--muted); font-size: 13px; font-family: var(--font-mono); }

/* ---------- desktop time grid ---------- */
.grid-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.grid { --px: 1.25px; display: grid; grid-template-columns: 58px repeat(5, minmax(150px, 1fr)); min-width: 820px; }
.dhead { position: sticky; top: 0; padding: 10px 10px 9px; border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); background: var(--surface); }
.dhead .dn { font: 700 15px/1.1 var(--font-display); font-stretch: 112%; }
.dhead .dd { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.dhead.is-focus { background: var(--accent-soft); }
.dhead.is-focus .dn { color: var(--accent); }
.badge { display: inline-block; margin-left: 6px; font: 600 10px/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--surface); background: var(--accent); padding: 3px 5px; border-radius: 3px; vertical-align: 2px; }
.corner { border-bottom: 1px solid var(--line); }
.axis, .col { position: relative; }
.col { border-left: 1px solid var(--line); background-image: repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px calc(var(--px) * 60)); }
.col.is-focus { background-color: color-mix(in oklab, var(--accent-soft) 45%, transparent); }
.axis span { position: absolute; right: 8px; transform: translateY(-50%); font: 12px var(--font-mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.col .empty { position: absolute; inset: 16px 8px auto; text-align: center; color: var(--muted); font-size: 13px; }

.card { position: absolute; left: 5px; right: 5px; border-radius: 6px; padding: 5px 8px; overflow: hidden; text-align: left;
  border: 1px solid color-mix(in oklab, var(--c) 70%, var(--ink) 10%);
  background: color-mix(in oklab, var(--c) var(--tint), var(--surface)); display: flex; flex-direction: column; gap: 1px; }
.card:hover { border-color: var(--ink); }
.card.is-past { opacity: .55; }
.card .t { font: 500 11.5px/1.2 var(--font-mono); color: var(--muted); font-variant-numeric: tabular-nums; display: flex; justify-content: space-between; gap: 6px; }
.card .n { font-weight: 600; font-size: 13px; line-height: 1.25; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: var(--lines, 2); overflow: hidden; }
.card .m { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.type { font: 600 10px/1 var(--font-body); letter-spacing: .06em; text-transform: uppercase; padding: 3px 5px; border-radius: 3px;
  background: color-mix(in oklab, var(--c) 55%, var(--surface)); color: var(--ink); white-space: nowrap; }

.nowline { position: absolute; left: 0; right: 0; height: 0; border-top: 2px solid var(--accent); z-index: 2; pointer-events: none; }
.nowline::before { content: ""; position: absolute; left: -5px; top: -6px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }

/* ---------- narrow agenda ---------- */
.agenda { display: none; }
.day { margin-block: 0 22px; }
.day h2 { display: flex; align-items: baseline; gap: 8px; margin: 0 0 8px; font: 700 18px/1.2 var(--font-display); font-stretch: 112%; }
.day h2 small { font: 400 14px var(--font-body); color: var(--muted); }
.day.is-focus h2 { color: var(--accent); }
.day .none { color: var(--muted); padding: 12px 14px; border: 1px dashed var(--line); border-radius: 8px; font-size: 14px; }
.rows { display: flex; flex-direction: column; gap: 6px; }
.row { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 12px; padding: 10px 12px; border-radius: 8px;
  background: color-mix(in oklab, var(--c) var(--tint), var(--surface)); border: 1px solid color-mix(in oklab, var(--c) 60%, var(--line)); }
.row.is-now { box-shadow: 0 0 0 2px var(--accent); }
.row.is-past { opacity: .55; }
.row .time { font: 500 13px/1.3 var(--font-mono); font-variant-numeric: tabular-nums; }
.row .time span { display: block; color: var(--muted); }
.row .n { font-weight: 600; line-height: 1.3; }
.row .meta { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; margin-top: 4px; font-size: 13px; color: var(--muted); }
.row .room { font-family: var(--font-mono); color: var(--ink); }

@media (max-width: 899px) {
  .bar { position: static; }
  .grid-wrap { display: none; }
  .agenda { display: block; }
  .brand h1 { font-size: 22px; }
}

/* detail dialog */
dialog { border: 1px solid var(--line); border-radius: 12px; padding: 0; width: min(440px, calc(100vw - 32px)); background: var(--surface); color: var(--ink); }
dialog::backdrop { background: rgb(10 14 20 / .45); }
.dlg-head { padding: 16px 18px 12px; background: color-mix(in oklab, var(--c) var(--tint), var(--surface)); border-bottom: 1px solid var(--line); }
.dlg-head h3 { margin: 6px 0 0; font: 700 19px/1.25 var(--font-display); font-stretch: 112%; text-wrap: balance; }
.dlg dl { margin: 0; padding: 14px 18px 4px; display: grid; grid-template-columns: 92px minmax(0,1fr); gap: 8px 12px; font-size: 14px; }
.dlg dt { color: var(--muted); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; padding-top: 2px; }
.dlg dd { margin: 0; overflow-wrap: anywhere; }
.dlg .mono { font-family: var(--font-mono); }
.dlg-foot { display: flex; justify-content: flex-end; padding: 10px 18px 16px; }
.dlg-foot button { border: 1px solid var(--line); background: var(--bg); border-radius: 8px; padding: 7px 16px; font-weight: 600; }

.sync-body { padding: 14px 18px 4px; font-size: 14px; }
.sync-body p { margin: 0 0 10px; }
.steps { margin: 0 0 14px; padding-left: 20px; display: grid; gap: 6px; }
.steps a { color: var(--accent); }
kbd { font: 12px var(--font-mono); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; background: var(--bg); }
#syncFile { position: absolute; width: 1px; height: 1px; opacity: 0; }
.filebtn { display: inline-block; border: 1px solid var(--accent); color: var(--accent); border-radius: 8px; padding: 8px 16px; font-weight: 600; cursor: pointer; }
.filebtn:hover, #syncFile:focus-visible + .filebtn { background: var(--accent-soft); }
#syncFile:focus-visible + .filebtn { outline: 2px solid var(--accent); outline-offset: 2px; }
.changes { list-style: none; margin: 8px 0 0; padding: 0; max-height: 46vh; overflow: auto; display: grid; gap: 6px; }
.changes li { border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; font-size: 13px; }
.changes .k { font: 600 10px/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase; margin-right: 6px; }
.changes .add .k { color: #2E7D4F; } .changes .del .k { color: var(--accent); } .changes .mod .k { color: var(--even); }
.changes .w { font-family: var(--font-mono); color: var(--muted); }
.err { color: var(--accent); font-weight: 600; }
.linkbtn { border: 0; background: none; padding: 0; color: var(--accent); text-decoration: underline; font-size: inherit; }
footer { margin-top: 26px; color: var(--muted); font-size: 12.5px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
footer a { color: inherit; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

/* Safari < 16.2 has no color-mix(): give cards plain surfaces instead of transparent ones */
@supports not (background: color-mix(in oklab, red, blue)) {
  .card, .row, .dlg-head { background: var(--surface); border-color: var(--line); }
  .type { background: var(--grid); }
}

/* ---- web version additions ---- */
.status .val.loading { color: var(--muted); font-weight: 500; }
.noscript { margin: 18px 0; padding: 14px 16px; border: 1px solid var(--accent); border-radius: 10px; background: var(--accent-soft); }
.noscript b { color: var(--accent); }
.sync-status { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 12px; margin: 0 0 12px; font-size: 13px; }
.sync-status dt { color: var(--muted); }
.sync-status dd { margin: 0; font-family: var(--font-mono); overflow-wrap: anywhere; }
.sync-status .bad { color: var(--accent); }
.sync-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 4px 0 12px; }
.primary { border: 1px solid var(--ink); background: var(--ink); color: var(--bg); border-radius: 8px; padding: 8px 16px; font-weight: 600; }
.primary:disabled { opacity: .5; cursor: default; }
.keyrow { display: grid; gap: 4px; margin: 0 0 12px; font-size: 13px; }
.keyrow input { font: 14px var(--font-mono); padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); min-width: 0; }
.hint { color: var(--muted); font-size: 12.5px; margin: 0 0 10px; }