/* Layout: a single centred column of ruled sections, like a printed school
   timetable; the masthead is the only solid band. */
/* Colours are taken from the STEM Society crest: night purple, cloud white,
   teal, coral and peach. */
:root {
  --paper: #f5f4f9;
  --surface: #ffffff;
  --ink: #221839;
  --ink-soft: #524a66;
  --ink-faint: #837c95;
  --rule: #dcd8e6;
  --rule-strong: #b0a9c3;
  --accent: #2c1a4d;        /* crest purple */
  --accent-hover: #432a70;
  --accent-tint: #eeebf6;
  --cloud: #f3f6fa;
  --brass: #f2a65e;         /* crest peach */
  --teal: #1b8a83;
  --teal-tint: #e2f2f0;
  --coral: #ef5a57;
  --pending: #94540f;
  --pending-tint: #fdf2e4;
  --booked: #e7e5ed;
  --booked-ink: #6f6982;
  --danger: #b3302c;
  --danger-tint: #fdeceb;

  --serif: Georgia, "Times New Roman", Times, serif;
  --serif-display: "Times New Roman", Times, Georgia, serif;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.1875rem;
  --step-2: 1.5rem;
  --step-3: 2.125rem;

  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--step-0);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img, svg { max-width: 100%; }
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--serif-display); font-weight: normal; text-wrap: balance; margin: 0; }
h1 { font-size: var(--step-3); line-height: 1.15; }
h2 { font-size: var(--step-2); line-height: 1.2; }
h3 { font-size: var(--step-1); }
p { margin: 0; }
.num { font-variant-numeric: tabular-nums; }

.label {
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Masthead ---------------------------------------------------------------- */
.masthead { background: var(--accent); color: var(--cloud); border-bottom: 3px solid var(--brass); box-shadow: 0 3px 0 var(--coral), 0 6px 0 var(--teal); margin-bottom: 6px; }
.masthead-inner, .page, .colophon-inner {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.masthead-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px 32px; padding-block: 18px;
}
.wordmark { display: flex; align-items: center; gap: 14px; color: inherit; text-decoration: none; }
.wordmark:hover { color: inherit; }
.crest { width: 56px; height: 56px; flex: none; border-radius: 50%; display: block; }
.crest-kgs { width: auto; height: 60px; border-radius: 0; object-fit: contain; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.35)); }
.mainnav { order: 3; width: 100%; padding-top: 10px; border-top: 1px solid rgba(255,255,255,0.14); }
.mainnav:empty { display: none; }
.presenter { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.presenter { text-decoration: none; }
.presenter:hover .crest { box-shadow: 0 0 0 2px var(--brass); }
.presenter:hover .presenter-text { color: #fff; }
.presenter-text { font-size: 0.75rem; line-height: 1.35; text-align: right; color: #c9c2de; letter-spacing: 0.04em; }
.presenter-text strong { font-weight: normal; color: var(--brass); letter-spacing: 0.08em; text-transform: uppercase; }
@media (max-width: 520px) {
  .presenter-text { display: none; }
  .wordmark { gap: 10px; }
  .crest { width: 42px; height: 42px; }
  .crest-kgs { width: auto; height: 46px; }
  .wordmark-small { font-size: 0.625rem; letter-spacing: 0.12em; }
  .wordmark-large { font-size: 1.125rem; }
}
.wordmark-small { display: block; font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--brass); }
.wordmark-large { display: block; font-family: var(--serif-display); font-size: 1.375rem; line-height: 1.2; }
.mainnav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 22px; font-size: 0.9375rem; }
.mainnav a, .mainnav button {
  color: #e3dff0; text-decoration: none; background: none; border: 0; padding: 4px 0;
  font: inherit; cursor: pointer; border-bottom: 1px solid transparent;
}
.mainnav a:hover, .mainnav button:hover { color: #fff; border-bottom-color: var(--brass); }
.mainnav a[aria-current="page"] { color: #fff; border-bottom-color: var(--brass); }
.mainnav .who { color: #b6add0; font-style: italic; }
.badge {
  display: inline-block; min-width: 1.4em; padding: 0 6px; margin-left: 6px;
  background: var(--brass); color: var(--accent); border-radius: 9px;
  font-size: 0.75rem; line-height: 1.4rem; text-align: center; font-variant-numeric: tabular-nums;
}

/* Page -------------------------------------------------------------------- */
.page { flex: 1; padding-block: 36px 64px; display: grid; gap: 44px; align-content: start; outline: none; }
.loading { color: var(--ink-faint); font-style: italic; }
.page-head { display: grid; gap: 8px; border-bottom: 1px solid var(--rule-strong); padding-bottom: 20px; }
.page-head .lede { color: var(--ink-soft); max-width: 62ch; }
.crumbs { font-size: var(--step--1); color: var(--ink-faint); }
.crumbs a { color: var(--ink-soft); }

.section { display: grid; gap: 18px; }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; }
.section-head p { color: var(--ink-soft); font-size: 0.9375rem; }

/* Buttons and fields ------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-size: 0.9375rem; line-height: 1.2;
  padding: 9px 16px; border-radius: 2px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: #fff; text-decoration: none;
}
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary { background: var(--surface); color: var(--accent); }
.btn.secondary:hover { background: var(--accent-tint); }
.btn.danger { background: var(--surface); color: var(--danger); border-color: #c99a94; }
.btn.danger:hover { background: var(--danger-tint); }
.btn.small { padding: 5px 11px; font-size: 0.875rem; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); text-decoration: underline; cursor: pointer; }

.field { display: grid; gap: 6px; align-content: start; }
.field label { font-size: 0.9375rem; }
.field .hint { font-size: var(--step--1); color: var(--ink-faint); }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], select, textarea {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--rule-strong); border-radius: 2px; padding: 9px 11px; width: 100%;
}
textarea { min-height: 7rem; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-tint); border-color: var(--accent); }
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 4.5rem; }
.pw-toggle {
  position: absolute; top: 50%; right: 6px; transform: translateY(-50%);
  font: inherit; font-size: 0.8125rem; color: var(--accent); background: none;
  border: 0; padding: 4px 8px; cursor: pointer; text-decoration: underline; text-underline-offset: 2px;
}
.pw-toggle:hover { color: var(--ink); }
.error-text { color: var(--danger); font-size: 0.9375rem; }
.form-grid { display: grid; gap: 16px; }
.form-row { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* Sign in ----------------------------------------------------------------- */
.signin { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 56px; align-items: start; padding-top: 12px; }
.signin-intro { display: grid; gap: 18px; }
.signin-intro p { color: var(--ink-soft); max-width: 52ch; }
.signin-steps { margin: 0; padding-left: 1.25rem; display: grid; gap: 8px; color: var(--ink-soft); }
.signin-card { background: var(--surface); border: 1px solid var(--rule); border-top: 3px solid var(--accent); padding: 28px; display: grid; gap: 18px; }
@media (max-width: 760px) { .signin { grid-template-columns: 1fr; gap: 32px; } }

/* Venues ------------------------------------------------------------------ */
.venues { border-top: 1px solid var(--ink); }
.venue-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 24px; align-items: center;
  padding: 14px 4px; border-bottom: 1px solid var(--rule); text-decoration: none; color: inherit;
}
.venue-row:hover { background: var(--accent-tint); color: inherit; }
.venue-row .name { font-family: var(--serif-display); font-size: var(--step-1); }
.venue-row .meta { color: var(--ink-faint); font-size: 0.875rem; }
.venue-row .go { color: var(--accent); font-size: 0.9375rem; white-space: nowrap; }

/* Floor picker ------------------------------------------------------------ */
.floorpick { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--accent); border-radius: 2px; overflow: hidden; }
.floorpick button {
  font: inherit; font-size: 0.9375rem; padding: 8px 16px; cursor: pointer;
  background: var(--surface); color: var(--accent); border: 0; border-left: 1px solid var(--accent);
}
.floorpick button:first-child { border-left: 0; }
.floorpick button:hover { background: var(--accent-tint); }
.floorpick button[aria-pressed="true"] { background: var(--accent); color: var(--cloud); }
.floor-bar { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; padding: 14px 16px; background: var(--surface); border: 1px solid var(--rule); }
.floor-bar .label { margin-right: 4px; }

/* Classroom blocks -------------------------------------------------------- */
.blocks { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
@media (max-width: 980px) { .blocks { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .blocks { grid-template-columns: 1fr; } }
.block { display: grid; gap: 10px; align-content: start; }
.block-title { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--ink); padding-bottom: 6px; }
.block-title h3 { font-size: var(--step-1); }
.block-key { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.group-card {
  display: grid; gap: 6px; padding: 12px 14px; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule);
}
.group-card:hover { border-color: var(--accent); background: var(--accent-tint); color: var(--ink); }
.group-card .gname { font-family: var(--serif-display); font-size: 1.125rem; font-variant-numeric: tabular-nums; }
.group-card .gfloor { font-size: var(--step--1); color: var(--ink-faint); }
.group-card .chips { display: flex; flex-wrap: wrap; gap: 4px; }
.group-card .chips span { font-size: 0.75rem; padding: 1px 6px; border: 1px solid var(--rule); color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.blocks .none { color: var(--ink-faint); font-style: italic; font-size: 0.9375rem; padding: 8px 0; }

/* Map --------------------------------------------------------------------- */
.map-wrap { background: var(--surface); border: 1px solid var(--rule); padding: 16px; display: grid; gap: 14px; }
.map-top { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
.map-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: var(--step--1); color: var(--ink-soft); }
.map-legend span { display: inline-flex; align-items: center; gap: 6px; }
.map-legend i { width: 12px; height: 12px; display: inline-block; }
.map-scroll { overflow-x: auto; }
.map-svg { display: block; width: 100%; min-width: 680px; height: auto; font-family: var(--serif); }
.map-svg .outline { fill: #fbfafd; stroke: var(--accent); stroke-width: 2.5; }
.map-svg .area { fill: #f1eff6; stroke: #cfc9dc; stroke-width: 1; }
.map-svg .void { fill: url(#hatch); stroke: #d8d3e3; stroke-width: 1; }
.map-svg .area-label { fill: var(--ink-soft); font-size: 12px; }
.map-svg .big-label { fill: var(--ink-faint); font-size: 14px; font-style: italic; }
.map-svg .stair { fill: #bdb7cb; }
.map-svg .floor-title { fill: var(--accent); font-size: 15px; letter-spacing: 0.12em; text-transform: uppercase; }
.map-svg .note { fill: var(--ink-faint); font-size: 11px; font-style: italic; }
.map-svg .bookable { cursor: pointer; }
.map-svg .bookable rect { stroke: rgba(0,0,0,0.12); stroke-width: 1; transition: filter 120ms, stroke 120ms; }
.map-svg .bookable text { fill: #fff; font-size: 13px; pointer-events: none; font-variant-numeric: tabular-nums; }
.map-svg .bookable.venue text { fill: var(--accent); font-size: 12px; }
.map-svg .bookable.venue rect { fill: #fde7d0; stroke: var(--brass); stroke-width: 1.5; }
.map-svg .bookable:hover rect, .map-svg .bookable:focus rect { filter: brightness(1.15); stroke: var(--accent); stroke-width: 2.5; }
.map-svg .bookable.venue:hover rect, .map-svg .bookable.venue:focus rect { fill: #fbd5ae; filter: none; }
.map-svg .bookable:focus { outline: none; }
.map-svg .group-ring { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 4 3; opacity: 0; pointer-events: none; transition: opacity 120ms; }
.map-svg .bookable:hover .group-ring, .map-svg .bookable:focus .group-ring { opacity: 1; }
.blk-N { fill: #2c1a4d; background: #2c1a4d; }
.blk-S { fill: #1b8a83; background: #1b8a83; }
.blk-F { fill: #e0504d; background: #e0504d; }
.blk-P { fill: #d98a3d; background: #d98a3d; }
.blk-venue { background: #fde7d0; border: 1px solid var(--brass); }
.map-caption { font-size: var(--step--1); color: var(--ink-faint); font-style: italic; }
.map-hover { font-size: 0.9375rem; color: var(--ink-soft); min-height: 1.5em; }

/* Room page --------------------------------------------------------------- */
.room-meta { display: flex; flex-wrap: wrap; gap: 6px 20px; color: var(--ink-soft); }
.weeknav { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.weeknav .week-label { font-family: var(--serif-display); font-size: var(--step-1); min-width: 15rem; }
.table-scroll { overflow-x: auto; border: 1px solid var(--rule); background: var(--surface); }
table.grid { border-collapse: collapse; width: 100%; min-width: 680px; }
table.grid th, table.grid td { border-bottom: 1px solid var(--rule); border-right: 1px solid var(--rule); padding: 0; vertical-align: top; }
table.grid th:last-child, table.grid td:last-child { border-right: 0; }
table.grid tr:last-child td, table.grid tr:last-child th { border-bottom: 0; }
table.grid thead th { padding: 10px 12px; text-align: left; font-weight: normal; background: #f1eff7; }
table.grid thead th .day { display: block; font-family: var(--serif-display); font-size: 1.0625rem; }
table.grid thead th .date { display: block; font-size: var(--step--1); color: var(--ink-faint); }
table.grid thead th.today .day::after { content: " · today"; font-size: var(--step--1); color: var(--brass); font-style: italic; }
table.grid tbody th { padding: 12px; text-align: left; font-weight: normal; white-space: nowrap; width: 9.5rem; background: #f8f7fb; }
table.grid tbody th .slot-time { display: block; font-size: var(--step--1); color: var(--ink-faint); }

.cell {
  display: grid; gap: 2px; align-content: start; width: 100%; min-height: 4.6rem; padding: 10px 12px;
  border: 0; background: transparent; text-align: left; font: inherit; color: inherit;
}
button.cell { cursor: pointer; }
.cell .state { font-size: 0.9375rem; }
.cell .sub { font-size: var(--step--1); color: var(--ink-faint); }
.cell.free .state { color: var(--teal); }
button.cell.free:hover { background: var(--teal-tint); }
button.cell.free:hover .state { text-decoration: underline; }
.cell.pending { background: var(--pending-tint); }
.cell.pending .state { color: var(--pending); }
button.cell.pending:hover { background: #f6e8c9; }
.cell.mine { box-shadow: inset 0 0 0 2px var(--accent); }
.cell.booked { background: var(--booked) repeating-linear-gradient(135deg, transparent 0 7px, rgba(0,0,0,0.035) 7px 8px); color: var(--booked-ink); }
.cell.booked .state { color: var(--booked-ink); }
.cell.past { background: #f4f5f4; color: var(--ink-faint); }
.cell.past .state { color: var(--ink-faint); }

.legend { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 0.875rem; color: var(--ink-soft); }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.swatch { width: 16px; height: 16px; border: 1px solid var(--rule-strong); display: inline-block; }
.swatch.free { background: var(--surface); }
.swatch.pending { background: var(--pending-tint); border-color: #e2c98e; }
.swatch.booked { background: var(--booked); }
.swatch.mine { background: var(--surface); box-shadow: inset 0 0 0 2px var(--accent); border-color: var(--accent); }

/* Lists and tables -------------------------------------------------------- */
table.list { border-collapse: collapse; width: 100%; min-width: 640px; }
table.list th, table.list td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.list thead th { font-weight: normal; font-size: var(--step--1); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); border-bottom: 1px solid var(--ink); }
table.list td.reason { max-width: 30ch; }
.empty { padding: 28px 4px; color: var(--ink-faint); font-style: italic; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }

.status { display: inline-block; font-size: 0.8125rem; padding: 1px 8px; border: 1px solid; border-radius: 2px; white-space: nowrap; }
.status.pending { color: var(--pending); border-color: #e2c98e; background: var(--pending-tint); }
.status.approved { color: var(--teal); border-color: #9fd0cb; background: var(--teal-tint); }
.status.declined, .status.cancelled { color: var(--danger); border-color: #dcb5b0; background: var(--danger-tint); }
.status.withdrawn { color: var(--ink-faint); border-color: var(--rule); background: #f4f5f4; }

/* Admin ------------------------------------------------------------------- */
.subnav { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--rule-strong); }
.subnav a { padding: 10px 16px; text-decoration: none; color: var(--ink-soft); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.subnav a:hover { color: var(--accent); }
.subnav a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); }

.request-group { background: var(--surface); border: 1px solid var(--rule); }
.request-group + .request-group { margin-top: 14px; }
.request-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 18px; padding: 14px 18px; border-bottom: 1px solid var(--rule); background: #f3f1f8; }
.request-head .what { font-family: var(--serif-display); font-size: var(--step-1); }
.request-head .when { color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.request-head .competing { color: var(--pending); font-size: 0.875rem; font-style: italic; }
.bid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 24px; padding: 14px 18px; align-items: start; }
.bid + .bid { border-top: 1px dashed var(--rule); }
.bid .teacher { font-size: 1.0625rem; }
.bid .dept { color: var(--ink-faint); font-size: 0.875rem; }
.bid .reason { margin-top: 6px; max-width: 70ch; }
.bid .submitted { color: var(--ink-faint); font-size: var(--step--1); margin-top: 4px; }
@media (max-width: 620px) { .bid { grid-template-columns: 1fr; } }

.cal-controls { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.cal-controls .filters { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
.cal-controls select { width: auto; }
.cal-cell { padding: 8px 10px; display: grid; gap: 4px; min-height: 4.6rem; align-content: start; }
.entry {
  display: block; width: 100%; text-align: left; font: inherit; font-size: 0.875rem; line-height: 1.35;
  padding: 5px 8px; border: 1px solid; border-radius: 2px; cursor: pointer;
}
.entry.approved { background: var(--teal-tint); border-color: #9fd0cb; color: #12625d; }
.entry.pending { background: var(--pending-tint); border-color: #e2c98e; color: var(--pending); }
.entry .who { display: block; color: var(--ink-soft); font-size: 0.8125rem; }
.entry:hover { filter: brightness(0.97); }

.setting { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 32px; padding: 20px 0; border-bottom: 1px solid var(--rule); align-items: start; }
.setting:first-child { border-top: 1px solid var(--ink); }
.setting h3 { font-size: var(--step-1); }
.setting p { color: var(--ink-soft); font-size: 0.9375rem; max-width: 60ch; margin-top: 4px; }
.setting .control { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
@media (max-width: 620px) { .setting { grid-template-columns: 1fr; } }

.switch { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch .track { width: 44px; height: 24px; border-radius: 12px; background: var(--rule-strong); position: relative; transition: background 150ms; }
.switch .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform 150ms; }
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(20px); }
.switch input:focus-visible + .track { outline: 2px solid var(--brass); outline-offset: 2px; }

.mail { background: var(--surface); border: 1px solid var(--rule); }
.mail + .mail { margin-top: 12px; }
.mail-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 18px; padding: 10px 16px; border-bottom: 1px solid var(--rule); font-size: 0.875rem; color: var(--ink-soft); }
.mail pre { margin: 0; padding: 16px; white-space: pre-wrap; font-family: var(--serif); font-size: 0.9375rem; }
.notice { padding: 12px 16px; border: 1px solid #e2c98e; background: var(--pending-tint); color: #5c4207; font-size: 0.9375rem; }

/* Dialog and toast -------------------------------------------------------- */
.dialog { border: 0; padding: 0; width: min(34rem, calc(100vw - 32px)); background: var(--surface); color: var(--ink); box-shadow: 0 18px 50px rgba(30, 18, 60, 0.28); border-top: 3px solid var(--accent); }
.dialog::backdrop { background: rgba(30, 18, 60, 0.5); }
.dialog-body { padding: 26px 28px; display: grid; gap: 18px; }
.dialog dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 0; padding: 14px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.dialog dt { color: var(--ink-faint); font-size: 0.9375rem; }
.dialog dd { margin: 0; }
.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 11px 20px; font-size: 0.9375rem; max-width: calc(100vw - 32px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.colophon { border-top: 1px solid var(--rule); background: var(--surface); }
.colophon-inner { padding-block: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; font-size: var(--step--1); color: var(--ink-faint); }

@media (max-width: 620px) {
  h1 { font-size: 1.75rem; }
  .page { padding-block: 24px 48px; gap: 36px; }
  .weeknav .week-label { min-width: 0; width: 100%; order: -1; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

.mail-preview { margin: 0; padding: 14px 16px; background: var(--paper); border: 1px solid var(--rule); white-space: pre-wrap; font-family: var(--serif); font-size: 0.9375rem; max-height: 16rem; overflow: auto; }
.mail-foot { padding: 0 16px 14px; }

/* Several rooms in one request ------------------------------------------- */
.more-rooms { border: 1px solid var(--rule); background: var(--paper); }
.more-rooms summary { cursor: pointer; padding: 10px 14px; color: var(--accent); font-size: 0.9375rem; }
.more-rooms[open] summary { border-bottom: 1px solid var(--rule); }
.picker { display: grid; gap: 12px; padding: 12px 14px; max-height: 18rem; overflow-y: auto; }
.picker fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 6px; min-width: 0; }
.picker legend { padding: 0; margin-bottom: 6px; font-size: 0.75rem; }
.picks { display: flex; flex-wrap: wrap; gap: 6px; }
.pick {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--rule); font-size: 0.875rem;
}
.pick:has(input:checked) { border-color: var(--accent); background: var(--accent-tint); }
.pick .pnote { color: var(--ink-faint); font-size: 0.75rem; }
.pick.contested .pnote { color: var(--pending); }
.pick.off { cursor: not-allowed; opacity: 0.55; }
.pick input { margin: 0; accent-color: var(--accent); }

.room-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.room-chip { font-size: 0.8125rem; padding: 1px 8px; border: 1px solid var(--rule-strong); background: var(--surface); font-variant-numeric: tabular-nums; }
.room-chip.contested { background: var(--pending-tint); border-color: #e2c98e; color: var(--pending); }

/* Email setup ------------------------------------------------------------- */
.steps { margin: 0; padding-left: 1.4rem; display: grid; gap: 8px; max-width: 70ch; }
.script-box { border: 1px solid var(--rule); background: var(--surface); }
.script-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--rule); }
.script-box pre { margin: 0; padding: 14px; overflow-x: auto; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.8125rem; line-height: 1.5; max-height: 20rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }