:root {
  --sand: #fbf3e2;
  --paper: #fffdf8;
  --ink: #17343a;
  --muted: #5d7478;
  --sea: #0e6e78;
  --sea-dark: #0a4f57;
  --palm: #2f9e6b;
  --coral: #ef6c4d;
  --sun: #f7b733;
  --line: #e4d8bd;
  --busy: #d9d4c7;
  --radius: 14px;
  --gap: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --sand: #0f2428; --paper: #163238; --ink: #f1ecdc; --muted: #9db4b7; --line: #2c4d54; --busy: #2a3e42;
    --sea: #2bb3c0; --sea-dark: #3fd0dd; --palm: #4bc58c; --coral: #ff866a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--sand); color: var(--ink); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--sea); }
h1 { font: 700 1.9rem/1.1 Georgia, "Times New Roman", serif; margin: 0 0 1rem; }
h2 { font: 700 1.25rem Georgia, serif; margin: 1.2rem 0 .6rem; }
h3 { margin: 0 0 .4rem; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: .8rem 1rem;
  background: linear-gradient(120deg, #0a4f57, #0e6e78 60%, #2f9e6b); color: #fff; }
.top .brand { color: #fff; font: 700 1.4rem Georgia, serif; text-decoration: none; }
.top nav { display: flex; gap: .3rem; }
.top nav a { color: #e9fbf6; text-decoration: none; padding: .35rem .8rem; border-radius: 999px; }
.top nav a:hover { background: rgba(255,255,255,.15); }
.top nav a.on { background: var(--sun); color: #3a2a00; font-weight: 600; }

main { max-width: 760px; margin: 1.2rem auto; padding: 0 1rem; }
footer { text-align: center; color: var(--muted); font-size: .9rem; padding: 1rem 1rem 2rem; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; box-shadow: 0 2px 10px rgba(10,60,70,.07); }
.card.narrow { max-width: 420px; margin: 0 auto; }
main:has(.card.wide) { max-width: 1180px; }

.field { margin-bottom: 1rem; }
label, .label { display: block; font-weight: 600; margin-bottom: .3rem; }
small { color: var(--muted); font-weight: 400; }
input, textarea { width: 100%; font: inherit; color: inherit; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: .55rem .7rem; }
input[type=radio], input[type=checkbox] { width: auto; }
input:focus-visible, textarea:focus-visible, button:focus-visible { outline: 3px solid var(--sun); outline-offset: 1px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 1rem; }
.inline-form { display: flex; gap: .8rem; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { flex: 1 1 200px; margin: 0; }
@media (max-width: 600px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

.btn { font: inherit; font-weight: 600; cursor: pointer; border: 0; border-radius: 999px; padding: .6rem 1.4rem; background: var(--coral); color: #fff; }
.btn:hover { filter: brightness(1.07); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.ghost { background: transparent; color: var(--sea); border: 1px solid var(--sea); }
.btn.small { padding: .3rem .8rem; font-size: .9rem; }
.btn.danger { background: #c0392b; color: #fff; border-color: #c0392b; }
button.btn.ghost.small form { display: inline; }

/* Day picker: week strip + prev/next + jump-to-any-day */
.daypicker { display: flex; align-items: flex-end; gap: .8rem 1rem; flex-wrap: wrap; }
.strip { flex: 1 1 380px; display: flex; align-items: stretch; gap: .4rem; min-width: 0; }
.strip > .btn { padding: 0 .7rem; font-size: 1.3rem; }
.week { flex: 1; display: grid; grid-template-columns: repeat(7, 1fr); gap: .3rem; }
.dayb { font: inherit; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 1px; padding: .4rem 0;
  background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.dayb b { font-size: 1.2rem; line-height: 1.2; }
.dayb small { font-size: .7rem; }
.dayb:hover:not(:disabled) { border-color: var(--sea); }
.dayb.on { background: var(--sea); border-color: var(--sea); color: #fff; }
.dayb.on small { color: #d7eef0; }
.dayb.closed:not(.on) { background: var(--busy); opacity: .7; }
.dayb:disabled { opacity: .35; cursor: not-allowed; }
.jump { flex: 0 0 auto; }
.jump label { margin-bottom: .2rem; font-weight: 500; color: var(--muted); font-size: .85rem; }
.jump input { width: auto; }

.chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip { font: inherit; cursor: pointer; background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-radius: 999px; padding: .4rem .9rem; min-width: 2.6rem; }
.chip:hover:not(:disabled) { border-color: var(--sea); }
.chip.on { background: var(--sea); border-color: var(--sea); color: #fff; }
.chip:disabled { color: var(--muted); background: var(--busy); text-decoration: line-through; opacity: .6; cursor: not-allowed; }

.note { color: var(--muted); margin: .4rem 0; }
.note.ok { color: var(--palm); font-weight: 600; }
.error { color: #b3261e; font-weight: 600; }
@media (prefers-color-scheme: dark) { .error { color: #ff9a90; } }

/* Floor plan: rounds on top, two rows of squares. Pushed pairs fuse into one table. */
.floor { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: auto auto auto; gap: var(--gap); max-width: 520px;
  padding: 1rem; background: repeating-linear-gradient(45deg, #e6f4f1, #e6f4f1 12px, #dcefeb 12px, #dcefeb 24px); border-radius: var(--radius); border: 1px solid var(--line); }
@media (prefers-color-scheme: dark) { .floor { background: #10292e; } }
.tbl { display: flex; flex-direction: column; align-items: center; justify-content: center; border: 2px solid var(--sea); background: var(--paper);
  color: var(--ink); aspect-ratio: 1; line-height: 1.1; }
.tbl.round { border-radius: 50%; }
.tbl.square { border-radius: 8px; }
.tbl small { color: var(--muted); }
.tbl.busy { background: var(--busy); border-color: transparent; color: var(--muted); }
.tbl.mine { background: var(--palm); border-color: var(--palm); color: #fff; }
.tbl.mine small { color: #e6fff3; }
.tbl.join-l { margin-right: calc(var(--gap) * -1 - 2px); border-top-right-radius: 0; border-bottom-right-radius: 0; border-right-color: #fff; border-right-style: dashed; }
.tbl.join-r { margin-left: calc(var(--gap) * -1 - 2px); border-top-left-radius: 0; border-bottom-left-radius: 0; border-left: 0; }

.confirm { text-align: center; padding: 1rem 0; }
.booking { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .9rem 0; border-top: 1px solid var(--line); }

/* Staff */
.staff-head { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.staff-head h1 { margin: 0; }
.staff-head form { margin-left: auto; }
.tabs { display: flex; gap: .3rem; }
.tabs button { font: inherit; cursor: pointer; border: 0; background: transparent; padding: .45rem 1rem; border-radius: 999px; color: var(--ink); }
.tabs button.on { background: var(--sea); color: #fff; }
.daybar { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: .8rem; }
.daybar input[type=date] { width: auto; }
.daybar label { display: inline-flex; align-items: center; gap: .3rem; margin: 0; font-weight: 500; }

.timeline { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.timeline .row { display: flex; min-width: 760px; border-top: 1px solid var(--line); }
.timeline .row:first-child { border-top: 0; }
.rowlabel { flex: 0 0 56px; display: flex; flex-direction: column; justify-content: center; align-items: center; background: var(--sand); font-size: .9rem; }
.track { position: relative; flex: 1; height: 38px; }
.ruler .track { height: 26px; }
.ruler span { position: absolute; top: 4px; transform: translateX(3px); font-size: .75rem; color: var(--muted); }
.hr { position: absolute; top: 0; bottom: 0; border-left: 1px solid var(--line); }
.block { position: absolute; top: 3px; bottom: 3px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; text-align: left; font: inherit; font-size: .8rem;
  cursor: pointer; background: var(--sea); color: #fff; border: 1px solid var(--sea-dark); border-radius: 6px; padding: 0 .4rem; }
.block.pair { background: var(--palm); border-color: #1f7a50; }
.block small { color: #d7eef0; }
.detail { margin-top: 1rem; padding: 1rem; background: var(--sand); border-radius: 10px; border: 1px solid var(--line); }

.list { width: 100%; border-collapse: collapse; font-size: .92rem; }
.list th, .list td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
#bk-list { overflow-x: auto; }

/* Transposed timeline: tables are columns, time runs down */
#transpose[aria-pressed="true"] { background: var(--sea); color: #fff; }
.timeline.vertical { max-height: 72vh; overflow: auto; }
.vgrid { display: grid; grid-template-columns: 56px repeat(12, minmax(78px, 1fr)); min-width: 56px; }
.vgrid .corner, .vgrid .colhead { position: sticky; top: 0; z-index: 3; background: var(--sand); border-bottom: 1px solid var(--line); }
.vgrid .corner { left: 0; z-index: 4; }
.colhead { display: flex; flex-direction: column; align-items: center; padding: .3rem 0; font-size: .9rem; border-left: 1px solid var(--line); }
.vruler { position: sticky; left: 0; z-index: 2; background: var(--sand); }
.vruler span { position: absolute; left: 0; right: 0; text-align: center; transform: translateY(2px); font-size: .75rem; color: var(--muted); }
.vtrack { position: relative; border-left: 1px solid var(--line); }
.hl { position: absolute; left: 0; right: 0; border-top: 1px solid var(--line); }
.vertical .block { left: 2px; right: 2px; bottom: auto; top: auto; width: auto; white-space: normal; padding: .15rem .3rem; line-height: 1.15; }
.vertical .block b, .vertical .block small { display: block; overflow: hidden; text-overflow: ellipsis; }

/* Navigation plus the sign-in menu (myelc-user-menu.js) */
.top-right { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; color: #fff; }