/* Sized and coloured for easy reading: controls stay at least 48px tall and
   every colour used for text clears WCAG AA against its background. */

:root {
  --ink: #101f2c;
  --ink-soft: #3a5061;
  --ink-faint: #566c7e;
  --sky: #15618f;
  --sky-dark: #0f4a6f;
  --sky-soft: #e6f1f8;
  --sky-line: #a9cbe2;
  --line: #c9d6e0;
  --line-soft: #e3eaf0;
  --bg: #f2f6f9;
  --card: #ffffff;
  --good: #146b4b;
  --good-soft: #e2f3ec;
  --warn: #8a4b00;
  --warn-soft: #fceedb;
  --bad: #9e1c14;
  --bad-soft: #fbe8e6;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 32, 46, 0.07), 0 10px 26px rgba(16, 32, 46, 0.08);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --tap: 3rem;
}

* { box-sizing: border-box; }

/* 16px base: a notch down from the 18px this started at, still comfortably
   above what most sites use for body text. The Larger text button in the header
   goes to 19px for anyone who wants the old size back. Everything else is sized
   in rem, so both settings scale the whole page together. */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
html[data-text="large"] { font-size: 19px; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--sky-dark); }
a:hover { color: var(--sky); }

:focus-visible {
  outline: 3px solid #b8560f;
  outline-offset: 2px;
  border-radius: 4px;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.45em; font-weight: 700; }
h1 { font-size: 2.1rem; letter-spacing: -0.015em; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 0.9rem; }

/* ---------- header ---------- */

.site-header {
  background: linear-gradient(165deg, #0d3450, #15618f);
  color: #fff;
  padding: 0.9rem 0;
}
.site-header a { color: #fff; text-decoration: none; }
.site-header .bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.2rem; }
.brand svg { width: 30px; height: 30px; flex: none; }
.site-header nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 0.5rem; }
.site-header nav a { padding: 0.5rem 0.75rem; border-radius: 8px; font-size: 1rem; }
.site-header nav a:hover { background: rgba(255, 255, 255, 0.16); }
.site-header nav a[aria-current="page"] { background: rgba(255, 255, 255, 0.22); font-weight: 600; }
.text-toggle {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 0;
}
.text-toggle:hover { background: rgba(255, 255, 255, 0.28); color: #fff; }

/* ---------- layout ---------- */

.wrap { width: min(1120px, 100% - 2rem); margin-inline: auto; }
.wrap.wide { width: min(1400px, 100% - 2rem); }
.narrow { width: min(720px, 100% - 2rem); margin-inline: auto; }
main { padding: 2rem 0 4rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.card > :last-child { margin-bottom: 0; }
.card-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}
.card-head h1, .card-head h2, .card-head h3 { margin: 0; }

.muted { color: var(--ink-soft); }
.tiny { font-size: 0.92rem; }
.lead { font-size: 1.12rem; color: var(--ink-soft); }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end; }
.grow { flex: 1 1 200px; }
.hidden { display: none !important; }

/* numbered step headings on the renter page */
.step { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.1rem; }
.step-num {
  flex: none;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--sky);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.step h2 { margin: 0; }

/* ---------- forms ---------- */

label { display: block; font-size: 1rem; font-weight: 600; color: var(--ink); margin-bottom: 0.35rem; }
input, select, textarea, button { font: inherit; }
input, select, textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 0.6rem 0.75rem;
  border: 2px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
input::placeholder, textarea::placeholder { color: #7b8ea0; }
input:focus, select:focus, textarea:focus { border-color: var(--sky); }
textarea { min-height: 5rem; resize: vertical; }
.field { margin-bottom: 1.1rem; }
.field-row { display: grid; gap: 0.5rem 1.1rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.field-hint { font-size: 0.92rem; color: var(--ink-soft); margin: 0.3rem 0 0; font-weight: 400; }

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: var(--tap);
  padding: 0.6rem 1.35rem;
  border-radius: 10px;
  border: 2px solid transparent;
  background: var(--sky);
  color: #fff;
  font-size: 1.02rem;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
button:hover, .btn:hover { background: var(--sky-dark); color: #fff; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-secondary, button.secondary { background: #fff; color: var(--sky-dark); border-color: var(--line); }
.btn-secondary:hover, button.secondary:hover { background: var(--sky-soft); color: var(--sky-dark); border-color: var(--sky-line); }
button.danger { background: #fff; color: var(--bad); border-color: #e8bab5; }
button.danger:hover { background: var(--bad-soft); color: var(--bad); }
button.small, .btn.small { min-height: 2.5rem; padding: 0.35rem 0.85rem; font-size: 0.95rem; }
.btn-big { width: 100%; font-size: 1.15rem; min-height: 3.5rem; }

/* ---------- messages ---------- */

.msg {
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  font-size: 1.02rem;
  margin-bottom: 1rem;
  border: 2px solid;
}
.msg-error { background: var(--bad-soft); color: var(--bad); border-color: #e8bab5; }
.msg-ok { background: var(--good-soft); color: var(--good); border-color: #b3ddca; }
.msg-info { background: var(--sky-soft); color: var(--sky-dark); border-color: var(--sky-line); }

/* ---------- badges ---------- */

.badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--sky-soft);
  color: var(--sky-dark);
}
.badge-good { background: var(--good-soft); color: var(--good); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-bad { background: var(--bad-soft); color: var(--bad); }
.badge-grey { background: #e7ecf1; color: var(--ink-soft); }

/* ---------- pickers (owners, planes) ---------- */

.picker { display: grid; gap: 0.85rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.picker-option {
  display: block;
  width: 100%;
  text-align: left;
  border: 2px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  cursor: pointer;
  font-weight: 400;
  min-height: 4.5rem;
}
.picker-option, .picker-option:hover { text-decoration: none; }
.picker-option:hover { background: var(--sky-soft); border-color: var(--sky-line); color: var(--ink); }
a.picker-option .picker-title { color: var(--sky-dark); }
.picker-go { display: block; margin-top: 0.35rem; font-weight: 700; color: var(--sky-dark); }
.picker-option[aria-pressed="true"] {
  border-color: var(--sky);
  background: var(--sky-soft);
  box-shadow: inset 0 0 0 2px var(--sky);
}
.picker-option[aria-pressed="true"]::after {
  content: "✓ Selected";
  display: block;
  margin-top: 0.35rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--sky-dark);
}
.picker-title { font-weight: 700; font-size: 1.15rem; }
.picker-title.tail { font-family: var(--mono); letter-spacing: 0.01em; }
.picker-meta { font-size: 1rem; color: var(--ink-soft); }

/* ---------- calendar ---------- */

.cal-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}
.cal-range { font-weight: 700; font-size: 1.15rem; }
.cal-nav { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.cal-scroll {
  overflow: auto;
  max-height: min(640px, 70vh);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overscroll-behavior: contain;
}
.cal-inner { min-width: 760px; }
.cal-headrow, .cal-body { display: grid; grid-template-columns: 74px repeat(7, minmax(98px, 1fr)); }
.cal-headrow {
  position: sticky;
  top: 0;
  z-index: 3;
  background: #fff;
  border-bottom: 2px solid var(--line);
}
.cal-corner { background: #fff; }
.cal-dayhead {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05rem;
  padding: 0.55rem 0.25rem 0.6rem;
  border-left: 1px solid var(--line-soft);
  background: #fff;
}
.cal-dayhead .dow { font-size: 0.9rem; color: var(--ink-soft); font-weight: 600; }
.cal-dayhead .dom { font-size: 1.35rem; font-weight: 700; line-height: 1.1; }
.cal-dayhead.today { background: var(--sky-soft); }
.cal-dayhead.today .dom, .cal-dayhead.today .dow { color: var(--sky-dark); }
.cal-dayhead .tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sky-dark);
}

.cal-gutter { border-right: 1px solid var(--line); }
.cal-hour {
  font-size: 0.92rem;
  color: var(--ink-faint);
  text-align: right;
  padding: 0.1rem 0.5rem 0 0;
  border-top: 1px solid var(--line-soft);
  line-height: 1.1;
}
.cal-gutter .cal-hour:first-child { border-top: none; }

.cal-day { position: relative; border-left: 1px solid var(--line-soft); }
.cal-slot {
  display: block;
  width: 100%;
  min-height: 0;
  padding: 0;
  border: none;
  border-top: 1px dotted var(--line-soft);
  border-radius: 0;
  background: #fff;
  cursor: pointer;
  scroll-margin-top: 70px;
}
.cal-slot.hour-end { border-bottom: 1px solid var(--line-soft); }
.cal-slot:hover:not(:disabled) { background: var(--sky-soft); }
.cal-slot:disabled { cursor: default; background: transparent; }
.cal-pastfill {
  position: absolute;
  left: 0;
  right: 0;
  background: repeating-linear-gradient(135deg, #eaeef2, #eaeef2 6px, #e1e7ec 6px, #e1e7ec 12px);
  pointer-events: none;
}
.cal-now { position: absolute; left: 0; right: 0; height: 2px; background: #c0392b; pointer-events: none; }
.cal-now::before {
  content: "";
  position: absolute;
  left: -3px;
  top: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c0392b;
}

.cal-event {
  position: absolute;
  left: 3px;
  right: 3px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0.05rem;
  overflow: hidden;
  padding: 0.2rem 0.45rem;
  border-radius: 8px;
  border: none;
  border-left: 5px solid;
  text-align: left;
  font-size: 0.92rem;
  line-height: 1.25;
  min-height: 0;
}
.cal-event.short { flex-direction: row; align-items: baseline; gap: 0.35rem; padding-top: 0.1rem; }
.cal-event-time { font-size: 0.82rem; font-weight: 600; opacity: 0.85; white-space: nowrap; }
.cal-event-title { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cal-event-sub { font-size: 0.85rem; opacity: 0.9; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
button.cal-event { cursor: pointer; }
button.cal-event:hover { filter: brightness(0.96); }

.tone-busy { background: #e2e8ee; border-left-color: #7d93a6; color: #2c3d4b; }
.tone-rental { background: var(--sky-soft); border-left-color: var(--sky); color: var(--sky-dark); }
.tone-block { background: var(--warn-soft); border-left-color: #c98a2e; color: var(--warn); }
.tone-cancelled { background: #f0f2f4; border-left-color: #b7c1cb; color: var(--ink-faint); text-decoration: line-through; }
.tone-paid { background: var(--good-soft); border-left-color: var(--good); color: var(--good); }
/* The selection is a highlight, not a target — clicks belong to the slots under it. */
.tone-selected {
  background: var(--sky);
  border-left-color: var(--sky-dark);
  color: #fff;
  box-shadow: 0 2px 8px rgba(21, 97, 143, 0.35);
  pointer-events: none;
}

.cal-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 0.9rem;
  font-size: 0.98rem;
  color: var(--ink-soft);
}
.cal-legend span { display: inline-flex; align-items: center; gap: 0.45rem; }
.swatch { width: 20px; height: 20px; border-radius: 5px; border: 1px solid var(--line); display: inline-block; flex: none; }
.swatch-free { background: #fff; }
.swatch-busy { background: #e2e8ee; border-color: #7d93a6; }
.swatch-past { background: repeating-linear-gradient(135deg, #eaeef2, #eaeef2 5px, #e1e7ec 5px, #e1e7ec 10px); }
.swatch-selected { background: var(--sky); border-color: var(--sky-dark); }
.swatch-rental { background: var(--sky-soft); border-color: var(--sky); }
.swatch-block { background: var(--warn-soft); border-color: #c98a2e; }
.swatch-paid { background: var(--good-soft); border-color: var(--good); }
.cal-note { margin: 0.75rem 0 0; font-size: 0.95rem; color: var(--warn); }

/* ---------- tables ---------- */

.table-scroll { overflow-x: auto; }
.table-scroll table { min-width: 980px; }
table { width: 100%; border-collapse: collapse; font-size: 0.98rem; }
th, td { text-align: left; padding: 0.7rem 0.65rem; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  white-space: nowrap;
  border-bottom: 2px solid var(--line);
}
tbody tr:hover { background: #f8fbfd; }
td.actions { white-space: nowrap; text-align: right; }
td.nowrap, th.nowrap { white-space: nowrap; }
tr.cancelled td { opacity: 0.6; }
tr.cancelled td:first-child { text-decoration: line-through; }

input.tach-inline { width: 5.5rem; min-height: 2.6rem; padding: 0.3rem 0.5rem; }
input.notes-inline { width: 10rem; min-height: 2.6rem; padding: 0.3rem 0.5rem; }
input.paid-box { width: 1.6rem; height: 1.6rem; min-height: 0; accent-color: var(--good); cursor: pointer; }
label.check-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.02rem;
  font-weight: 500;
  min-height: var(--tap);
  cursor: pointer;
}

/* ---------- instructions & confirmation ---------- */

.instructions { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.instructions li {
  counter-increment: step;
  position: relative;
  padding: 1rem 1rem 1rem 3.6rem;
  border: 2px solid var(--line);
  border-radius: 10px;
  margin-bottom: 0.7rem;
  background: #fff;
  font-size: 1.08rem;
}
.instructions li:last-child { margin-bottom: 0; }
.instructions li::before {
  content: counter(step);
  position: absolute;
  left: 0.9rem;
  top: 0.9rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--sky);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.conf-code {
  font-family: var(--mono);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--sky-dark);
  background: var(--sky-soft);
  border: 3px dashed var(--sky-line);
  border-radius: var(--radius);
  padding: 1.1rem 1rem;
  text-align: center;
  word-break: break-all;
}

.detail-list { margin: 0; }
.detail-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.detail-row:last-child { border-bottom: none; }
.detail-row dt { flex: 0 0 8.5rem; font-weight: 700; color: var(--ink-soft); font-size: 0.98rem; }
.detail-row dd { margin: 0; flex: 1 1 12rem; font-size: 1.05rem; }

/* ---------- modal ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 32, 46, 0.55);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 40;
}
.modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: min(620px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  padding: 1.5rem;
}

/* ---------- tabs ---------- */

.tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tab {
  background: #fff;
  border: 2px solid var(--line);
  color: var(--ink-soft);
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 650;
  min-height: 2.9rem;
}
.tab:hover { background: var(--sky-soft); color: var(--sky-dark); }
.tab[aria-selected="true"] { background: var(--sky); border-color: var(--sky); color: #fff; }

/* ---------- how it works ---------- */

.how { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.how-item {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
}
.how-item h3 { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.35rem; }
.how-item .n {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--sky-soft);
  color: var(--sky-dark);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex: none;
}
.how-item p { margin: 0; color: var(--ink-soft); }

footer.site-footer {
  padding: 1.5rem 0 3rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
  text-align: center;
}

@media (max-width: 640px) {
  h1 { font-size: 1.75rem; }
  .card { padding: 1.15rem; }
  .conf-code { font-size: 2rem; }
  .detail-row dt { flex-basis: 100%; }
}

@media print {
  .site-header, .site-footer, .cal-toolbar, button, .btn { display: none !important; }
  .card { box-shadow: none; border-color: #999; break-inside: avoid; }
}