:root {
  --ink: #1f2428;
  --muted: #6a737d;
  --line: #dfe3e8;
  --paper: #fbfaf7;
  --card: #ffffff;
  --accent: #1f5f8b;
  --held: #f2c14e;
  --ok: #3a8f6b;
  --warn: #b4532a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

header h1 { margin: 0; font-size: 20px; }
header p { margin: 0; }
#badges { flex: 1; display: flex; gap: 8px; }
#controls { display: flex; gap: 8px; align-items: center; }

.muted { color: var(--muted); }

.badge {
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 12px;
}
.badge.mock { border-color: var(--warn); color: var(--warn); }
.badge.sandbox { border-color: var(--ok); color: var(--ok); }

main {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(420px, 1.6fr) minmax(260px, 1fr);
  gap: 16px;
  padding: 16px 20px;
  align-items: start;
}

h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#board-col h2:not(:first-child) { margin-top: 20px; }

button {
  font: inherit;
  padding: 4px 10px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
button.quiet, header button, .tab { background: var(--card); color: var(--accent); }
.tab { border-color: var(--line); color: var(--ink); margin: 0 4px 8px 0; }
.tab.on { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.tab sup { margin-left: 4px; color: var(--accent); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 4px;
  padding: 10px 12px;
  margin-bottom: 10px;
}
.card p { margin: 0 0 6px; }
.card.awaiting_owner { border-left-color: var(--warn); }
.card.awaiting_payment { border-left-color: var(--held); }
.card.booked { border-left-color: var(--ok); }
.card .meta { font-size: 12px; color: var(--muted); }
.card .status { font-weight: 600; color: var(--ink); text-transform: capitalize; }
.card .message { white-space: pre-wrap; }
.card .proposal { color: var(--warn); }
.card .actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.card pre {
  white-space: pre-wrap;
  word-break: break-word;
  font: inherit;
  background: var(--paper);
  padding: 8px;
  margin: 6px 0 0;
  border-radius: 4px;
}
summary { cursor: pointer; color: var(--muted); font-size: 12px; }

#compose { display: grid; gap: 6px; }
#compose textarea, #compose select { font: inherit; padding: 6px; border: 1px solid var(--line); border-radius: 4px; }

#board { background: var(--card); border: 1px solid var(--line); border-radius: 4px; }
#board .b-sch-event { font: 12px/1.3 inherit; font-family: inherit; color: var(--ink, #222); border-radius: 4px; padding: 3px 6px; display: flex; flex-direction: column; justify-content: center; }
#board .b-sch-event span { font-size: 11px; color: var(--muted); }
#board .b-sch-event, #board .b-sch-event span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; align-items: flex-start; text-align: left; }
#board .b-sch-event.confirmed { background: #dcefe6; border: 1px solid var(--ok); }
#board .b-sch-event.held {
  border: 1px dashed #a57c12;
  background: repeating-linear-gradient(45deg, #fdf3d3, #fdf3d3 6px, #fae7ab 6px, #fae7ab 12px);
}
#board .b-grid-header, #board .b-grid-cell { font-family: inherit; font-size: 12px; }
#board-hint { font-size: 12px; }
.row { display: flex; border-top: 1px solid var(--line); min-height: 56px; }
.row.hours { min-height: 24px; border-top: 0; }
.row .label { width: 96px; padding: 8px; font-weight: 600; border-right: 1px solid var(--line); }
.track { position: relative; flex: 1; }
.hours .track span { position: absolute; top: 4px; font-size: 11px; color: var(--muted); padding-left: 3px; border-left: 1px solid var(--line); }

.event {
  position: absolute;
  top: 6px;
  bottom: 6px;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.event.confirmed { background: #dcefe6; border: 1px solid var(--ok); }
.event.held {
  border: 1px dashed #a57c12;
  background: repeating-linear-gradient(45deg, #fdf3d3, #fdf3d3 6px, #fae7ab 6px, #fae7ab 12px);
}

.legend { margin: 8px 0 0; display: flex; gap: 8px; }
.chip { font-size: 12px; padding: 1px 8px; border-radius: 10px; }
.chip.held { background: #fdf3d3; border: 1px dashed #a57c12; }
.chip.confirmed { background: #dcefe6; border: 1px solid var(--ok); }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); }
th, td { text-align: left; padding: 6px 8px; border-top: 1px solid var(--line); font-size: 13px; }
th { color: var(--muted); font-weight: 600; border-top: 0; }
tr.released td, tr.cancelled td { color: var(--muted); }
code { font-size: 12px; }

#policy { margin: 0; padding-left: 18px; }

#log { list-style: none; margin: 0; padding: 0; max-height: 80vh; overflow: auto; }
#log li { padding: 8px 0; border-top: 1px solid var(--line); }
#log p { margin: 2px 0; }
#log .who { font-weight: 600; }
#log li.paypal .who { color: var(--accent); }
#log li.owner .who { color: var(--warn); }
#log li.agent .who { color: var(--ok); }

/* mock checkout and thank-you pages */
body.checkout main { display: block; max-width: 420px; margin: 48px auto; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 24px; }
.mock-banner { background: #fdf0ea; border: 1px solid var(--warn); color: var(--warn); padding: 8px; border-radius: 4px; }
.amount { font-size: 28px; font-weight: 600; margin: 8px 0; }
body.checkout form { display: grid; gap: 12px; margin-top: 16px; }
body.checkout input[type="email"] { font: inherit; width: 100%; padding: 6px; }

@media (max-width: 1000px) {
  main { grid-template-columns: 1fr; }
}

.notice {
  margin: 0;
  padding: 8px 16px;
  background: #fbeee6;
  color: var(--warn);
  border-bottom: 1px solid var(--line);
}

.login {
  max-width: 320px;
  margin: 80px auto;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
}

.login input { width: 100%; margin-top: 4px; }

[hidden] { display: none !important; }