:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --ink: #1d2320;
  --muted: #6b716d;
  --line: #d9d6cc;
  --line-strong: #1d2320;
  --accent: #0f6b4f;
  --accent-ink: #ffffff;
  --accent-soft: #e5f1ec;
  --danger: #b3261e;
  --warn: #9a6400;
  --radius: 10px;
  font-family: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.55; }
a { color: var(--accent); }
main { padding: 20px clamp(12px, 3vw, 32px) 48px; }
h1 { font-size: 1.35rem; margin: 0 0 12px; }
h2 { font-size: 1.05rem; margin: 24px 0 8px; }
.muted { color: var(--muted); }
.error { background: #fdecea; color: var(--danger); padding: 10px 12px; border-radius: 8px; }
.ok { background: var(--accent-soft); color: var(--accent); padding: 10px 12px; border-radius: 8px; }

/* Top bar */
.topbar {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 12px clamp(12px, 3vw, 32px); background: var(--surface); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; letter-spacing: .04em; color: var(--ink); text-decoration: none; font-size: 1.1rem; }
.brand span { color: var(--accent); font-weight: 500; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a { padding: 6px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; }
.topbar nav a.active, .topbar nav a:hover { background: var(--accent-soft); color: var(--accent); }
.who { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.who form { margin: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink); font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); border-color: #efc4c0; }
.btn.google { width: 100%; }
.btn:active { transform: translateY(1px); }
button.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; text-decoration: underline; }

/* Toolbar */
.toolbar { display: flex; gap: 12px; justify-content: space-between; flex-wrap: wrap; margin-bottom: 16px; }
.filters { display: flex; gap: 8px; flex: 1; min-width: 260px; max-width: 640px; }
.filters input { flex: 1; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
input, select, textarea {
  font: inherit; color: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); width: 100%;
}
.filters select { width: auto; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

/* The sheet: looks like the original Word table */
.sheet { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 0; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table.grid { border-collapse: collapse; width: 100%; min-width: 1200px; font-size: 14px; }
.grid th, .grid td { border: 1px solid var(--line-strong); padding: 7px 9px; text-align: right; vertical-align: top; }
.grid thead th { background: #eef0ec; font-weight: 700; white-space: nowrap; position: sticky; top: 0; }
.grid tbody tr { cursor: pointer; }
.grid tbody tr:hover { background: #f3f8f5; }
.grid tbody tr:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
.grid .num { width: 44px; text-align: center; font-weight: 700; white-space: nowrap; }
.grid .strong { font-weight: 600; }
.grid .wrap { white-space: pre-line; min-width: 120px; }
.grid .nowrap { white-space: nowrap; }
.grid .date { white-space: nowrap; font-size: 13px; color: var(--muted); }
.grid tr.empty td { text-align: center; color: var(--muted); padding: 32px; cursor: default; }
.src { font-size: 11px; color: var(--accent); margin-inline-start: 4px; }
.pill { display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: 12.5px; white-space: nowrap; }
.pill.available { background: var(--accent-soft); color: var(--accent); }
.pill.reserved { background: #fdf3dd; color: var(--warn); }
.pill.sold { background: #ececec; color: #555; }

/* Cards & forms */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(16px, 3vw, 28px); }
.narrow { max-width: 620px; margin: 0 auto; }
.form-card { max-width: 980px; margin: 0 auto; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 16px; margin-top: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-weight: 600; font-size: 14px; }
.field.wide { grid-column: span 2; }
.hint { color: var(--muted); font-size: 13px; }
.form-actions { grid-column: 1 / -1; display: flex; gap: 8px; margin-top: 8px; }
.danger-zone { margin-top: 24px; padding-top: 16px; border-top: 1px dashed var(--line); }
.stack { display: flex; flex-direction: column; gap: 14px; }
.inline-form { margin-top: 14px; color: var(--muted); font-size: 14px; }

/* Login */
.auth-card { max-width: 420px; margin: 8vh auto 0; }
.auth-brand { font-size: 1.6rem; font-weight: 700; letter-spacing: .04em; }
.auth-brand span { color: var(--accent); font-weight: 500; }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); margin: 18px 0; }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
.code-input { font-size: 1.6rem; letter-spacing: .4em; text-align: center; }

.print-only { display: none; }

@media (max-width: 640px) {
  .field.wide { grid-column: auto; }
  .who span { display: none; }
  .topbar { gap: 12px; }
}

@media print {
  @page { size: A4 landscape; margin: 10mm; }
  body { background: #fff; font-size: 11px; }
  .topbar, .no-print { display: none !important; }
  main { padding: 0; }
  .print-only { display: block; text-align: center; font-size: 16px; }
  .sheet { border: 0; }
  .table-wrap { overflow: visible; }
  table.grid { min-width: 0; font-size: 10.5px; }
  .grid thead th { position: static; }
  .pill { padding: 0; background: none !important; }
}