:root {
  --bg: #f6f5f1; --card: #fff; --ink: #1f2430; --muted: #6b7280; --line: #e5e2d9;
  --accent: #1f4b99;
  --solar: #1c7c54;  --solar-bg: #e3f4ec;
  --lunar: #8a5a00;  --lunar-bg: #fbefd2;
  --greg:  #1f5fbf;  --greg-bg:  #e2edfb;
  --danger: #b3261e;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161b; --card: #1d2027; --ink: #e8e9ee; --muted: #9aa0ad; --line: #2e323c;
    --accent: #7fa8f0;
    --solar: #5fd0a0; --solar-bg: #14352a;
    --lunar: #f0c060; --lunar-bg: #3b2f12;
    --greg:  #8db8ff; --greg-bg:  #18304f;
    --danger: #ff8a80;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body {
  margin: 0; background: var(--bg); color: var(--ink); line-height: 1.7;
  font-family: Vazirmatn, "Vazir", Tahoma, "Segoe UI", system-ui, sans-serif; font-size: 15px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 20px; padding-bottom: 60px; }
h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 0; }
h3 { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.ltr { direction: ltr; text-align: right; }

/* top bar */
.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.bar { display: flex; align-items: center; justify-content: space-between; height: 54px; gap: 12px; }
.brand { font-weight: 700; color: var(--ink); }
.top nav { display: flex; align-items: center; gap: 16px; font-size: .92rem; }
.inline { display: inline; margin: 0; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }

/* flash */
.flash { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; border: 1px solid; }
.flash.ok { background: var(--solar-bg); color: var(--solar); border-color: var(--solar); }
.flash.error { background: #fde8e6; color: var(--danger); border-color: var(--danger); }
@media (prefers-color-scheme: dark) { .flash.error { background: #3a1916; } }

/* forms + buttons */
input, button, select { font: inherit; }
input[type=text], input[type=password], input[type=search], input:not([type]) {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--ink);
}
label { display: block; margin-bottom: 12px; font-size: .9rem; color: var(--muted); }
label input { margin-top: 4px; }
.btn {
  display: inline-block; padding: 8px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); cursor: pointer; font-size: .9rem; text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .btn.primary { color: #0b1220; } }
.btn.danger { color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: .82rem; }
.btn.block { width: 100%; margin-top: 4px; padding: 11px; }

.login-card {
  max-width: 400px; margin: 60px auto; background: var(--card); padding: 28px;
  border: 1px solid var(--line); border-radius: var(--radius);
}
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; overflow-x: auto; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.crumb { margin: 0 0 8px; font-size: .9rem; }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; align-items: end; }
.grid-form label { margin: 0; }
.with-btn { display: flex; gap: 6px; }
.with-btn input { margin-top: 4px; }
.with-btn .btn { margin-top: 4px; }

/* table */
.table { width: 100%; border-collapse: collapse; min-width: 640px; }
.table th, .table td { text-align: right; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { color: var(--muted); font-weight: 500; font-size: .85rem; }
.actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
details summary { list-style: none; display: inline-block; }
details summary::-webkit-details-marker { display: none; }
.inline-form { display: flex; gap: 6px; margin-top: 8px; }
.inline-form input { width: 150px; }

/* client toolbar */
.intro { margin-bottom: 14px; }
.toolbar { margin-bottom: 18px; }
.summary { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; font-size: .95rem; }
.status { font-size: .85rem; color: var(--muted); }
.status.ok { color: var(--solar); }
.status.bad { color: var(--danger); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 4px 14px; border-radius: 999px; cursor: pointer; font-size: .85rem;
}
.chip.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.tools { display: flex; gap: 14px; align-items: center; margin-bottom: 8px; }
.tools input[type=search] { max-width: 280px; }
.only { margin: 0; white-space: nowrap; display: flex; align-items: center; gap: 6px; color: var(--ink); }
.only input { margin: 0; width: auto; }
.months {
  display: flex; gap: 6px; overflow-x: auto; padding: 8px 0;
  position: sticky; top: 54px; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line);
}
.months a {
  white-space: nowrap; font-size: .8rem; padding: 2px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}

/* months + rows */
.month { margin-bottom: 26px; }
.month h2 { padding: 4px 2px 8px; display: flex; align-items: baseline; gap: 10px; }
.month h2 small { color: var(--muted); font-weight: 400; font-size: .8rem; }
.rows { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.row {
  display: grid; grid-template-columns: 28px 150px 1fr auto; gap: 12px; align-items: center;
  padding: 10px 14px; border-bottom: 1px solid var(--line); margin: 0; color: var(--ink); cursor: pointer;
}
.row:last-child { border-bottom: 0; }
.row:hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.row input[type=checkbox] { width: 20px; height: 20px; margin: 0; accent-color: var(--accent); }
.row:has(input:checked) { background: color-mix(in srgb, var(--accent) 11%, transparent); }
.readonly .row { cursor: default; grid-template-columns: 28px 150px 1fr auto; }
.readonly .row.overview { grid-template-columns: 150px 1fr auto; }
.readonly .row:hover { background: none; }
.tick { color: var(--solar); font-weight: 700; text-align: center; }
.date { display: flex; flex-direction: column; line-height: 1.4; }
.date .dm { white-space: nowrap; }
.date b { font-size: 1.05rem; }
.date small { color: var(--muted); font-size: .75rem; white-space: nowrap; }
.title em { display: block; font-style: normal; color: var(--muted); font-size: .8rem; }
.badge {
  font-size: .75rem; padding: 2px 10px; border-radius: 999px; white-space: nowrap; font-weight: 500;
}
.badge.t-solar, .stat.t-solar { background: var(--solar-bg); color: var(--solar); }
.badge.t-lunar, .stat.t-lunar { background: var(--lunar-bg); color: var(--lunar); }
.badge.t-gregorian, .stat.t-gregorian { background: var(--greg-bg); color: var(--greg); }
.chip.t-solar.active { background: var(--solar); border-color: var(--solar); color: #fff; }
.chip.t-lunar.active { background: var(--lunar); border-color: var(--lunar); color: #fff; }
.chip.t-gregorian.active { background: var(--greg); border-color: var(--greg); color: #fff; }
.empty { text-align: center; color: var(--muted); padding: 30px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 20px; }
.stat { border-radius: var(--radius); padding: 12px 16px; display: flex; flex-direction: column; }
.stat b { font-size: 1.6rem; line-height: 1.2; }
.stat span { font-size: .85rem; }
.clients { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.clients i {
  font-style: normal; font-size: .75rem; background: var(--bg); border: 1px solid var(--line);
  padding: 0 8px; border-radius: 999px; color: var(--muted);
}

@media (max-width: 640px) {
  .row { grid-template-columns: 28px 1fr auto; row-gap: 2px; }
  .row .date { grid-column: 2 / 3; flex-direction: row; gap: 8px; align-items: baseline; flex-wrap: wrap; }
  .months { top: 54px; }
  .row .title { grid-column: 2 / 4; }
  .row .badge { grid-row: 1; grid-column: 3; }
  .readonly .row.overview { grid-template-columns: 1fr auto; }
  .readonly .row.overview .title { grid-column: 1 / 3; }
  .tools { flex-direction: column; align-items: stretch; gap: 6px; }
  .tools input[type=search] { max-width: none; }
  .stats { grid-template-columns: 1fr; }
}