@font-face { font-family: 'Vazirmatn'; src: url('/fonts/Vazirmatn-Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Vazirmatn'; src: url('/fonts/Vazirmatn-Medium.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Vazirmatn'; src: url('/fonts/Vazirmatn-Bold.woff2') format('woff2'); font-weight: 700; font-display: swap; }

:root {
  /* Day: white, with navy accents */
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --border: #dde3ee;
  --border-strong: #c3cddd;
  --text: #16223a;
  --muted: #5d6b82;
  --accent: #1f3b73;
  --accent-hover: #172e5c;
  --accent-soft: #e8eef9;
  --on-accent: #ffffff;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --warn-soft: #fff6e0;
  --focus: #3563b8;
  --radius: 10px;
  color-scheme: light;
}
/* Night: navy. Follows the computer's setting until someone presses the
   day/night button; after that, their choice wins (data-theme). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1628;
    --surface: #10203a;
    --surface-2: #152a4a;
    --border: #233b62;
    --border-strong: #31507f;
    --text: #e8eef8;
    --muted: #9fb2cf;
    --accent: #6d9cf5;
    --accent-hover: #8db3f8;
    --accent-soft: #1a3563;
    --on-accent: #0b1628;
    --danger: #ff8f85;
    --danger-soft: #3b1d2b;
    --warn-soft: #33301c;
    --focus: #8db3f8;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
    --bg: #0b1628;
    --surface: #10203a;
    --surface-2: #152a4a;
    --border: #233b62;
    --border-strong: #31507f;
    --text: #e8eef8;
    --muted: #9fb2cf;
    --accent: #6d9cf5;
    --accent-hover: #8db3f8;
    --accent-soft: #1a3563;
    --on-accent: #0b1628;
    --danger: #ff8f85;
    --danger-soft: #3b1d2b;
    --warn-soft: #33301c;
    --focus: #8db3f8;
    color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  font-size: 15px;
  line-height: 1.7;
}
button, input, select, textarea { font: inherit; color: inherit; }
.boot { padding: 48px 16px; text-align: center; color: var(--muted); }

/* ---------- header & tabs ---------- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 17px; }
.brand small { font-weight: 400; color: var(--muted); font-size: 13px; margin-inline-start: 8px; }
.spacer { flex: 1; }
.userchip { color: var(--muted); font-size: 13px; }
.userchip b { color: var(--text); font-weight: 500; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab {
  border: 0;
  background: none;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 500; }

main { padding: 16px; max-width: 1500px; margin: 0 auto; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 4px; font-size: 18px; }
.card h3 { margin: 0 0 8px; font-size: 16px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 12px; }

/* ---------- buttons & fields ---------- */
.btn {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 500; }
.btn.primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn.small { padding: 3px 10px; font-size: 13px; }
.btn.icon { padding: 3px 8px; line-height: 1; border-color: transparent; background: none; color: var(--muted); }
.btn.icon:hover { color: var(--danger); background: var(--danger-soft); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 12px; }
.status { font-size: 13px; color: var(--muted); }
.status.unsaved { color: #9a6700; }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--surface);
  min-width: 0;
}
.inline-fields { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.inline-fields .field { margin-bottom: 0; }

.alert { border-radius: 8px; padding: 10px 12px; margin: 12px 0 0; font-size: 14px; }
.alert.error { background: var(--danger-soft); color: var(--danger); }
.alert.ok { background: var(--accent-soft); color: var(--accent); }
.alert:empty { display: none; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; }
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card .btn.primary { width: 100%; padding: 10px; margin-top: 4px; }

/* ---------- data grid ---------- */
.grid-scroll {
  overflow: auto;
  max-height: 70vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}
table.grid { border-collapse: separate; border-spacing: 0; width: max-content; min-width: 100%; }
.grid th, .grid td { border-bottom: 1px solid var(--border); border-inline-start: 1px solid var(--border); padding: 0; }
.grid th:first-child, .grid td:first-child { border-inline-start: 0; }
.grid thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-2);
  font-weight: 500;
  font-size: 13px;
  padding: 8px 10px;
  text-align: right;
  white-space: nowrap;
}
.grid .req::after { content: ' *'; color: var(--danger); }
.grid .rownum {
  position: sticky;
  right: 0;
  z-index: 1;
  background: var(--surface-2);
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  width: 52px;
  min-width: 52px;
  padding: 0 6px;
}
.grid thead th.rownum { z-index: 3; text-align: center; }
.grid td.val { padding: 6px 10px; white-space: nowrap; }
.grid td.val.num { direction: ltr; text-align: right; font-variant-numeric: tabular-nums; }
.grid input, .grid select {
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 8px 10px;
  height: 40px;
  border-radius: 0;
}
.grid input:focus, .grid select:focus { outline: 2px solid var(--focus); outline-offset: -2px; background: var(--surface); }
.grid input[dir="ltr"] { text-align: right; }
.grid input::placeholder { color: var(--muted); opacity: .6; }
.grid input:not(:focus)::placeholder { color: transparent; } /* hint only while typing, so empty cells never look filled */
.grid input:disabled, .grid select:disabled { color: var(--text); }
.grid tr.dirty td:not(.rownum) { background: var(--warn-soft); }
.grid tr.bad td:not(.rownum) { background: var(--danger-soft); }
.grid tr.bad td.rownum { color: var(--danger); font-weight: 700; }
.grid tr.errline td { background: var(--danger-soft); color: var(--danger); font-size: 13px; padding: 4px 0; text-align: right; }
.grid tr.errline span { position: sticky; right: 60px; padding: 0 12px; white-space: nowrap; } /* stays in view when the table is scrolled sideways */
.grid td.actions { width: 44px; text-align: center; }
.grid tbody tr:hover td.val { background: var(--surface-2); }
.w-text { min-width: 160px; }
.w-longtext { min-width: 230px; }
.w-jdate { min-width: 118px; }
.w-time { min-width: 92px; }
.w-int { min-width: 92px; }
.w-number { min-width: 110px; }
.w-select { min-width: 135px; }
.empty { padding: 16px; color: var(--muted); text-align: center; }

/* ---------- archive ---------- */
details.day { border: 1px solid var(--border); border-radius: 8px; margin-top: 10px; background: var(--surface); }
details.day summary { padding: 10px 14px; cursor: pointer; font-weight: 500; }
details.day summary .count { color: var(--muted); font-weight: 400; margin-inline-start: 8px; font-size: 13px; }
details.day .day-body { padding: 0 14px 14px; }
details.day .toolbar { margin: 0 0 10px; }
.lock { font-size: 12px; color: var(--muted); border: 1px solid var(--border); border-radius: 99px; padding: 1px 8px; margin-inline-start: 8px; }

/* ---------- users ---------- */
.badge { font-size: 12px; border-radius: 99px; padding: 1px 8px; background: var(--accent-soft); color: var(--accent); }
.badge.off { background: var(--danger-soft); color: var(--danger); }
.pw-inline { display: flex; gap: 6px; align-items: center; padding: 4px 8px; }
.pw-inline input { border: 1px solid var(--border-strong); border-radius: 6px; padding: 4px 8px; height: auto; width: 150px; }

@media (max-width: 640px) {
  main { padding: 10px; }
  .card { padding: 12px; }
  .brand small { display: none; }
}

/* ---------- day / night button ---------- */
.theme-toggle { display: inline-flex; align-items: center; gap: 6px; }
.theme-toggle svg { width: 16px; height: 16px; }
.login-wrap { position: relative; }
.login-wrap > .theme-toggle { position: absolute; top: 16px; left: 16px; }