/* Shongololo Books: school brand (Stitch design system "Shongololo Books"). */
:root {
  --bg: #FFFBFA; --surface: #FFFFFF; --ink: #05111F; --muted: #476480; --line: #E3E8E6;
  --teal: #57C7AD; --teal-dark: #2F7F6F; --mint: #E6F6F1; --slate: #476480;
  --amber: #B07415; --amber-bg: #FDF3E1; --red: #B3442F; --red-bg: #FBEAE6;
  --display: "Poppins", "Segoe UI", system-ui, sans-serif;
  --body: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --radius: 8px;
}
@media (prefers-color-scheme: dark) { :root {
  --bg: #08151F; --surface: #0F2230; --ink: #E8F1EE; --muted: #9DB3C6; --line: #23394A;
  --mint: #12352F; --teal-dark: #7FD9C3; --amber: #E8B35A; --amber-bg: #3A2C12; --red: #F08A75; --red-bg: #3A1D17;
  color-scheme: dark } }

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--body); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; margin: 0; text-wrap: balance; }
h1 { font-size: 26px; } h2 { font-size: 18px; } h3 { font-size: 15px; }
a { color: var(--teal-dark); }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
[hidden] { display: none !important; }

button, .btn { font: 500 14px/1 var(--body); border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  padding: 10px 14px; min-height: 40px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
button:hover { border-color: var(--teal); }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--teal); outline-offset: 1px; }
button.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
button.accent { background: var(--teal); color: #05111F; border-color: var(--teal); }
button:disabled { opacity: .55; cursor: progress; }
input, select, textarea { font: 15px/1.4 var(--body); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 10px; width: 100%; }
textarea { min-height: 70px; resize: vertical; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; }
label.check input { width: auto; }

/* Sign-in */
.signin { min-height: 100%; display: grid; place-items: center; padding: 24px 16px; }
.signin .card { width: min(420px, 100%); display: grid; gap: 16px; }

/* Shell */
.shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100%; }
.side { border-right: 1px solid var(--line); padding: 20px 14px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 40px; height: 40px; border-radius: 10px; background: var(--mint); padding: 6px; }
.brand b { font-family: var(--display); font-size: 16px; display: block; }
.nav { display: grid; gap: 4px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius); color: var(--ink); text-decoration: none; font-weight: 500; }
.nav a:hover { background: var(--mint); }
.nav a[aria-current="page"] { background: var(--mint); color: var(--teal-dark); }
.nav svg { width: 18px; height: 18px; flex: none; }
.side .foot { margin-top: auto; display: grid; gap: 10px; overflow-wrap: anywhere; }
.status { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; font-size: 13px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); margin-right: 6px; }
.dot.ok { background: var(--teal); } .dot.bad { background: var(--red); }

main { padding: 24px max(16px, 3vw) 48px; min-width: 0; display: grid; gap: 20px; align-content: start; max-width: 1240px; }
.head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.head .tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.monthpick { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.monthpick button { border: 0; min-height: 38px; }
.monthpick span { padding: 0 8px; font-weight: 500; min-width: 120px; text-align: center; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; min-width: 0; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.stat .v { font: 600 28px/1.2 var(--display); margin-top: 6px; }
.grid2 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.stack { display: grid; gap: 12px; }

.chip { display: inline-block; font: 500 12px/1 var(--body); padding: 5px 8px; border-radius: 999px; background: var(--mint); color: var(--teal-dark); white-space: nowrap; }
.chip.amber { background: var(--amber-bg); color: var(--amber); }
.chip.red { background: var(--red-bg); color: var(--red); }
.chip.slate { background: transparent; border: 1px solid var(--line); color: var(--muted); }

.rows { display: grid; }
.row { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.time { font-weight: 600; font-variant-numeric: tabular-nums; }
.ticks { display: flex; gap: 6px; }
.ticks button { min-width: 40px; justify-content: center; }
.ticks button.on { background: var(--teal); border-color: var(--teal); color: #05111F; }
.ticks button.off.on { background: var(--red-bg); border-color: var(--red); color: var(--red); }

.attn { display: grid; gap: 10px; }
.attn > div { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 10px 8px; border-top: 1px solid var(--line); vertical-align: middle; }
th { font: 500 12px/1.2 var(--body); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; border-top: 0; }
td input, td select { min-width: 120px; }
tr.sel td { background: var(--mint); }
tr.click { cursor: pointer; }
.att { width: 36px; height: 36px; padding: 0; justify-content: center; }
.att.yes { background: var(--teal); border-color: var(--teal); color: #05111F; }
.att.no { background: var(--red-bg); border-color: var(--red); color: var(--red); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 16px; align-items: start; }
.form { display: grid; gap: 12px; }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form .actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.sub { border-top: 1px solid var(--line); padding-top: 12px; display: grid; gap: 10px; }
.banner { background: var(--mint); border-radius: var(--radius); padding: 10px 14px; }
.empty { text-align: center; padding: 28px 12px; color: var(--muted); }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(20px + env(safe-area-inset-bottom, 0px)); background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: var(--radius); z-index: 20; max-width: calc(100% - 32px); }
.tabbar { display: none; }

@media (max-width: 1000px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid2, .split { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .side { display: none; }
  main { padding: 16px 16px calc(84px + env(safe-area-inset-bottom, 0px)); }
  .tabbar { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; left: 0; right: 0; bottom: 0; background: var(--surface);
    border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px)); z-index: 10; }
  .tabbar a { display: grid; justify-items: center; gap: 2px; font-size: 11px; color: var(--muted); text-decoration: none; padding: 6px 0; }
  .tabbar a[aria-current="page"] { color: var(--teal-dark); }
  .tabbar svg { width: 22px; height: 22px; }
  .row { grid-template-columns: 56px minmax(0, 1fr); }
  .row .ticks { grid-column: 1 / -1; }
  .form .two { grid-template-columns: 1fr; }
  h1 { font-size: 22px; }
}
@media (prefers-reduced-motion: no-preference) { button { transition: border-color .15s, background .15s; } }