:root {
  --porcelain: #F5F3EE;
  --porcelain-2: #ECE8E0;
  --paper: #FFFFFF;
  --ink: #0A1C24;
  --graphite: #182C33;
  --teal: #0B746D;
  --teal-dark: #085C56;
  --teal-soft: #E1F0EC;
  --mint: #83E8CE;
  --amber-soft: #FBEBD3;
  --amber-ink: #7A4E0E;
  --danger: #A3392B;
  --danger-soft: #F7E1DD;
  --text: var(--graphite);
  --muted: #4B5D63;
  --line: rgba(24, 44, 51, .13);
  --line-strong: rgba(24, 44, 51, .24);
  --radius: 12px;
  --font: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: Manrope, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.55 var(--font); color: var(--text); background: var(--porcelain); }
h1, h2, h3 { font-family: var(--display); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .8em; }
a { color: var(--teal-dark); }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -50px; background: #fff; padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { top: 8px; }

/* Layout */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px;
  height: 58px; padding: 0 20px; background: var(--ink); color: #EAF2F0;
}
.brand { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-family: var(--display); font-weight: 800; }
.school { color: #A8BEBC; font-size: .9rem; border-left: 1px solid rgba(255,255,255,.2); padding-left: 16px; }
.who { margin-left: auto; display: flex; align-items: center; gap: 14px; font-size: .88rem; }
.who a, .who .linkbtn { color: #EAF2F0; }
.who form { margin: 0; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 6px 12px; min-height: 40px; }
.has-nav { display: grid; grid-template-columns: 220px 1fr; grid-template-rows: auto 1fr; min-height: 100vh; }
.has-nav .topbar { grid-column: 1 / -1; }
.sidenav { padding: 16px 12px; border-right: 1px solid var(--line); background: var(--paper); display: flex; flex-direction: column; gap: 2px; }
.sidenav a { padding: 9px 12px; border-radius: 8px; text-decoration: none; color: var(--text); font-weight: 500; }
.sidenav a:hover { background: var(--porcelain); }
.sidenav a[aria-current="page"] { background: var(--teal-soft); color: var(--teal-dark); font-weight: 600; }
.main { padding: 28px clamp(16px, 3vw, 40px) 60px; max-width: 1240px; width: 100%; }
.no-nav .main { margin: 0 auto; }

/* Building blocks */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.card.narrow, .narrow { max-width: 640px; }
.card-link { display: block; text-decoration: none; color: inherit; }
.card-link:hover { border-color: var(--teal); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid2 > .card { margin-bottom: 0; }
.grid2 + .card, .grid2 + section, .grid2 + h2 { margin-top: 20px; }
.stack-lg { display: grid; gap: 20px; align-content: start; }
.stack-lg > .card { margin: 0; }
.head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.head h1, .head h2 { margin-bottom: .2em; }
.btns { display: flex; flex-wrap: wrap; gap: 8px; }
.mt { margin-top: 20px; }
.mb { margin-bottom: 16px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.big { font-family: var(--display); font-size: 1.4rem; font-weight: 700; margin: 0; }
.pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.ok { color: var(--teal-dark); font-weight: 600; }
.warn { color: var(--amber-ink); font-weight: 600; }
.empty { color: var(--muted); font-style: italic; margin: 0; }
.flash { background: var(--teal-soft); color: var(--teal-dark); border-radius: 10px; padding: 10px 14px; font-weight: 500; }
.errors { background: var(--danger-soft); color: var(--danger); border-radius: 10px; padding: 10px 14px; }
.errors ul { margin: 4px 0 0; padding-left: 20px; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 8px 0; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.list li > form.inline { margin-left: auto; }
.list li:first-child { border-top: 0; }
.columns { columns: 3 200px; margin: 0; padding-left: 18px; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }

.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: flex; flex-direction: column; }
.kpi span { color: var(--muted); font-size: .85rem; }
.kpi strong { font-family: var(--display); font-size: 1.8rem; line-height: 1.2; }
.kpi strong small { font-size: .9rem; color: var(--muted); }
.kpi > small { color: var(--muted); font-size: .8rem; }

.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.chip--present { background: var(--teal-soft); color: var(--teal-dark); }
.chip--late { background: var(--amber-soft); color: var(--amber-ink); }
.chip--absent { background: #E4E7E8; color: var(--graphite); }
.chip--excused { background: #E6EEF7; color: #24476B; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 6px; background: var(--porcelain-2); color: var(--muted); font-size: .78rem; font-weight: 600; }
.tag--ok { background: var(--teal-soft); color: var(--teal-dark); }
.tag--school { background: #E6EEF7; color: #24476B; }

/* Tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { text-align: left; padding: 9px 10px; border-top: 1px solid var(--line); vertical-align: top; }
.table thead th { border-top: 0; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.table tbody th { font-weight: 500; }
.table .actions { white-space: nowrap; }
.gradebook th, .gradebook td { white-space: nowrap; }
.grading textarea { min-width: 220px; }
.score { width: 90px; }

/* Forms */
.stack { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
label { display: grid; gap: 5px; font-weight: 500; font-size: .92rem; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
input, select, textarea {
  font: inherit; color: inherit; background: #fff; border: 1px solid var(--line-strong); border-radius: 9px;
  padding: 9px 11px; min-height: 42px; width: 100%;
}
input[type=checkbox], input[type=radio] { width: auto; min-height: 0; }
textarea { resize: vertical; }
.filters { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin-bottom: 16px; }
.filters label { min-width: 180px; }
.inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; }
.inline { display: inline; margin: 0; }
.copy { display: flex; gap: 8px; margin: 12px 0; }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.checklist.scroll { max-height: 320px; overflow: auto; border: 1px solid var(--line); border-radius: 9px; padding: 6px 10px; }
.checklist li { padding: 4px 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 42px; padding: 0 18px;
  border-radius: 10px; border: 1px solid var(--teal); background: var(--teal); color: #fff; font: 600 .95rem var(--font);
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--teal-dark); }
.btn-small { min-height: 36px; padding: 0 12px; font-size: .88rem; }
.btn-outline { background: transparent; color: var(--teal-dark); }
.btn-outline:hover { background: var(--teal-soft); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #82291d; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--teal-dark); text-decoration: underline; cursor: pointer; font: inherit; }
details > summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
details[open] > summary { margin-bottom: 12px; }

/* Attendance segmented control */
.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 9px; overflow: hidden; margin: 0; padding: 0; }
.seg-opt { display: block; position: relative; font-weight: 500; }
.seg-opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg-opt span { display: block; padding: 7px 12px; border-left: 1px solid var(--line); font-size: .85rem; }
.seg-opt:first-of-type span { border-left: 0; }
.seg-opt input:focus-visible + span { outline: 3px solid var(--teal); outline-offset: -3px; }
.seg-present input:checked + span { background: var(--teal); color: #fff; }
.seg-late input:checked + span { background: #E9B46B; color: #3a2606; }
.seg-absent input:checked + span { background: var(--graphite); color: #fff; }
.seg-excused input:checked + span { background: #2F5C8A; color: #fff; }
.att-table td { vertical-align: middle; }

/* Announcements feed */
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { padding: 12px 0; border-top: 1px solid var(--line); }
.feed li:first-child { border-top: 0; padding-top: 0; }
.feed-meta { font-size: .82rem; color: var(--muted); margin-bottom: 4px; }
.feed h3 { margin-bottom: 4px; }

/* Parent dashboard */
.child { margin-bottom: 28px; }
.child-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.child-head .btn { margin-left: auto; }

/* Auth pages */
.auth { max-width: 420px; margin: 8vh auto 0; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }

/* Report card */
.report { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.report-head { display: flex; justify-content: space-between; align-items: start; }
.facts { display: flex; flex-wrap: wrap; gap: 12px 32px; margin: 0 0 20px; }
.facts dt { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.facts dd { margin: 0; font-weight: 600; }

@media (max-width: 1100px) {
  .grid2 { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 800px) {
  .has-nav { display: block; }
  .nav-toggle { display: inline-flex; align-items: center; }
  .who, .school { display: none; }
  .sidenav { display: none; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav-open .sidenav { display: flex; }
  .nav-open .who { display: flex; position: static; flex-wrap: wrap; padding: 8px 20px; background: var(--ink); }
  .nav-open .topbar { flex-wrap: wrap; height: auto; padding: 10px 20px; }
  .main { padding-top: 20px; }
  h1 { font-size: 1.45rem; }
  .att-table thead { display: none; }
  .att-table tr { display: grid; gap: 6px; padding: 10px 0; border-top: 1px solid var(--line); }
  .att-table td { border: 0; padding: 0; }
  .seg { display: flex; width: 100%; }
  .seg-opt { flex: 1; text-align: center; }
}

@media print {
  .topbar, .sidenav, .no-print, .flash { display: none !important; }
  .has-nav { display: block; }
  body { background: #fff; }
  .report { border: 0; padding: 0; }
}