/* Stunited Intern Assessment
   Brand blues from the Stunited logo: #5EC4F4 (sky) and #1A6E9E (deep).
   Atkinson Hyperlegible Next is hosted on this server (SIL Open Font Licence, see assets/fonts/OFL.txt). */
@font-face {
  font-family: 'Atkinson Hyperlegible Next';
  src: url('fonts/atkinson-hyperlegible-next.woff2') format('woff2');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
:root {
  --sky: #5EC4F4;
  --brand: #1A6E9E;
  --brand-dark: #0F4B6E;
  --navy: #0C3550;
  --ink: #102A3A;
  --muted: #4A6070;
  --paper: #F2F7FA;
  --card: #FFFFFF;
  --line: #D2DEE6;
  --ok: #1B6B44;  --ok-bg: #E1F2E8;
  --wait: #7F4E00; --wait-bg: #FBEED6;
  --bad: #A8231A; --bad-bg: #FBE7E5;
  --r: 12px;
  --font: 'Atkinson Hyperlegible Next', 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--ink); background: var(--paper); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; }
h2 { font-size: 1.25rem; font-weight: 800; }
h3 { font-size: 1.05rem; font-weight: 800; margin-top: 1.5em; }
p { margin: 0 0 .8em; }
a { color: var(--brand); text-underline-offset: 2px; }
a:hover { color: var(--brand-dark); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; z-index: 5; }
.skip:focus { left: 8px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 70ch; }
.hint { font-size: .875rem; color: var(--muted); margin: 4px 0 0; }

/* Header and navigation */
header.site { background: var(--navy); color: #fff; border-top: 5px solid var(--sky); }
.site-in { max-width: 1180px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { color: #fff; text-decoration: none; font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; gap: 10px; }
.brand:hover { color: #fff; }
.mark { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--sky) 0 50%, #fff 50% 100%); }
.who { margin-left: auto; font-size: .9rem; color: #CFE6F3; }
.inline { display: inline; margin: 0; }
.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); border-radius: 8px; padding: 6px 12px; font: inherit; font-size: .9rem; cursor: pointer; }
.ghost:hover { background: rgba(255,255,255,.1); }
header.site .tabs { max-width: 1180px; margin: 0 auto; padding: 0 12px; border: 0; }
.tabs { display: flex; gap: 2px; overflow-x: auto; border-bottom: 1px solid var(--line); }
.tabs a { padding: 10px 14px; text-decoration: none; font-weight: 600; white-space: nowrap; border-bottom: 3px solid transparent; }
header.site .tabs a { color: #CFE6F3; }
header.site .tabs a:hover { color: #fff; }
header.site .tabs a.on { color: #fff; border-bottom-color: var(--sky); }
.tabs.inner { margin: 0 0 16px; }
.tabs.inner a { color: var(--muted); }
.tabs.inner a.on { color: var(--ink); border-bottom-color: var(--brand); }
.badge { display: inline-block; min-width: 22px; padding: 0 7px; margin-left: 4px; border-radius: 999px; background: var(--sky); color: var(--navy); font-size: .8rem; font-weight: 800; line-height: 22px; text-align: center; }

main { max-width: 1180px; margin: 0 auto; padding: 28px 20px 100px; }
.site-foot { text-align: center; color: var(--muted); font-size: .85rem; padding: 24px; }

/* Building blocks */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; margin-bottom: 20px; }
.narrow { max-width: 560px; }
.wide-ish { max-width: 760px; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; align-items: start; }
.two > .panel { margin-bottom: 0; }
.two + * { margin-top: 20px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row input, .row select { width: auto; flex: 1; min-width: 160px; }

.btn { display: inline-block; font: inherit; font-weight: 800; text-decoration: none; border: 2px solid var(--brand); border-radius: 10px; padding: 10px 18px; background: var(--brand); color: #fff; cursor: pointer; line-height: 1.3; }
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn.sec { background: #fff; color: var(--brand); }
.btn.sec:hover { background: #EAF5FB; color: var(--brand-dark); }
.btn.sm { padding: 5px 11px; font-size: .875rem; border-radius: 8px; }
.btn.danger, .btn.armed { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn.danger-text { color: var(--bad); border-color: #E3B4AF; }
.btn.light { background: #fff; color: var(--navy); border-color: #fff; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 18px; }

label { display: block; font-weight: 600; margin: 14px 0 4px; }
input, select, textarea { font: inherit; width: 100%; padding: 10px 12px; border: 1.5px solid #B9CAD5; border-radius: 8px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { border-color: var(--brand); }
textarea { min-height: 100px; resize: vertical; }
input.short { max-width: 160px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { width: auto; margin-top: 5px; }
fieldset { border: 0; padding: 0; margin: 0; }

.flash { border-radius: 10px; padding: 12px 16px; margin-bottom: 18px; border-left: 5px solid; }
.flash.ok { background: var(--ok-bg); border-color: var(--ok); }
.flash.err { background: var(--bad-bg); border-color: var(--bad); }
.flash p:last-child, .flash ul:last-child { margin-bottom: 0; }
input.copy { font-size: .85rem; }

.wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .925rem; }
th { text-align: left; font-weight: 700; color: var(--muted); font-size: .85rem; padding: 10px; border-bottom: 2px solid var(--line); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
td.rank { font-weight: 800; color: var(--brand); font-size: 1.1rem; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 700; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.wait { background: var(--wait-bg); color: var(--wait); }
.pill.no { background: var(--bad-bg); color: var(--bad); }
.pill.off { background: #E8EEF2; color: var(--muted); }

/* Login and registration */
.auth { display: grid; grid-template-columns: 1fr minmax(320px, 440px); gap: 56px; align-items: start; max-width: 1000px; margin: 24px auto 0; }
.auth .intro h1 { font-size: clamp(2rem, 5vw, 3rem); color: var(--navy); }
.steps-list { padding-left: 1.3em; color: var(--muted); }
.steps-list li { margin: 6px 0; padding-left: 4px; }
.steps-list li::marker { color: var(--brand); font-weight: 800; }
@media (max-width: 820px) { .auth { grid-template-columns: 1fr; gap: 8px; margin-top: 0; } }

/* Student level staircase: each level sits higher than the last */
.ladder { list-style: none; padding: 0; margin: 28px 0 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: stretch; }
.step { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-top: 8px solid var(--line); border-radius: var(--r); padding: 22px; }
.step:nth-child(1) { margin-top: 72px; }
.step:nth-child(2) { margin-top: 36px; }
.step .lv { font-size: 4rem; font-weight: 800; line-height: .9; color: var(--brand); }
.step .state { font-size: .85rem; font-weight: 800; margin: 10px 0 8px; color: var(--muted); }
.step h2 { font-size: 1.15rem; }
.step .act { margin-top: auto; padding-top: 10px; }
.step .act p { margin: 8px 0 0; }
.step.ready { border-top-color: var(--sky); }
.step.passed { border-top-color: var(--ok); }
.step.passed .lv, .step.passed .state { color: var(--ok); }
.step.wait { border-top-color: #E0A43A; }
.step.wait .state { color: var(--wait); }
.step.locked { background: #F7FAFC; }
.step.locked .lv { color: #A9BAC6; }
@media (max-width: 780px) { .ladder { grid-template-columns: 1fr; } .step:nth-child(n) { margin-top: 0; } }

.facts { padding-left: 1.2em; }
.facts li { margin: 6px 0; }

/* Taking a test */
.q { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; margin: 0 0 16px; }
.q legend { display: contents; }
.q .qn { display: block; font-size: .85rem; font-weight: 700; color: var(--muted); margin-bottom: 6px; }
.q .qt { display: block; font-size: 1.15rem; line-height: 1.6; margin-bottom: 14px; max-width: 75ch; }
.opt { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; margin: 8px 0; cursor: pointer; font-weight: 400; }
.opt:hover { border-color: #9DC4DA; }
.opt input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--brand); }
.opt:has(input:checked) { border-color: var(--brand); background: #E8F4FB; }
.reason-label { margin-top: 16px; }
.bar { position: sticky; bottom: 0; z-index: 2; display: flex; gap: 18px; align-items: center; flex-wrap: wrap; background: var(--navy); color: #fff; padding: 12px 20px; border-radius: var(--r) var(--r) 0 0; border-top: 4px solid var(--sky); }
.bar .timer { font-weight: 800; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.bar .timer.low { color: #FFD08A; }
.bar .timer.low::before { content: '⚠ '; }
.bar .warn { color: #FFD08A; font-weight: 600; }
.bar .btn { margin-left: auto; }
.result.is-pass { border-top: 8px solid var(--ok); }

/* Staff views */
.filters { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.filters > div { flex: 1; min-width: 180px; }
.filters label { margin-top: 0; }
.filters .fbtn { flex: none; min-width: 0; display: flex; gap: 10px; }
.filters .push { margin-left: auto; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 16px 0 0; }
.stats dt { font-size: .85rem; color: var(--muted); }
.stats dd { margin: 2px 0 0; }
.details div { display: grid; grid-template-columns: 120px 1fr; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.details dt { color: var(--muted); }
.details dd { margin: 0; }
.admin-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.admin-actions form { margin: 0; }
.admin-actions select { width: auto; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.row-actions form { margin: 0; }
td.decide { display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; min-width: 210px; }
td.decide form { margin: 0; }
details.reject summary { list-style: none; }
details.reject summary::-webkit-details-marker { display: none; }
details.reject[open] form { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
details.reject label { margin: 0; font-size: .85rem; }

details.attempt { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); margin-bottom: 12px; }
details.attempt > summary { padding: 14px 18px; cursor: pointer; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
details.attempt[open] > summary { border-bottom: 1px solid var(--line); }
details.attempt .body { padding: 6px 18px 18px; }
form.review { margin: 12px 0 6px; }
form.review.needs { background: var(--wait-bg); border: 1px solid #EFD3A1; border-radius: 10px; padding: 16px; }
form.review.needs h3 { margin-top: 0; }

.ans { border-top: 1px solid var(--line); padding: 14px 0; }
.ans .qt { font-size: 1.02rem; margin-bottom: 8px; }
.ans ul { list-style: none; padding: 0; margin: 0; }
.ans li { display: flex; justify-content: space-between; gap: 14px; padding: 7px 10px; border-radius: 8px; margin: 3px 0; }
.ans li.chosen.good { background: var(--ok-bg); }
.ans li.chosen.weak { background: var(--bad-bg); }
.ans .pts { color: var(--muted); white-space: nowrap; font-size: .875rem; }
.ans blockquote { margin: 10px 0 0; padding: 10px 14px; border-left: 4px solid #E0A43A; background: var(--wait-bg); border-radius: 0 8px 8px 0; }
.qcard { display: flex; gap: 16px; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; border-top: 1px solid var(--line); }
.qcard .ans { border: 0; flex: 1; min-width: 260px; }
.qactions { display: flex; gap: 8px; padding-top: 14px; }
.qactions form { margin: 0; }
.two-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .two-fields { grid-template-columns: 1fr; } }
.options-edit { margin-top: 18px; }
.options-edit legend { font-weight: 800; }
.opt-row { display: grid; grid-template-columns: 80px 1fr 80px auto; gap: 8px; align-items: center; margin-top: 8px; }
.opt-row label { margin: 0; }
@media (max-width: 560px) { .opt-row { grid-template-columns: 1fr 70px auto; } .opt-row > label:first-child { grid-column: 1 / -1; } }

/* Dashboard */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi { margin: 0; display: flex; flex-direction: column; gap: 4px; }
.kpi .n { font-size: 2.1rem; font-weight: 800; line-height: 1; color: var(--navy); }
.kpi .l { color: var(--muted); font-size: .9rem; }
a.link-card { text-decoration: none; color: inherit; border-top: 4px solid var(--sky); }
a.link-card:hover { border-color: var(--brand); }
.fbar { display: grid; grid-template-columns: 150px 1fr 40px; gap: 12px; align-items: center; margin: 10px 0; font-size: .92rem; }
.fbar b { text-align: right; }
progress { width: 100%; height: 16px; appearance: none; border: 0; border-radius: 8px; background: #E5EEF3; overflow: hidden; }
progress::-webkit-progress-bar { background: #E5EEF3; border-radius: 8px; }
progress::-webkit-progress-value { background: var(--brand); border-radius: 8px; }
progress::-moz-progress-bar { background: var(--brand); border-radius: 8px; }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
@media print { header.site, .bar, .site-foot { display: none; } body { background: #fff; } }