:root{
  --bg:#DCE8F8; --surface:#F5F9FF; --ink:#16284A; --muted:#51627F;
  --tile:#E9C98B; --tile-edge:#B98F48; --tile-ink:#3A2A10;
  --good:#2E7D4F; --bad:#C2392F; --accent:#1F5BD1; --line:#B3C9E8;
  --display:"Bricolage Grotesque", "Trebuchet MS", system-ui, sans-serif;
  --body:"Atkinson Hyperlegible", Verdana, system-ui, sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1A2E; --surface:#16253F; --ink:#E4ECF8; --muted:#9AAECB;
    --tile:#D9B670; --tile-edge:#8E6A2C; --tile-ink:#2B1E08;
    --good:#5CC48A; --bad:#F07467; --accent:#8DB4FA; --line:#2A4170;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1A2E; --surface:#16253F; --ink:#E4ECF8; --muted:#9AAECB;
  --tile:#D9B670; --tile-edge:#8E6A2C; --tile-ink:#2B1E08;
  --good:#5CC48A; --bad:#F07467; --accent:#8DB4FA; --line:#2A4170;
}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:1.125rem;line-height:1.5}
main{max-width:44rem;margin:0 auto;padding:1.5rem 1.25rem 3rem}
h1,h2{font-family:var(--display);line-height:1.1;margin:0}
h1{font-size:clamp(2rem,6vw,2.75rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:1.5rem;font-weight:800;margin-bottom:.75rem}
p{margin:.5rem 0}
.muted{color:var(--muted)}
button,select,textarea,input{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* tiles: the one memorable thing */
.tiles{display:flex;flex-wrap:wrap;gap:.35rem;min-height:3.4rem;align-items:center}
.tile{width:2.6rem;height:2.9rem;display:grid;place-items:center;background:var(--tile);color:var(--tile-ink);
  border-radius:.4rem;box-shadow:0 .2rem 0 var(--tile-edge);font-family:var(--display);font-weight:800;font-size:1.5rem;text-transform:uppercase}
.tile.blank{background:transparent;box-shadow:none;border:2px dashed var(--line)}
.tile.ok{background:var(--good);color:#fff;box-shadow:0 .2rem 0 color-mix(in srgb,var(--good) 60%,#000)}
.tile.no{background:var(--bad);color:#fff;box-shadow:0 .2rem 0 color-mix(in srgb,var(--bad) 60%,#000)}
.tile.pop{animation:pop .14s ease-out}
@keyframes pop{from{transform:translateY(-.25rem) scale(1.08)}to{transform:none}}
@media (prefers-reduced-motion: reduce){.tile.pop{animation:none}}
.title-tiles .tile{width:2.2rem;height:2.4rem;font-size:1.25rem}

header{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.5rem}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.25rem}
.stack>*+*{margin-top:1rem}

.modes{display:grid;gap:.6rem}
.mode{display:flex;gap:.9rem;align-items:flex-start;text-align:left;width:100%;padding:.9rem 1rem;border:2px solid var(--line);
  background:transparent;border-radius:.75rem;cursor:pointer}
.mode[aria-pressed="true"]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.mode strong{display:block;font-family:var(--display);font-size:1.15rem}
.mode span{color:var(--muted);font-size:1rem}
.mode .glyph{flex:none;width:2.2rem;height:2.4rem;font-size:1.1rem}

textarea{width:100%;min-height:12rem;padding:.75rem;border:2px solid var(--line);border-radius:.6rem;background:var(--bg);resize:vertical;line-height:1.5;font-size:1rem}
label{font-weight:700}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.btn{padding:.7rem 1.2rem;border-radius:.6rem;border:2px solid var(--ink);background:var(--ink);color:var(--surface);font-weight:700;cursor:pointer}
.btn.ghost{background:transparent;color:var(--ink)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.small{font-size:.95rem}
.error{color:var(--bad);font-weight:700}

.hud{display:flex;justify-content:space-between;gap:1rem;color:var(--muted);font-size:1rem;margin-bottom:1rem}
.hud b{color:var(--ink)}
.bar{height:.4rem;background:var(--line);border-radius:1rem;overflow:hidden;margin-bottom:1.25rem}
.bar i{display:block;height:100%;background:var(--accent);width:0;transition:width .25s}

.prompt{font-size:1.3rem;margin:.25rem 0 1rem}
.prompt.word{font-family:var(--display);font-weight:800;font-size:2rem}
.answer{width:100%;padding:.8rem 1rem;border:2px solid var(--line);border-radius:.6rem;background:var(--bg);font-size:1.3rem;letter-spacing:.04em}
.choices{display:grid;gap:.6rem}
.choice{text-align:left;padding:.85rem 1rem;border:2px solid var(--line);border-radius:.6rem;background:transparent;cursor:pointer;font-size:1.05rem}
.choice:hover:not(:disabled){border-color:var(--accent)}
.choice.ok{border-color:var(--good);background:color-mix(in srgb,var(--good) 14%,transparent)}
.choice.no{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 14%,transparent)}
.feedback{min-height:1.6rem;font-weight:700;margin-top:1rem}
.feedback.ok{color:var(--good)} .feedback.no{color:var(--bad)}

.missed{list-style:none;padding:0;margin:0}
.missed li{padding:.6rem 0;border-bottom:1px solid var(--line)}
.missed li:last-child{border-bottom:0}
.missed b{font-family:var(--display);font-size:1.15rem}
.score{font-family:var(--display);font-weight:800;font-size:3.5rem;line-height:1}
[hidden]{display:none !important}


.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.pick,.field{padding:.6rem .75rem;border:2px solid var(--line);border-radius:.6rem;background:var(--bg);font-size:1rem}
.pick{flex:1 1 12rem;min-width:0}
.field{width:100%;margin-top:.25rem}
.drop{border:2px dashed var(--line);border-radius:.75rem;padding:1rem}
.drop.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.link{color:var(--accent);text-decoration:underline;cursor:pointer;font-weight:700}

/* ---- shared additions ---- */
table{width:100%;border-collapse:collapse;font-size:1rem}
th,td{text-align:left;padding:.55rem .4rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:700;color:var(--muted)}
.scroll{overflow-x:auto}
.check{display:flex;gap:.6rem;align-items:center;font-weight:400}
.check input{width:1.2rem;height:1.2rem;accent-color:var(--accent)}
.grid2{display:grid;gap:1rem}
@media (min-width:56rem){ .admin main{max-width:64rem} .grid2{grid-template-columns:16rem 1fr} }
.listnav{display:flex;flex-direction:column;gap:.35rem}
.listnav button{text-align:left;padding:.6rem .75rem;border:2px solid transparent;border-radius:.6rem;background:transparent;cursor:pointer}
.listnav button[aria-current="true"]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.listnav small{display:block;color:var(--muted)}
.badge{display:inline-block;font-size:.8rem;padding:.05rem .45rem;border-radius:1rem;background:var(--tile);color:var(--tile-ink);font-weight:700;margin-left:.3rem}
.hello{font-family:var(--display);font-weight:800;font-size:clamp(1.6rem,5vw,2.2rem);line-height:1.15;margin:.25rem 0 1rem}
.kidmodes .mode{padding:1.1rem 1rem}