/* Spelling List Practice.
   Layout: Roji brand header, then one column a child can follow top to bottom: the list, the game, sharing.
   The answer box sits on handwriting-paper lines (top line, dashed middle line, baseline). */
:root{
  --navy:#1D5B8D; --sky:#0B7CC9; --green:#3CC47C; --green-ink:#1E8A52;
  --bg:#EEF5FB; --surface:#FFFFFF; --ink:#16324A; --muted:#557089; --line:#CFE0EE; --field:#F7FBFE; --tint:#E3EFF9;
  --on-navy:#FFFFFF; --warn-bg:#FFF1CC; --warn-ink:#7A5400; --ok-bg:#DDF5E8; --ok-ink:#15693F;
  --miss:#E2573B; --miss-bg:#FFE7E0; --miss-ink:#8F2A12;
  --tile:#0B7CC9; --tile-edge:#12344F; --tile-ink:#FFFFFF; --rule:#9CC3E2; --rule-mid:#F0A99A;
  --title-fill:#0B7CC9; --title-stroke:#12344F;
  --shadow:0 1px 0 #d7e6f2, 0 10px 30px -18px rgba(29,91,141,.45);
  --f-display:"Luckiest Guy","Arial Rounded MT Bold","Trebuchet MS",sans-serif;
  --f-body:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1B27; --surface:#15283A; --ink:#E6F0F8; --muted:#9BB3C8; --line:#27425A; --field:#10202F; --tint:#1B3247;
  --navy:#5CADE2; --sky:#5CADE2; --green-ink:#5FD897; --on-navy:#06121C;
  --warn-bg:#3B3013; --warn-ink:#F4CF6E; --ok-bg:#153B2A; --ok-ink:#7FE3AE;
  --miss:#FF8A70; --miss-bg:#43201A; --miss-ink:#FFC2B3;
  --tile:#2A78B4; --tile-edge:#06121C; --tile-ink:#FFFFFF; --rule:#3A6283; --rule-mid:#8A5347;
  --title-fill:#5CADE2; --title-stroke:#06121C; --shadow:0 12px 30px -20px rgba(0,0,0,.8); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1B27; --surface:#15283A; --ink:#E6F0F8; --muted:#9BB3C8; --line:#27425A; --field:#10202F; --tint:#1B3247;
  --navy:#5CADE2; --sky:#5CADE2; --green-ink:#5FD897; --on-navy:#06121C;
  --warn-bg:#3B3013; --warn-ink:#F4CF6E; --ok-bg:#153B2A; --ok-ink:#7FE3AE;
  --miss:#FF8A70; --miss-bg:#43201A; --miss-ink:#FFC2B3;
  --tile:#2A78B4; --tile-edge:#06121C; --tile-ink:#FFFFFF; --rule:#3A6283; --rule-mid:#8A5347;
  --title-fill:#5CADE2; --title-stroke:#06121C; --shadow:0 12px 30px -20px rgba(0,0,0,.8); color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;font-weight:500;line-height:1.5;-webkit-text-size-adjust:100%}
.wrap{max-width:820px;margin:0 auto;padding-inline:clamp(16px,3vw,32px);padding-block:12px 40px}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:2px}
p{margin:0}

/* ---------- brand header (same on every Roji tool) ---------- */
.brandbar{display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:800;color:var(--navy);font-size:.9rem}
.brandbar a{color:inherit;text-decoration:none}
.brandbar .kit{letter-spacing:.08em;text-transform:uppercase;font-size:.72rem;color:var(--muted)}
.hero{display:flex;align-items:center;margin-block:4px 10px}
.hero-text{flex:1;min-width:0;padding-bottom:clamp(8px,2vw,20px)}
.eyebrow{font-weight:800;color:var(--green-ink);letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}
h1{font-family:var(--f-display);font-weight:400;font-size:clamp(2.1rem,6vw,3.6rem);line-height:.95;margin:4px 0 10px;
  color:var(--title-fill);-webkit-text-stroke:2px var(--title-stroke);paint-order:stroke fill;letter-spacing:.01em;text-wrap:balance;text-shadow:0 3px 0 var(--title-stroke)}
h1 .grades{display:inline-block;font-size:.42em;letter-spacing:.03em;-webkit-text-stroke:0;text-shadow:none;color:var(--navy);vertical-align:.35em;white-space:nowrap}
.tagline{color:var(--muted);font-weight:700;max-width:58ch}
.roji{flex:0 0 auto;width:clamp(100px,20vw,190px);display:block}
.roji img{width:100%;height:auto;display:block;filter:drop-shadow(0 8px 12px rgba(18,52,79,.18))}

.example{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;background:var(--warn-bg);color:var(--warn-ink);
  border-radius:14px;padding:10px 14px;font-weight:700;margin-bottom:16px}
.example .btn.ghost{color:var(--warn-ink);border-color:currentColor}

/* ---------- panels ---------- */
.stack{display:grid;gap:18px}
.panel{background:var(--surface);border-radius:18px;box-shadow:var(--shadow);padding:16px 20px 20px;min-width:0;display:grid;gap:12px}
.panelhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.panel h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--green-ink);margin:0;font-weight:800}
.grp{display:grid;gap:10px}
.hint{font-weight:600;font-size:.88rem;color:var(--muted);max-width:65ch}
.hint:empty,.note:empty,.listsum:empty{display:none}
.note{background:var(--warn-bg);color:var(--warn-ink);border-radius:10px;padding:8px 12px;font-weight:700;font-size:.9rem}
.listsum{font-weight:800;font-size:1.05rem}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{font-size:1rem;font-weight:800;border:2px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:9px 16px;min-height:48px;cursor:pointer;flex:1 1 auto}
.seg button[aria-pressed="true"]{background:var(--navy);color:var(--on-navy);border-color:var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:.95rem;font-weight:800;border:2px solid var(--navy);background:var(--navy);color:var(--on-navy);
  border-radius:12px;padding:9px 16px;min-height:46px;cursor:pointer;text-decoration:none}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.small{font-size:.88rem;padding:6px 12px;min-height:44px}
.btn.go{background:var(--green);border-color:var(--green);color:#06301B;font-size:1.1rem;padding-inline:28px}
.btn.big{font-size:1.15rem;padding:12px 22px;min-height:56px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.actions.center{justify-content:center}

.field{display:grid;gap:4px;min-width:0}
.field>span{font-size:.82rem;font-weight:800;color:var(--muted)}
.field.inline{display:flex;align-items:center;gap:8px}
.field input,.field textarea,.field select{font-size:1.05rem;font-weight:700;color:var(--ink);background:var(--field);border:2px solid var(--line);border-radius:10px;padding:8px 12px;width:100%;min-width:0;min-height:46px}
.field textarea{line-height:1.6;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--sky) 25%,transparent)}
::placeholder{color:var(--muted);opacity:.6;font-weight:600}
.opt{display:flex;align-items:center;gap:10px;min-height:44px;font-weight:700;cursor:pointer}
.opt input{width:22px;height:22px;accent-color:var(--navy);flex:none}

/* ---------- the game ---------- */
.emptybox{border:2px dashed var(--line);border-radius:14px;padding:22px;text-align:center;font-weight:700;color:var(--muted)}
#game{display:grid;gap:14px;justify-items:center;text-align:center}
#game>*{min-width:0;max-width:100%}
.progress{width:100%;display:grid;gap:6px;font-weight:800;font-size:.9rem;color:var(--muted);text-align:left}
.bar{height:10px;border-radius:999px;background:var(--tint);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--green);border-radius:999px;transition:width .3s}
.ask{font-weight:800;font-size:1.1rem}
.prompt{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:flex-end;min-height:60px}
.prompt:empty{display:none}
.tile,.slot{font-family:var(--f-body);font-weight:800;font-size:clamp(1.6rem,7vw,2.2rem);line-height:1;width:clamp(42px,11vw,58px);height:clamp(48px,12.5vw,64px);
  display:grid;place-items:center;border-radius:12px;padding:0 0 .08em;text-transform:lowercase}
.tile{background:var(--tile);color:var(--tile-ink);border:0;box-shadow:0 5px 0 var(--tile-edge);cursor:pointer}
.tile:active{transform:translateY(3px);box-shadow:0 2px 0 var(--tile-edge)}
.tile[disabled]{background:var(--tint);color:transparent;box-shadow:inset 0 0 0 2px var(--line);cursor:default;transform:none}
.slot{background:var(--field);color:var(--ink);box-shadow:inset 0 0 0 2px var(--line);text-transform:none}
.slot.blank{background:var(--surface);box-shadow:inset 0 -5px 0 var(--navy),inset 0 0 0 2px var(--line)}
.slot.gap{width:16px;background:transparent;box-shadow:none}
.slot.bad{background:var(--miss-bg);color:var(--miss-ink);box-shadow:inset 0 0 0 2px var(--miss);text-decoration:line-through}
.slot.good{background:var(--ok-bg);color:var(--ok-ink);box-shadow:inset 0 0 0 2px var(--green)}
.clue{font-weight:700;color:var(--muted)}
.clue b{color:var(--ink)}
.answer{display:grid;gap:14px;width:100%;justify-items:center}
/* handwriting paper: top line, dashed middle line, baseline */
#answer{width:min(100%,460px);font-size:clamp(1.7rem,7vw,2.3rem);font-weight:800;letter-spacing:.08em;text-align:center;color:var(--ink);
  border:0;border-radius:0;height:84px;padding:0 6px;background-color:transparent;
  background-image:linear-gradient(var(--rule),var(--rule)),repeating-linear-gradient(90deg,var(--rule-mid) 0 10px,transparent 10px 18px),linear-gradient(var(--rule),var(--rule));
  background-size:100% 2px,100% 2px,100% 3px;background-position:0 12px,0 41px,0 70px;background-repeat:no-repeat}
#answer:focus{outline:none;background-image:linear-gradient(var(--sky),var(--sky)),repeating-linear-gradient(90deg,var(--rule-mid) 0 10px,transparent 10px 18px),linear-gradient(var(--sky),var(--sky))}
#answer::placeholder{font-size:1.1rem;letter-spacing:0}
.feedback{min-height:2.6em;font-weight:800;font-size:1.05rem;border-radius:12px;padding:8px 14px;max-width:46ch;text-wrap:balance}
.feedback:empty{visibility:hidden}
.feedback[data-kind="yes"]{background:var(--ok-bg);color:var(--ok-ink)}
.feedback[data-kind="no"]{background:var(--warn-bg);color:var(--warn-ink)}
.feedback[data-kind="look"]{background:var(--tint);color:var(--ink)}
.gameopts{display:flex;flex-wrap:wrap;gap:6px 20px;justify-content:center;align-items:center}
.gameopts .field select{width:auto;max-width:240px;font-size:.92rem}
.done{display:grid;gap:12px;justify-items:center;text-align:center;padding-block:8px}
.done .big{font-family:var(--f-display);font-size:clamp(1.7rem,6vw,2.4rem);line-height:1.05;color:var(--navy);text-wrap:balance}
.done #doneSay{font-weight:700}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chips:empty{display:none}
.chips li{background:var(--tint);border-radius:999px;padding:6px 14px;font-weight:800;font-size:1.05rem}

/* ---------- share ---------- */
.toast:empty{display:none}
.toast{background:var(--ok-bg);color:var(--ok-ink);border-radius:10px;padding:8px 12px;font-weight:700;font-size:.9rem}
.copybox{min-height:76px;font-size:.8rem;font-weight:600;word-break:break-all;color:var(--ink);background:var(--field);border:2px solid var(--line);border-radius:10px;padding:9px 10px;width:100%}
.qr{margin:0;display:grid;gap:6px;justify-items:center;font-weight:800;color:var(--muted);font-size:.9rem}
.qr canvas{width:min(100%,240px);height:auto;border-radius:10px;border:2px solid var(--line);image-rendering:pixelated;background:#fff}
.how{background:var(--surface);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow)}
.how summary{cursor:pointer;font-weight:800;color:var(--navy);min-height:28px}
.how p{margin-top:8px;max-width:65ch}
.how ul{margin:8px 0 0;padding-left:1.2em;display:grid;gap:4px}

footer.site{margin-top:28px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.85rem;font-weight:700}
footer.site span{max-width:60ch}
footer.site a{color:var(--navy)}
@media (max-width:520px){.panel{padding-inline:14px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- printed practice sheet (US Letter). Fixed paper colors: this is what prints. ---------- */
.sheet{display:none}
@page{size:letter;margin:.5in}
@media print{
  html{padding:0}
  body{background:#fff;color:#16324A}
  .wrap{display:none!important}
  .sheet{display:block;font-family:var(--f-body);color:#16324A;font-size:11pt;line-height:1.35}
  .sh-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;border-bottom:2px solid #1D5B8D;padding-bottom:6px}
  .sh-eyebrow{font-size:8.5pt;text-transform:uppercase;letter-spacing:.09em;font-weight:800;color:#4F6A82}
  .sh-title{font-family:var(--f-display);font-weight:400;font-size:20pt;line-height:1;color:#1D5B8D;margin:2px 0 0}
  .sh-name{font-weight:700;white-space:nowrap;font-size:10pt}
  .sh-name i{display:inline-block;width:1.9in;border-bottom:1.5px solid #16324A}
  .sh-how{margin:8px 0 4px;font-weight:700;font-size:10pt}
  .sh-table{width:100%;border-collapse:collapse}
  .sh-table th{font-size:8.5pt;text-align:left;color:#4F6A82;padding:4px 6px;border-bottom:1.5px solid #C5D6E5;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
  .sh-table td{padding:0 6px;height:.27in;border-bottom:1px solid #9CB6CC;font-weight:800;font-size:12pt;width:28%}
  .sh-table td.n{width:5%;color:#4F6A82;font-size:9pt}
  .sh-table.tight td{height:.225in;font-size:11pt}
  .sh-table tr{break-inside:avoid}
  .sh-foot{margin-top:10px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:800;color:#1D5B8D;font-size:9pt;border-top:1px solid #C5D6E5;padding-top:8px}
  .sh-foot .who{display:flex;align-items:center;gap:8px}
  .sh-foot .who img{width:22pt;height:22pt;border-radius:50%}
  .sh-foot .scan{display:flex;align-items:center;gap:8px;color:#16324A;text-align:right}
  .sh-foot .scan img{width:.95in;height:.95in;image-rendering:pixelated}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}