@font-face { font-family: 'Archivo'; src: url(fonts/archivo.woff2) format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Space Mono'; src: url(fonts/space-mono.woff2) format('woff2'); font-weight: 400; font-display: swap; }

:root {
  /* tsukumo — Concrete & Acid */
  --ink: #121212; --ink2: #1B1A18; --line: #2E2C29; --edge: #45423D;
  --text: #F3F1EA; --mute: #B8B3A8; --acc: #C8FF00; --bad: #FF5A36;
  --sans: 'Archivo', 'Helvetica Neue', Arial, system-ui, sans-serif;
  --serif: var(--sans);
  --mono: 'Space Mono', ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--ink); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body {
  min-height: 100dvh; display: flex; flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 560px; margin: 0 auto; padding: 28px 20px 40px; display: flex; flex-direction: column; gap: 22px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 15px; color: var(--mute); }
.wm { display: inline-flex; align-items: center; gap: 8px; font: 800 20px/1 var(--sans); letter-spacing: -.02em; color: var(--text); }
.wm i { width: 12px; height: 12px; background: var(--acc); }
header { font-family: var(--mono); font-size: 13px; }
h1 { font: 800 40px/.98 var(--sans); margin: 0; letter-spacing: -.035em; }
h1 em { font-style: normal; color: var(--acc); }
p { margin: 0; font-size: 17px; line-height: 1.5; color: var(--mute); }
a { color: var(--acc); }
.q { font-size: 21px; line-height: 1.4; color: var(--text); font-weight: 500; }

.opts { display: flex; flex-direction: column; gap: 12px; }
.opt {
  appearance: none; width: 100%; text-align: left; font: 600 19px/1.3 var(--sans); color: var(--text);
  background: var(--ink2); border: 2px solid var(--edge); border-radius: 0; padding: 18px 18px;
  display: grid; grid-template-columns: 30px 1fr 24px; align-items: center; gap: 10px; cursor: pointer;
  transition: border-color .2s, background .2s, transform .1s;
}
.opt:active { transform: scale(.985); }
.opt .k { font: 700 16px/1 var(--mono); color: var(--acc); }
.opt .tick { opacity: 0; color: var(--ink); background: var(--acc); width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 14px; }
.opt.chosen { border-color: var(--acc); background: rgba(200,255,0,.08); }
.opt.chosen .tick { opacity: 1; }
.opt:focus-visible, .btn:focus-visible, input:focus-visible { outline: 3px solid var(--acc); outline-offset: 2px; }
.opt[disabled] { opacity: .5; cursor: default; }

.status { font-size: 15px; color: var(--mute); min-height: 22px; }
.status.ok { color: var(--acc); }
.status.err { color: var(--bad); }

.card { border: 1px solid var(--line); border-radius: 0; padding: 18px; background: var(--ink2); display: flex; flex-direction: column; gap: 10px; }
.btn {
  appearance: none; display: block; width: 100%; text-align: center; text-decoration: none; cursor: pointer;
  font: 700 18px/1 var(--sans); color: #0E1100; background: var(--acc); border: 0; border-radius: 0; padding: 18px;
}
.btn.ghost { background: transparent; color: var(--text); border: 2px solid var(--edge); }
.btn[disabled] { opacity: .6; cursor: progress; }
.links { display: flex; flex-direction: column; gap: 10px; }

form { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 15px; color: var(--mute); }
input[type=text], input[type=email] {
  font: 500 18px/1.2 var(--sans); color: var(--text); background: var(--ink2);
  border: 2px solid var(--edge); border-radius: 0; padding: 14px; width: 100%;
}
input:-webkit-autofill { -webkit-box-shadow: 0 0 0 1000px var(--ink2) inset; -webkit-text-fill-color: var(--text); }
.check { flex-direction: row; align-items: flex-start; gap: 12px; font-size: 15px; line-height: 1.45; color: var(--text); }
.check input { width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--acc); flex: none; }
.hp { position: absolute; left: -9999px; }
.fine { font-size: 13px; color: var(--mute); }
footer { text-align: center; font-size: 13px; color: var(--mute); padding: 0 20px 24px; }
[hidden] { display: none !important; }

.res { display: flex; flex-direction: column; }
.res .r { display: flex; flex-direction: column; gap: 3px; padding: 14px 0; border-top: 1px solid var(--line); text-decoration: none; }
.res .r:last-child { border-bottom: 1px solid var(--line); }
.res .w { font: 400 13px/1.2 var(--mono); color: var(--acc); }
.res .t { font: 600 17px/1.35 var(--sans); color: var(--text); }
.res .h { font-size: 13px; color: var(--mute); }

.count { font: 400 15px/1.4 var(--mono); color: var(--mute); margin-top: 6px; }
.count b { font: 800 28px/1 var(--sans); color: var(--acc); margin-right: 4px; }