/* d426 drill · karrylab theme
   Tune the look from the tokens below. If your dashboard uses different hex values,
   copy its :root variables over these and everything follows. */
:root {
  --ink: #0b1118;
  --ink-2: #111a25;
  --glass: rgba(255, 255, 255, 0.055);
  --glass-strong: rgba(255, 255, 255, 0.09);
  --edge: rgba(255, 255, 255, 0.13);
  --edge-soft: rgba(255, 255, 255, 0.07);
  --text: #ece7da;
  --muted: #94a0ae;
  --brass: #d9b26a;
  --brass-dim: rgba(217, 178, 106, 0.16);
  --ok: #58d0c0;
  --ok-dim: rgba(88, 208, 192, 0.14);
  --bad: #ef7a67;
  --bad-dim: rgba(239, 122, 103, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--ink);
  color: var(--text);
  font: 16px/1.55 var(--sans);
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

.bg {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(60rem 38rem at 12% -8%, rgba(217, 178, 106, 0.16), transparent 60%),
    radial-gradient(52rem 40rem at 105% 8%, rgba(88, 208, 192, 0.12), transparent 62%),
    radial-gradient(40rem 30rem at 50% 115%, rgba(80, 110, 190, 0.14), transparent 60%),
    var(--ink);
}
.bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--edge-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--edge-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at 50% 20%, #000 0%, transparent 70%);
  opacity: 0.5;
}

/* HUD strip */
.hud {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1.4rem; align-items: center;
  padding: 0.65rem clamp(1rem, 4vw, 2rem);
  font: 0.72rem/1.3 var(--mono); letter-spacing: 0.08em; color: var(--muted);
  border-bottom: 1px solid var(--edge-soft);
  background: rgba(11, 17, 24, 0.55);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.hud-grow { flex: 1; }
.hud .ok { color: var(--ok); }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); margin-right: 0.45rem; box-shadow: 0 0 10px var(--ok); }

main { flex: 1; width: 100%; max-width: 880px; margin: 0 auto; padding: clamp(1.25rem, 4vw, 2.5rem) clamp(1rem, 4vw, 1.5rem) 3rem; outline: none; }
.boot { color: var(--muted); font-family: var(--mono); }

.foot {
  display: flex; flex-wrap: wrap; gap: 0.3rem 1.4rem; justify-content: center;
  padding: 1rem; font: 0.7rem/1.3 var(--mono); letter-spacing: 0.08em; color: var(--muted);
  border-top: 1px solid var(--edge-soft);
}

/* Type */
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: clamp(2.1rem, 6vw, 3.1rem); line-height: 1.05; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
.mono { font-family: var(--mono); }
.sub { color: var(--muted); margin: 0.6rem 0 0; max-width: 56ch; }
.tag { font: 0.72rem/1 var(--mono); letter-spacing: 0.1em; color: var(--brass); }

.hero { margin-bottom: 1.75rem; }
.hero .tag { display: block; margin-bottom: 0.8rem; }

/* Panels */
.card {
  background: var(--glass);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: clamp(1rem, 3vw, 1.5rem);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.card + .card, .stack > * + * { margin-top: 1rem; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 0.9rem; }
.card-head .note { color: var(--muted); font-size: 0.88rem; }

/* Buttons */
.btn {
  appearance: none; cursor: pointer; font: 600 0.95rem/1 var(--sans);
  padding: 0.85rem 1.2rem; border-radius: 12px; border: 1px solid var(--edge);
  color: var(--text); background: var(--glass-strong);
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  min-height: 44px;
}
.btn:hover { background: rgba(255, 255, 255, 0.14); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--brass); color: #1a1408; border-color: var(--brass); }
.btn.primary:hover { background: #e6c07a; }
.btn.ghost { background: transparent; }
.btn.small { padding: 0.55rem 0.8rem; font-size: 0.85rem; min-height: 38px; }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; }
.btn.danger { color: var(--bad); border-color: rgba(239, 122, 103, 0.4); background: transparent; }

:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

/* Setup */
.count-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.count-row input[type="range"] { flex: 1 1 220px; accent-color: var(--brass); height: 28px; }
.count-row input[type="number"] {
  width: 5.5rem; padding: 0.6rem 0.7rem; border-radius: 10px; border: 1px solid var(--edge);
  background: rgba(0, 0, 0, 0.25); color: var(--text); font: 600 1.1rem var(--mono); text-align: center;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.chip {
  cursor: pointer; font: 0.85rem var(--mono); padding: 0.5rem 0.85rem; border-radius: 999px;
  background: transparent; color: var(--muted); border: 1px solid var(--edge);
}
.chip:hover { color: var(--text); }
.chip[aria-pressed="true"] { background: var(--brass-dim); color: var(--brass); border-color: rgba(217, 178, 106, 0.5); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.checks { display: grid; gap: 0.15rem; }
.check { display: flex; align-items: flex-start; gap: 0.7rem; padding: 0.55rem 0.4rem; border-radius: 10px; cursor: pointer; }
.check:hover { background: var(--edge-soft); }
.check input { width: 1.15rem; height: 1.15rem; margin-top: 0.2rem; accent-color: var(--brass); flex: none; }
.check .lbl { flex: 1; }
.check .cnt { font: 0.8rem var(--mono); color: var(--muted); }
.check small { display: block; color: var(--muted); font-size: 0.82rem; }
.check.off { opacity: 0.5; cursor: not-allowed; }

.start-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; justify-content: space-between; }
.start-row .note { color: var(--muted); font-size: 0.92rem; }

.banner { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1rem; justify-content: space-between; border-color: rgba(217, 178, 106, 0.45); background: var(--brass-dim); }
.banner p { margin: 0; }

.hist { list-style: none; margin: 0; padding: 0; }
.hist li { display: grid; grid-template-columns: 1fr auto auto; gap: 1rem; align-items: baseline; padding: 0.6rem 0; border-top: 1px solid var(--edge-soft); font-size: 0.92rem; }
.hist li:first-child { border-top: 0; }
.hist .when { color: var(--muted); }
.pct { font: 700 1rem var(--mono); }
.pct.hi { color: var(--ok); } .pct.mid { color: var(--brass); } .pct.lo { color: var(--bad); }

/* Quiz */
.q-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.6rem; font: 0.85rem var(--mono); color: var(--muted); letter-spacing: 0.04em; }
.bar { height: 6px; border-radius: 99px; background: var(--edge-soft); overflow: hidden; margin-bottom: 1.1rem; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brass), var(--ok)); transition: width 0.25s; }
.q-meta { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; font: 0.75rem var(--mono); color: var(--muted); letter-spacing: 0.05em; margin-bottom: 0.9rem; }
.q-text { font: 600 clamp(1.1rem, 2.6vw, 1.3rem)/1.45 var(--serif); margin: 0 0 1.2rem; max-width: 62ch; }
.q-text p { margin: 0 0 0.7rem; white-space: pre-wrap; }
pre.code {
  margin: 0.5rem 0 0.9rem; padding: 0.85rem 1rem; border-radius: 10px; overflow-x: auto;
  background: rgba(0, 0, 0, 0.35); border: 1px solid var(--edge-soft);
  font: 0.86rem/1.5 var(--mono); color: #d9e3ee; white-space: pre; max-width: 100%;
}
.opts { display: grid; gap: 0.6rem; }
.opt {
  display: flex; align-items: flex-start; gap: 0.85rem; text-align: left; width: 100%;
  padding: 0.85rem 1rem; border-radius: 12px; cursor: pointer; font: 1rem/1.4 var(--sans); color: var(--text);
  background: rgba(255, 255, 255, 0.035); border: 1px solid var(--edge);
  transition: background 0.12s, border-color 0.12s;
}
.opt:hover { background: rgba(255, 255, 255, 0.08); }
.opt .k { flex: none; width: 1.7rem; height: 1.7rem; display: grid; place-items: center; border-radius: 50%; font: 0.78rem var(--mono); border: 1px solid var(--edge); color: var(--muted); }
.opt .t { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.opt[aria-checked="true"] { background: var(--brass-dim); border-color: rgba(217, 178, 106, 0.7); }
.opt[aria-checked="true"] .k { background: var(--brass); color: #1a1408; border-color: var(--brass); }
.opt pre.code { margin: 0; background: transparent; border: 0; padding: 0; }

.q-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: space-between; margin-top: 1.3rem; }
.q-actions .left, .q-actions .right { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.flag[aria-pressed="true"] { color: var(--brass); border-color: rgba(217, 178, 106, 0.6); background: var(--brass-dim); }

.navgrid { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.navgrid button {
  width: 2.5rem; height: 2.5rem; border-radius: 9px; cursor: pointer; font: 0.82rem var(--mono);
  background: transparent; color: var(--muted); border: 1px solid var(--edge); position: relative;
}
.navgrid button.answered { background: var(--glass-strong); color: var(--text); }
.navgrid button.current { border-color: var(--brass); color: var(--brass); box-shadow: inset 0 0 0 1px var(--brass); }
.navgrid button.flagged::after { content: ""; position: absolute; top: 3px; right: 3px; width: 6px; height: 6px; border-radius: 50%; background: var(--brass); }
.legend { font-size: 0.8rem; color: var(--muted); margin: 0.7rem 0 0; }
.submit-row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-top: 1rem; }
.submit-row .note { color: var(--muted); font-size: 0.9rem; }

/* Results */
.report { display: grid; grid-template-columns: auto 1fr; gap: clamp(1rem, 4vw, 2.2rem); align-items: center; }
@media (max-width: 620px) { .report { grid-template-columns: 1fr; justify-items: center; text-align: center; } }
.seal { position: relative; width: 190px; height: 190px; flex: none; }
.seal svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.seal .track { fill: none; stroke: var(--edge); stroke-width: 9; }
.seal .arc { fill: none; stroke-width: 9; stroke-linecap: round; transition: stroke-dashoffset 0.9s cubic-bezier(.2,.7,.2,1); }
.seal .mid { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.seal .big { font: 600 2.9rem/1 var(--serif); }
.seal .small { font: 0.78rem var(--mono); color: var(--muted); margin-top: 0.3rem; letter-spacing: 0.05em; }
.verdict { font: 600 1.5rem/1.2 var(--serif); margin: 0 0 0.4rem; }
.verdict-sub { color: var(--muted); margin: 0 0 1rem; }
.facts { display: flex; flex-wrap: wrap; gap: 0.5rem 1.6rem; }
.fact { font-size: 0.88rem; color: var(--muted); }
.fact b { display: block; font: 600 1.15rem var(--mono); color: var(--text); }

.bars { display: grid; gap: 0.75rem; }
.brow { display: grid; grid-template-columns: minmax(9rem, 14rem) 1fr auto; gap: 0.8rem; align-items: center; font-size: 0.92rem; }
@media (max-width: 620px) { .brow { grid-template-columns: 1fr auto; } .brow .track { grid-column: 1 / -1; order: 3; } }
.brow .track { height: 8px; border-radius: 99px; background: var(--edge-soft); position: relative; overflow: hidden; }
.brow .track i { position: absolute; inset: 0 auto 0 0; border-radius: 99px; }
.brow .num { font: 0.82rem var(--mono); color: var(--muted); }
.t-hi { background: var(--ok); } .t-mid { background: var(--brass); } .t-lo { background: var(--bad); }

.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.pills { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }

.rev { border: 1px solid var(--edge); border-left-width: 4px; border-radius: 12px; padding: 1rem 1.1rem; background: rgba(255, 255, 255, 0.03); }
.rev + .rev { margin-top: 0.8rem; }
.rev.ok { border-left-color: var(--ok); } .rev.bad { border-left-color: var(--bad); } .rev.skip { border-left-color: var(--brass); }
.rev-head { display: flex; flex-wrap: wrap; gap: 0.3rem 0.9rem; font: 0.75rem var(--mono); color: var(--muted); letter-spacing: 0.04em; margin-bottom: 0.5rem; }
.status { font-weight: 700; }
.status.ok { color: var(--ok); } .status.bad { color: var(--bad); } .status.skip { color: var(--brass); }
.rev .q-text { font-size: 1.05rem; }
.ans { list-style: none; margin: 0.4rem 0 0; padding: 0; display: grid; gap: 0.4rem; }
.ans li { display: flex; gap: 0.7rem; align-items: flex-start; padding: 0.55rem 0.75rem; border-radius: 10px; border: 1px solid var(--edge-soft); font-size: 0.95rem; }
.ans li .tag2 { flex: none; font: 0.68rem var(--mono); letter-spacing: 0.06em; padding: 0.15rem 0.45rem; border-radius: 6px; margin-top: 0.1rem; }
.ans li.right { background: var(--ok-dim); border-color: rgba(88, 208, 192, 0.45); }
.ans li.right .tag2 { background: var(--ok); color: #06231f; }
.ans li.wrong { background: var(--bad-dim); border-color: rgba(239, 122, 103, 0.45); }
.ans li.wrong .tag2 { background: var(--bad); color: #2a0b05; }
.ans li .t { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.ans pre.code { margin: 0; padding: 0; background: transparent; border: 0; }
.why { margin: 0.8rem 0 0; padding: 0.7rem 0.9rem; border-radius: 10px; background: var(--glass); font-size: 0.93rem; color: #d6d2c5; }
.verify { margin: 0.6rem 0 0; font: 0.78rem var(--mono); color: var(--brass); }

.empty { color: var(--muted); padding: 1rem 0; }

/* Dialog */
dialog { border: 1px solid var(--edge); border-radius: var(--radius); padding: 0; color: var(--text); background: #101822; max-width: min(92vw, 28rem); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); }
dialog::backdrop { background: rgba(5, 8, 12, 0.7); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.dlg-body { padding: 1.4rem; }
.dlg-body h2 { margin-bottom: 0.5rem; }
.dlg-body p { color: var(--muted); margin: 0 0 1.2rem; }
.dlg-actions { display: flex; gap: 0.6rem; justify-content: flex-end; flex-wrap: wrap; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}