body {
  background: #fff;
  letter-spacing: -0.005em;
}

.app {
  width: min(100%, 70rem);
  padding-inline: 1.5rem;
}

header { min-height: 4rem; }

.brand {
  gap: 0.625rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.375rem;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: -0.03em;
}

.brand-divider { color: #d4d4d4; }
.brand-product { color: var(--color-neutral); font-weight: 500; }
.intro {
  display: block;
  max-width: 46rem;
  padding-block: 4.5rem 2.25rem;
}

.intro h1 {
  max-width: none;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 1.02;
}

.intro-copy {
  max-width: 42rem;
  margin-top: 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.6;
}

.intro-copy strong { color: inherit; font-weight: inherit; }

.dz {
  min-height: 8.5rem;
  border-style: solid;
  box-shadow: var(--shadow-whisper);
}

.dz::after { display: none; }
.dz.over, .dz:focus-visible { background: var(--color-paper-2); }
.dz-default { gap: 1rem; padding: 1.75rem; }
.upload-icon { width: 2.75rem; height: 2.75rem; background: #fff; color: var(--color-ink); }
.dz-l { font-family: var(--font-body); font-size: 1rem; font-weight: 600; letter-spacing: -0.02em; }
.dz-h span { color: var(--color-ink); }

#ws { gap: 1rem; padding-top: 1rem; }
.pnl { border-radius: 0.5rem; box-shadow: 0 1px 2px rgb(0 0 0 / 0.02); }
.pnl:not(.fpnl) { padding: 1.25rem; }
.pnl-t {
  margin-bottom: 1.25rem;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  text-transform: none;
}

.fn, .wl, .solo-btn, .pl-tg, .pre, .ld-t, .proc-t, .bg {
  font-family: var(--font-body);
}

.fn { font-weight: 500; }
.det { border: 1px solid var(--color-rule); border-left-width: 1px; border-radius: 0.375rem; background: var(--color-paper-2); }
.det-i { color: var(--color-success); }
.det.is-uncertain .det-i { color: var(--color-neutral); }
.wl { color: var(--color-neutral); font-weight: 500; }
.bg { border: 1px solid currentColor; background: transparent; font-size: 0.6875rem; letter-spacing: 0; }

.preview-help {
  margin: 1.25rem 0 0.625rem;
  color: var(--color-neutral);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.solo-btn, .cb, .pre, .btn, .pb {
  min-height: 2.5rem;
  border-radius: 0.375rem;
  background: #fff;
  color: var(--color-ink-2);
}

.solo-btn { font-size: 0.8125rem; font-weight: 500; }
.solo-btn.on-l, .solo-btn.on-r, .solo-btn.on-b,
.cb.ol, .cb.or, .pre.on {
  border-color: var(--color-ink);
  background: var(--color-paper-2);
  color: var(--color-ink);
}

.ct label { color: var(--color-ink); font-weight: 500; }
.cb { font-weight: 500; }
.sv { font-family: var(--font-body); font-weight: 600; }
.ptgl span { font-weight: 500; }
.ttr { background: #ebebeb; }
.ptgl input:checked + .ttr { border-color: var(--color-ink); background: var(--color-ink); }
.ptgl input:checked + .ttr::after { background: #fff; }

.acts {
  bottom: 0.75rem;
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: 0.5rem;
  box-shadow: 0 8px 30px rgb(0 0 0 / 0.08);
}

.action-note {
  flex: 1 0 100%;
  padding: 0.125rem 0.25rem 0.375rem;
  color: var(--color-muted);
  font-size: 0.75rem;
}

.btn { font-weight: 500; }
.btn-go { border-color: #000; background: #000; color: #fff; }
.btn-x { background: #fff; color: var(--color-ink); }

.fpnl {
  padding: 1.25rem;
  border-color: var(--color-rule);
  background: #fff;
  color: var(--color-ink);
}

.fpnl .pnl-t, .fpnl .pl-tg, .fpnl .pt { color: var(--color-neutral); }
.fpnl .pnl-t { color: var(--color-ink); }
.fpnl .pl { border-color: var(--color-rule); }
.fpnl .pbr { background: var(--color-paper-3); }
.fpnl .solo-btn, .fpnl .pb { border-color: var(--color-rule-2); background: #fff; color: var(--color-ink); }
.fpnl .solo-btn.on-b, .fpnl .pb.on { border-color: var(--color-ink); background: var(--color-paper-2); color: var(--color-ink); }

@media (hover: hover) {
  .dz:hover:not(.loading) { background: var(--color-paper-2); transform: none; }
  .solo-btn:hover:not(:disabled), .cb:hover:not(:disabled), .pre:hover:not(:disabled), .btn-x:hover:not(:disabled), .pb:hover:not(:disabled) { border-color: var(--color-ink); background: var(--color-paper-2); color: var(--color-ink); }
  .btn-go:hover:not(:disabled) { background: #262626; }
}

@media (max-width: 36rem) {
  .app { padding-inline: 1rem; }
  .brand-divider, .brand-product { display: none; }
  .intro { padding-block: 3rem 1.75rem; }
  .intro h1 { font-size: clamp(2.35rem, 12vw, 3rem); }
  .intro-copy { font-size: 1rem; }
}