:root {
  --canvas: oklch(0.967 0.01 86);
  --surface: oklch(0.99 0.006 86);
  --ink: oklch(0.245 0.02 56);
  --muted: oklch(0.51 0.018 70);
  --line: oklch(0.85 0.018 76);
  --accent: oklch(0.47 0.092 42);
  --accent-soft: oklch(0.91 0.04 50);
  --danger: oklch(0.51 0.17 28);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
}
* { box-sizing: border-box; }
html { background: var(--canvas); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { touch-action: manipulation; }
.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus { left: 16px; z-index: 10; padding: 8px 12px; color: white; background: var(--accent); border-radius: var(--radius-sm); }
.site-header { display: flex; align-items: center; gap: 14px; max-width: 1160px; margin: 0 auto; padding: 26px 28px 24px; border-bottom: 1px solid var(--line); }
.mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: var(--radius-sm); color: var(--surface); background: var(--ink); font-weight: 700; }
.eyebrow, .section-kicker { margin: 0 0 5px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .1em; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 19px; letter-spacing: -.012em; }
h2 { max-width: 20ch; margin-bottom: 10px; font-size: clamp(28px, 4vw, 42px); line-height: 1.12; font-weight: 650; letter-spacing: -.025em; text-wrap: balance; }
.status { margin-left: auto; padding: 7px 10px; color: var(--muted); background: oklch(0.93 0.009 86); border-radius: 999px; font-size: 13px; white-space: nowrap; }
.status.ready { color: oklch(0.35 0.08 145); background: oklch(0.91 0.045 145); }
main { max-width: 1160px; margin: 0 auto; padding: 48px 28px 72px; }
.upload-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: 52px; align-items: center; padding: 42px 0 52px; }
.upload-section p:not(.section-kicker) { max-width: 42ch; margin-bottom: 0; color: var(--muted); line-height: 1.75; text-wrap: pretty; }
.upload-form { display: grid; gap: 14px; }
.drop-zone { display: grid; min-height: 178px; place-content: center; gap: 8px; padding: 24px; background: var(--surface); border: 1px dashed oklch(0.7 0.03 65); border-radius: var(--radius-lg); text-align: center; cursor: pointer; }
.drop-zone:focus-within { outline: 3px solid var(--accent-soft); outline-offset: 2px; }
.drop-zone input { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.drop-title { font-weight: 650; }
.drop-note { color: var(--muted); font-size: 13px; }
.primary-button { min-height: 46px; padding: 11px 17px; color: white; background: var(--accent); border: 0; border-radius: var(--radius-sm); font-weight: 650; cursor: pointer; transition: transform 140ms cubic-bezier(.16,1,.3,1), background-color 140ms ease-out; }
.primary-button:disabled { cursor: wait; opacity: .6; }
.primary-button:active { transform: scale(.96); }
@media (hover:hover) { .primary-button:hover { background: oklch(0.405 0.092 42); } .drop-zone:hover { background: oklch(0.985 0.012 78); } }
.primary-button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 2px; }
.review-section { padding-top: 42px; border-top: 1px solid var(--line); animation: review-enter 260ms cubic-bezier(.16,1,.3,1) both; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.parse-summary { color: var(--muted); font-size: 14px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; margin-top: 32px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14px; font-weight: 650; }
.required { color: var(--accent); }
.field input, .field select { width: 100%; min-height: 44px; padding: 10px 12px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--danger); }
.field-error { min-height: 18px; margin: 0; color: var(--danger); font-size: 12px; }
.submit-row { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.submit-row p { margin: 0; color: var(--muted); font-size: 14px; }
.notice { min-height: 24px; margin: 24px 0 0; color: var(--muted); }
.notice.error { color: var(--danger); }
.notice.success { color: oklch(0.35 0.08 145); }
@keyframes review-enter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }
@media (max-width: 720px) { .site-header, main { padding-left: 18px; padding-right: 18px; } .site-header { align-items: flex-start; } .status { margin-left: 0; margin-top: 3px; font-size: 11px; } .upload-section { grid-template-columns: 1fr; gap: 26px; padding-top: 28px; } .field-grid { grid-template-columns: 1fr; gap: 16px; } .section-heading, .submit-row { align-items: flex-start; flex-direction: column; gap: 12px; } .submit-row .primary-button { width: auto; } }