@font-face { font-family: "Be Vietnam Pro"; src: url("./fonts/BeVietnamPro-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Be Vietnam Pro"; src: url("./fonts/BeVietnamPro-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
:root {
  color-scheme: light;
  --page: #f7f9f6;
  --panel: #ffffff;
  --text: #163c32;
  --muted: #52675f;
  --border: #becdc3;
  --control-border: #7b9385;
  --preview: #e7efe5;
  --field: #fcfdfb;
  --accent: #d8f36a;
  --accent-hover: #c5e747;
  --ink: #173f33;
  --error: #a62c26;
  --error-bg: #fff0eb;
  --focus: #286750;
  --success: #206342;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-padding-top: 1.5rem; scrollbar-color: var(--border) var(--page); }
body { margin: 0; background: var(--page); color: var(--text); font: 400 1rem/1.65 "Be Vietnam Pro", sans-serif; -webkit-font-smoothing: antialiased; }
::selection { background: var(--accent); color: var(--ink); }
a { color: inherit; text-underline-offset: .25em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
button, input, textarea, select { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible, [tabindex="-1"]:focus { outline: 3px solid var(--focus); outline-offset: 4px; }
.wrap { width: min(1184px, calc(100% - 64px)); margin-inline: auto; }
.site-header { min-height: 96px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 24px; font-weight: 600; letter-spacing: -.04em; }
.brand-note { font-size: 13px; letter-spacing: 0; font-weight: 400; color: var(--muted); margin-left: 1px; align-self: flex-end; padding-bottom: 4px; }
nav { display: flex; gap: 28px; align-items: center; font-size: 14px; }
nav a { padding-block: 12px; text-decoration: none; }
nav a:hover { text-decoration: underline; }
.source-link { border: 1px solid var(--border); border-radius: 7px; padding: 9px 16px; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 600; line-height: 1.25; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4.1vw, 3.5rem); letter-spacing: -.04em; }
h2 { font-size: clamp(1.5rem, 2.2vw, 1.9rem); letter-spacing: -.035em; }
h3 { font-size: 1.5rem; letter-spacing: -.03em; }
.intro { display: grid; grid-template-columns: 1.8fr 1fr; gap: 64px; padding: 56px 0 48px; align-items: end; }
.intro > div > p { margin-top: 20px; color: var(--muted); }
.library { padding-bottom: 4px; }
.library > p { font-weight: 600; color: var(--text) !important; }
.library p span { color: var(--muted); font-size: 14px; font-weight: 400; }
.package-links { display: flex; gap: 24px; margin-top: 18px; font-size: 14px; }
.package-links a { text-decoration: none; font-weight: 600; }
.package-links a:hover { text-decoration: underline; }
.package-links span { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }
.runtime-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 14px 0; border-top: 1px solid var(--border); font-size: 12px; }
#load-status { display: flex; align-items: center; gap: 9px; }
#load-status::before { content: ""; width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: var(--muted); }
#load-status[data-state="ready"]::before { background: var(--success); }
#load-status[data-state="error"] { color: var(--error); }
#load-status[data-state="error"]::before { background: var(--error); }
.runtime-bar > span { color: var(--muted); }
.workbench { display: grid; grid-template-columns: 1.35fr 1fr; border: 1px solid var(--border); border-radius: 16px; background: var(--panel); overflow: clip; }
.editor { padding: 32px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.section-heading > span { font-size: 12px; color: var(--muted); white-space: nowrap; }
.section-description { margin: 10px 0 28px; color: var(--muted); font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 19px 16px; }
.wide { grid-column: 1 / -1; }
label { display: block; font-size: 14px; font-weight: 600; }
.optional, .required-note { font-size: 12px; color: var(--muted); font-weight: 400; margin-inline-start: 5px; }
input, select, textarea { display: block; width: 100%; min-width: 0; margin: 7px 0 0; border: 1px solid var(--control-border); border-radius: 7px; padding: 11px 12px; background: var(--field); color: var(--text); caret-color: var(--focus); font-size: 16px; font-weight: 400; }
input, select { min-height: 48px; }
input:hover, select:hover, textarea:hover { border-color: var(--muted); }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }
select { text-overflow: ellipsis; padding-right: 24px; }
textarea { resize: vertical; font: 400 13px/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
.hint { display: block; font-size: 12px; font-weight: 400; line-height: 1.7; color: var(--muted); margin-top: 7px; }
button, .button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; border: 1px solid transparent; border-radius: 7px; padding: 12px 18px; background: var(--accent); color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 600; cursor: pointer; }
button:hover, .button:hover { background: var(--accent-hover); text-decoration: none; }
button:active, .button:active { transform: translateY(1px); }
button:disabled { opacity: .5; cursor: wait; transform: none; }
.secondary { background: var(--text); color: var(--panel); }
.secondary:hover { background: var(--focus); color: var(--panel); }
.submit-row { display: flex; align-items: center; gap: 16px; margin-top: 4px; }
.submit-row > span { color: var(--muted); font-size: 12px; max-width: 140px; }
.preview { background: var(--preview); padding: 36px 32px 24px; display: flex; flex-direction: column; justify-content: space-between; gap: 40px; text-align: center; border-left: 1px solid var(--border); }
.preview-description { margin: 10px auto 24px; max-width: 34ch; color: var(--muted); font-size: 13px; }
.qr-sheet { width: min(100%, 320px); margin: 0 auto; background: #fff; padding: 14px; border-radius: 3px; box-shadow: 0 8px 26px #163c3210; }
.qr-sheet img { display: block; width: 100%; height: auto; aspect-ratio: 1; }
.sample { width: min(100%, 280px); }
.sample-caption { color: var(--muted); font-size: 12px; margin-top: 14px; }
.empty-help { color: var(--muted); margin-top: 28px; font-size: 13px; }
.empty-help strong { font-weight: 600; color: var(--text); }
.privacy-note { font-size: 12px; display: flex; justify-content: center; align-items: center; gap: 8px; text-align: left; }
.privacy-note svg { flex-shrink: 0; }
.actions { display: flex; justify-content: center; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin: 24px 0; }
.text-button { min-height: 44px; padding: 8px 0; border-radius: 0; color: var(--text); background: transparent; text-decoration: underline; text-underline-offset: 4px; font-size: 12px; gap: 8px; }
.text-button:hover { background: transparent; text-decoration-thickness: 2px; }
.payload-label { text-align: left; font-size: 12px; }
.copy-row { display: flex; align-items: center; flex-wrap: wrap; gap: 0 14px; text-align: left; }
#copy-status { font-size: 12px; max-width: 32ch; }
#result { animation: result-in .4s cubic-bezier(.16,1,.3,1); }
@keyframes result-in { from { transform: translateY(8px); } to { transform: translateY(0); } }
.checker { display: grid; grid-template-columns: 1fr 1.35fr; gap: 80px; padding: 64px 0; }
.checker-intro > p { color: var(--muted); font-size: 14px; margin-top: 16px; max-width: 38ch; }
.checker-intro .hint { font-size: 12px; margin-top: 24px; }
.checker-tool button { margin-top: 16px; }
#checked-result { border-top: 1px solid var(--border); margin-top: 24px; padding-top: 20px; }
.success { font-size: 15px; color: var(--success); font-weight: 600; }
.success span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; font-weight: 400; }
.parsed-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 24px 0 0; }
dt { font-size: 12px; color: var(--muted); }
dd { margin: 4px 0 0; font-size: 14px; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.error { background: var(--error-bg); color: var(--error); padding: 12px 16px; border: 1px solid currentColor; border-radius: 7px; font-size: 13px; margin-top: 12px; }
.error:empty { display: none; }
.disclaimer { border-block: 1px solid var(--border); padding: 24px 0; display: grid; grid-template-columns: 1fr 1.35fr; gap: 80px; }
.disclaimer h2 { font-size: 16px; line-height: 1.7; letter-spacing: -.01em; max-width: 34ch; }
.disclaimer p { font-size: 12px; color: var(--muted); }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 28px; font-size: 12px; color: var(--muted); }
.skip-link { position: absolute; z-index: 2; left: 16px; top: -120px; padding: 12px 16px; background: var(--text); color: var(--panel); }
.skip-link:focus { top: 16px; }
.form-grid > *, .intro > *, .workbench > *, .checker > *, .disclaimer > * { min-width: 0; }
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --page: #101e19; --panel: #182a22; --text: #e2ece2; --muted: #a3b6a9; --border: #4a6052; --control-border: #64816c; --preview: #21392c; --field: #14251c; --error: #ffb4a4; --error-bg: #3c2620; --focus: #b9da9a; --success: #b8dba3; }
  .secondary:hover { background: #b9da9a; }
}
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 40px); }
  .intro { gap: 32px; grid-template-columns: 1.5fr 1fr; }
  .editor, .preview { padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .checker, .disclaimer { gap: 40px; }
}
@media (max-width: 720px) {
  .site-header { min-height: 80px; gap: 12px; flex-wrap: wrap; padding-block: 16px; }
  .brand { font-size: 22px; }
  .brand svg { width: 28px; height: 28px; }
  .brand-note { display: none; }
  nav { gap: 18px; font-size: 12px; }
  .source-link { display: none; }
  .intro { grid-template-columns: 1fr; padding: 32px 0; gap: 24px; }
  h1 { font-size: clamp(1.8rem, 7.4vw, 2.7rem); }
  .intro > div > p { margin-top: 16px; font-size: 14px; }
  .desktop-break { display: none; }
  .library { display: flex; gap: 24px; justify-content: space-between; align-items: end; }
  .library > p { margin-top: 0 !important; font-size: 12px !important; }
  .library p span { display: block; font-size: 12px; max-width: 17ch; }
  .package-links { flex-wrap: wrap; gap: 8px 16px; margin: 0; font-size: 12px; }
  .package-links span { font-size: 12px; }
  .runtime-bar { font-size: 12px; gap: 6px; }
  .runtime-bar > span { display: none; }
  .workbench { grid-template-columns: 1fr; border-radius: 12px; }
  .editor { padding: 24px 20px; }
  .preview { border-left: 0; border-top: 1px solid var(--border); padding: 28px 20px 24px; gap: 28px; }
  .section-heading > span { font-size: 12px; }
  .section-description { font-size: 12px; margin-bottom: 24px; }
  .submit-row { flex-wrap: wrap; gap: 12px; }
  .submit-row button { width: 100%; }
  .submit-row > span { max-width: none; }
  .checker { grid-template-columns: 1fr; padding: 40px 0; gap: 24px; }
  .checker-intro > p { max-width: none; }
  .checker-intro .hint { margin-top: 12px; }
  .disclaimer { grid-template-columns: 1fr; gap: 12px; }
  .site-footer { flex-direction: column; align-items: start; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } #result { animation: none; } }