:root {
  --forest: #0b3026;
  --forest-2: #174737;
  --ink: #15211e;
  --muted: #6d756f;
  --line: #d9dfda;
  --line-dark: #b8c2ba;
  --paper: #fffdf8;
  --surface: #ffffff;
  --wash: #f5f8f5;
  --amber: #cf7e0a;
  --amber-dark: #a96000;
  --danger: #9a3c2f;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.topbar { height: 76px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 4.5vw; background: rgba(255,253,248,0.92); }
.wordmark { color: var(--forest); font-family: var(--serif); font-size: 32px; font-weight: 700; letter-spacing: -0.04em; text-decoration: none; }
.topbar-actions { display: flex; align-items: center; gap: 24px; }
.quiet-link, .official-home-link { color: var(--forest); font-size: 14px; text-decoration: none; }
.quiet-link:hover, .official-home-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.official-home-link { display: inline-flex; align-items: center; min-height: 34px; border: 1px solid var(--line-dark); border-radius: 999px; padding: 0 13px; background: var(--surface); font-size: 12px; font-weight: 650; }
.language-switch { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line-dark); border-radius: 999px; padding: 4px 7px; background: var(--surface); color: var(--muted); font-size: 11px; }
.language-button { border: 0; border-radius: 999px; padding: 5px 8px; color: var(--muted); background: transparent; font-size: 11px; cursor: pointer; }
.language-button.active { color: var(--forest); background: #edf4ed; font-weight: 750; }
.page-shell { width: min(1440px, 91vw); margin: 0 auto; padding: 54px 0 84px; }
.hero-copy { display: flex; justify-content: space-between; align-items: end; gap: 28px; padding: 16px 0 42px; }
.hero-copy h1 { color: var(--forest); font-family: var(--serif); font-size: clamp(39px, 4.4vw, 66px); letter-spacing: -0.055em; line-height: 0.98; margin: 0 0 14px; max-width: 860px; }
.hero-copy p { color: var(--muted); font-size: 17px; margin: 0; }
.rule-note { color: var(--muted); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; padding-bottom: 3px; }
.workspace { display: grid; grid-template-columns: minmax(450px, 0.98fr) minmax(520px, 1.12fr); gap: 46px; align-items: start; }
.form-column { border-right: 1px solid var(--line); padding-right: 46px; }
.form-section { padding: 0 0 31px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.section-heading, .preview-heading { display: flex; justify-content: space-between; gap: 18px; align-items: start; margin-bottom: 20px; }
.section-heading > div, .preview-heading > div { display: flex; align-items: baseline; gap: 11px; }
.section-heading h2, .preview-heading h2 { color: var(--forest); font-size: 16px; letter-spacing: -0.01em; margin: 0; }
.step-number { color: var(--amber-dark); font-size: 10px; font-weight: 700; letter-spacing: 0.12em; }
.section-hint, .preview-status { color: var(--muted); font-size: 11px; }
.field-grid { display: grid; gap: 15px; }
.two-up { grid-template-columns: 1fr 1fr; }
.three-up { grid-template-columns: 1fr 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field span { color: var(--ink); font-size: 12px; font-weight: 600; }
.field input, .field select, .field textarea, .ingredient-row input, .ingredient-row select { width: 100%; height: 42px; border: 1px solid var(--line-dark); border-radius: 5px; color: var(--ink); background: var(--surface); padding: 0 12px; outline: none; }
.field textarea { height: auto; min-height: 78px; padding: 10px 12px; resize: vertical; line-height: 1.45; }
.field input:focus, .field select:focus, .field textarea:focus, .ingredient-row input:focus, .ingredient-row select:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(207, 126, 10, 0.13); }
.full-field { margin-bottom: 15px; }
.ingredient-headings, .ingredient-row { display: grid; grid-template-columns: minmax(130px, 1.35fr) minmax(72px, 0.86fr) minmax(88px, 0.92fr) minmax(120px, 1.08fr) minmax(58px, 0.62fr) 35px; gap: 7px; align-items: center; }
.ingredient-headings { color: var(--muted); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; padding: 0 0 7px; }
.ingredient-row { margin-bottom: 12px; align-items: start; }
.ingredient-row input, .ingredient-row select { height: 38px; padding: 0 9px; font-size: 12px; }
.source-text { grid-column: 1 / 6; color: var(--muted) !important; font-size: 11px !important; }
.amount-display { grid-column: 1 / 5; color: var(--muted) !important; font-size: 11px !important; }
.name-marker { grid-column: 5 / 6; text-align: center; padding-left: 2px !important; padding-right: 2px !important; }
.remove-row { grid-column: 6; grid-row: 1 / span 3; align-self: start; margin-top: 2px; }
.dv-input { position: relative; }
.dv-input input { padding-right: 22px; }
.dv-symbol { position: absolute; right: 8px; top: 11px; color: var(--muted); font-size: 12px; }
.remove-row { height: 34px; width: 34px; border: 1px solid var(--line-dark); background: var(--paper); border-radius: 3px; color: var(--muted); font-size: 18px; line-height: 1; }
.remove-row:hover { color: var(--danger); border-color: var(--danger); }
.secondary-button { display: inline-flex; align-items: center; gap: 9px; height: 38px; border: 1px solid var(--forest-2); border-radius: 3px; background: var(--paper); color: var(--forest); padding: 0 13px; font-size: 12px; font-weight: 650; }
.secondary-button:hover { background: var(--wash); }
.plus { font-size: 19px; font-weight: 400; line-height: 0; }
.microcopy, .preview-note { color: var(--muted); font-size: 11px; line-height: 1.55; margin: 12px 0 0; }
.market-preset-field { margin-top: 15px; }
.serving-overrides { margin-top: 15px; }
.serving-override-note { display: block; margin-top: 7px; }
.custom-footnotes-field { margin-top: 15px; }
.formula-importer { margin: -2px 0 22px; padding: 16px; border: 1px solid #d8ccb3; border-radius: 7px; background: #fffbf3; }
.formula-import-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 9px; }
.formula-import-heading > div { min-width: 0; }
.formula-import-heading strong { display: block; color: var(--forest); font-size: 13px; line-height: 1.3; }
.formula-import-heading span { display: block; color: var(--amber-dark); font-size: 10px; line-height: 1.4; margin-top: 3px; }
.formula-importer > p { color: var(--muted); font-size: 11px; line-height: 1.55; margin: 0 0 11px; }
.formula-importer textarea { display: block; width: 100%; min-height: 132px; resize: vertical; border: 1px solid var(--line-dark); border-radius: 5px; background: var(--surface); color: var(--ink); padding: 11px 12px; outline: none; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 11px; line-height: 1.55; }
.formula-importer textarea:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(207, 126, 10, 0.13); }
.formula-import-actions { display: flex; align-items: center; gap: 13px; margin-top: 11px; }
.formula-import-actions small { color: var(--muted); font-size: 10px; line-height: 1.45; }
.formula-import-button { flex: 0 0 auto; background: var(--surface); }
.text-button { border: 0; border-bottom: 1px solid currentColor; background: transparent; color: var(--forest-2); padding: 2px 0; font-size: 10px; line-height: 1.3; white-space: nowrap; }
.text-button:hover { color: var(--amber-dark); }
.formula-import-status { display: none; margin-top: 11px; border-top: 1px solid #e7dcc5; padding-top: 10px; color: var(--forest-2); font-size: 11px; line-height: 1.5; }
.formula-import-status.visible { display: block; }
.formula-import-status.error { color: var(--danger); }
.formula-import-status strong { display: block; margin-bottom: 4px; }
.formula-import-status ul { margin: 5px 0 0; padding-left: 18px; }
.formula-import-status li + li { margin-top: 3px; }
.panel-size-guide { margin: -3px 0 18px; }
.panel-size-intro { color: var(--muted); font-size: 12px; line-height: 1.55; margin: 0; max-width: 620px; }
.panel-presets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 13px; }
.panel-preset { min-height: 78px; display: grid; grid-template-columns: 43px 1fr; gap: 11px; align-items: center; text-align: left; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); color: var(--ink); padding: 10px 11px; }
.panel-preset:hover { border-color: var(--line-dark); background: var(--wash); }
.panel-preset[aria-pressed="true"] { border-color: var(--amber); background: #fff9ef; box-shadow: 0 0 0 2px rgba(207, 126, 10, 0.12); }
.panel-preset-visual { width: 31px; height: 47px; border: 1.5px solid var(--forest-2); border-radius: 2px; justify-self: center; background: linear-gradient(135deg, rgba(23, 71, 55, 0.05), rgba(207, 126, 10, 0.18)); }
.panel-preset-visual-compact { width: 24px; height: 42px; }
.panel-preset-visual-standard { width: 29px; height: 43px; }
.panel-preset-visual-wide { width: 36px; height: 43px; }
.panel-preset-visual-large { width: 39px; height: 47px; }
.panel-preset-visual-custom { border-style: dashed; background: repeating-linear-gradient(135deg, transparent 0 5px, rgba(23, 71, 55, 0.08) 5px 7px); }
.panel-preset-copy { min-width: 0; }
.panel-preset-copy strong { display: block; color: var(--forest); font-size: 12px; line-height: 1.25; }
.panel-preset-copy small { display: block; color: var(--muted); font-size: 10px; line-height: 1.45; margin-top: 4px; }
.panel-preset-custom { grid-column: 1 / -1; min-height: 60px; }
.panel-size-summary { color: var(--forest-2); font-size: 11px; line-height: 1.4; margin: 10px 0 0; min-height: 16px; }
.field-note { color: var(--muted); font-size: 10px; line-height: 1.45; }
.fit-toggle { display: flex; align-items: center; gap: 8px; color: var(--forest-2); font-size: 12px; margin-top: 14px; }
.fit-toggle input { width: 15px; height: 15px; accent-color: var(--amber-dark); }
.form-message { min-height: 20px; color: var(--danger); font-size: 12px; line-height: 1.45; margin: -8px 0 14px; }
.form-message:empty { display: none; }
.form-message.warning { color: var(--amber-dark); }
.data-confirmation { border: 1px solid #d9c9a9; border-radius: 7px; background: #fff8eb; padding: 15px 16px; margin: 4px 0 13px; }
.data-confirmation-title { color: var(--forest); font-size: 12px; font-weight: 750; letter-spacing: 0.01em; }
.data-confirmation p { color: var(--muted); font-size: 11px; line-height: 1.55; margin: 7px 0 11px; }
.confirmation-check { display: flex; align-items: flex-start; gap: 9px; color: var(--forest-2); font-size: 11px; line-height: 1.5; cursor: pointer; }
.confirmation-check input { width: 16px; height: 16px; accent-color: var(--amber-dark); flex: 0 0 auto; margin-top: 1px; }
.primary-button { width: 100%; height: 54px; border: 0; border-radius: 5px; background: var(--amber); color: white; font-size: 15px; font-weight: 700; letter-spacing: -0.01em; transition: background 160ms ease, transform 160ms ease, opacity 160ms ease; }
.primary-button:hover { background: var(--amber-dark); transform: translateY(-1px); }
.primary-button:disabled { cursor: not-allowed; opacity: 0.45; transform: none; }
.button-arrow { font-size: 18px; margin-left: 7px; }
.preview-column { min-width: 0; }
.preview-heading { margin-bottom: 16px; }
.preview-heading h2 { font-size: 20px; }
.preview-status { color: var(--forest-2); }
.preview-shell { min-height: 545px; border: 1px solid var(--line); border-radius: 4px; padding: 28px; background: #fbfcfb; display: flex; align-items: center; justify-content: center; }
.preview-host { width: 100%; display: flex; justify-content: center; }
.preview-host svg { display: block; width: min(100%, 600px); height: auto; max-height: 650px; filter: drop-shadow(0 10px 20px rgba(11, 48, 38, 0.08)); }
.generation-result { border: 1px solid #8fb79a; background: #f1f8f2; border-radius: 7px; margin-top: 18px; padding: 16px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 18px; align-items: center; box-shadow: 0 10px 28px rgba(20, 91, 48, 0.12); }
.generation-result.hidden { display: none; }
.generation-result:focus { outline: 3px solid rgba(166, 103, 27, 0.34); outline-offset: 4px; }
.generation-result.is-revealed { animation: generation-reveal 1200ms ease-out; }
@keyframes generation-reveal {
  0% { transform: translateY(8px); box-shadow: 0 0 0 7px rgba(166, 103, 27, 0.24), 0 12px 32px rgba(20, 91, 48, 0.18); }
  45% { transform: translateY(0); box-shadow: 0 0 0 4px rgba(166, 103, 27, 0.16), 0 12px 32px rgba(20, 91, 48, 0.16); }
  100% { box-shadow: 0 10px 28px rgba(20, 91, 48, 0.12); }
}
.generation-main { display: flex; gap: 11px; align-items: center; min-width: 0; }
.success-mark { width: 28px; height: 28px; border: 2px solid #1c6b31; color: #1c6b31; border-radius: 50%; display: grid; place-items: center; font-weight: 800; flex: 0 0 auto; }
.result-label { color: var(--muted); display: block; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 3px; }
.generation-main strong { color: var(--forest); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px; letter-spacing: 0.04em; }
.copy-generation-button { height: 36px; border: 1px solid var(--forest-2); border-radius: 5px; padding: 0 13px; background: var(--forest); color: white; font-size: 11px; font-weight: 700; }
.copy-generation-button:hover { background: var(--forest-2); }
.copy-generation-button.copied { background: #1c6b31; border-color: #1c6b31; }
.gated-files { flex-basis: 100%; border-top: 1px solid #c8dacb; padding-top: 12px; display: flex; align-items: center; gap: 12px; }
.gated-file-list { display: flex; flex-wrap: wrap; gap: 6px; flex: 0 0 auto; }
.gated-file-list span { border: 1px solid #9bb9a1; border-radius: 999px; background: rgba(255,255,255,0.7); color: var(--forest); padding: 4px 8px; font-size: 9px; font-weight: 750; letter-spacing: 0.03em; }
.gated-files small { color: var(--forest-2); font-size: 10px; line-height: 1.5; }
.delivery-options { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 19px; }
.delivery-options.hidden { display: none; }
.delivery-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.delivery-heading > div { display: flex; align-items: baseline; gap: 10px; }
.delivery-heading h3 { color: var(--forest); font-size: 15px; margin: 0; }
.delivery-heading-note { color: var(--muted); font-size: 10px; }
.wechat-claim-guide { display: grid; grid-template-columns: 1fr 150px; gap: 18px; align-items: stretch; border: 1px solid #c9d7cb; border-radius: 8px; background: linear-gradient(135deg, #f2f8f3, #fffdf8); padding: 16px; margin-bottom: 11px; }
.wechat-claim-copy { min-width: 0; }
.wechat-claim-kicker { display: block; color: var(--amber-dark); font-size: 9px; font-weight: 750; letter-spacing: 0.11em; margin-bottom: 5px; }
.wechat-claim-copy > strong { display: block; color: var(--forest); font-size: 14px; line-height: 1.35; }
.wechat-claim-copy ol { display: grid; gap: 7px; list-style: none; margin: 12px 0 0; padding: 0; }
.wechat-claim-copy li { display: flex; align-items: center; gap: 8px; color: var(--forest-2); }
.wechat-claim-copy li > span { width: 20px; height: 20px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--forest); color: white; font-size: 9px; font-weight: 750; }
.wechat-claim-copy em { color: var(--forest-2); font-size: 10px; font-style: normal; line-height: 1.45; }
.wechat-qr-slot { display: grid; place-items: center; align-content: center; gap: 7px; border: 1px solid #c9d7cb; border-radius: 6px; background: #fff; padding: 8px; text-align: center; }
.wechat-qr-slot img { display: block; width: 100%; height: auto; }
.wechat-qr-slot small { color: var(--muted); font-size: 9px; line-height: 1.4; }
.delivery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.delivery-card { display: grid; grid-template-columns: 29px 1fr; gap: 10px; min-height: 84px; text-align: left; border: 1px solid var(--line-dark); border-radius: 7px; background: var(--surface); padding: 13px 12px; color: var(--ink); transition: border-color 160ms ease, background 160ms ease, transform 160ms ease; }
.delivery-card:hover { border-color: var(--forest-2); background: #f8fbf8; transform: translateY(-1px); }
.delivery-card-accent { border-color: #d9c9a9; background: #fffaf1; }
.delivery-card-accent:hover { border-color: var(--amber); background: #fff5e1; }
.delivery-card-icon { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid #c9d7cb; border-radius: 50%; color: var(--forest); font-size: 14px; font-weight: 750; }
.delivery-card-accent .delivery-card-icon { border-color: #e2c98e; color: var(--amber-dark); }
.delivery-card strong { display: block; color: var(--forest); font-size: 12px; line-height: 1.3; }
.delivery-card small { display: block; color: var(--muted); font-size: 10px; line-height: 1.5; margin-top: 5px; }
.official-site-card { display: flex; align-items: center; justify-content: space-between; gap: 16px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); color: var(--ink); margin-top: 10px; padding: 13px 14px; text-decoration: none; transition: border-color 160ms ease, background 160ms ease; }
.official-site-card:hover { border-color: var(--forest-2); background: var(--wash); }
.official-site-card strong { display: block; color: var(--forest); font-size: 11px; }
.official-site-card small { display: block; color: var(--muted); font-size: 10px; line-height: 1.5; margin-top: 3px; }
.official-site-card b { color: var(--amber-dark); font-size: 18px; }
.service-message { min-height: 17px; color: var(--forest-2); font-size: 11px; line-height: 1.5; margin: 10px 0 0; }
.how-section { border-top: 1px solid var(--line); margin-top: 63px; padding-top: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.how-section h2 { color: var(--forest); font-family: var(--serif); font-size: 30px; letter-spacing: -0.04em; line-height: 1.06; margin: 12px 0 0; max-width: 460px; }
.how-section p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 2px 0 0; max-width: 520px; }
.download-page { min-height: 100vh; display: grid; place-items: center; padding: 34px 18px; background: linear-gradient(145deg, #fffdf8 0%, #f3f8f4 100%); }
.download-card { width: min(620px, 100%); border: 1px solid var(--line); border-radius: 10px; background: var(--surface); padding: clamp(26px, 6vw, 50px); box-shadow: 0 24px 70px rgba(11, 48, 38, 0.1); }
.download-card .wordmark { display: inline-block; margin-bottom: 38px; }
.download-card h1 { color: var(--forest); font-family: var(--serif); font-size: clamp(34px, 7vw, 52px); line-height: 1; letter-spacing: -0.045em; margin: 10px 0 16px; }
.download-intro, .download-note { color: var(--muted); font-size: 13px; line-height: 1.7; }
.download-status { border: 1px solid var(--line); border-radius: 6px; background: var(--wash); color: var(--forest-2); margin-top: 28px; padding: 15px; font-size: 13px; }
.download-status.error { border-color: #d9b5ae; background: #fff7f5; color: var(--danger); }
.download-ready { margin-top: 28px; }
.download-ready.hidden, .download-status.hidden { display: none; }
.download-ready dl { border-top: 1px solid var(--line); margin: 0 0 24px; }
.download-ready dl div { display: grid; grid-template-columns: 120px 1fr; gap: 18px; border-bottom: 1px solid var(--line); padding: 11px 0; }
.download-ready dt { color: var(--muted); font-size: 11px; }
.download-ready dd { color: var(--ink); font-size: 12px; font-weight: 650; margin: 0; }
.private-download-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.private-download-button { display: grid; min-height: 44px; place-items: center; border: 1px solid var(--forest-2); border-radius: 5px; color: var(--forest); background: white; font-size: 11px; font-weight: 700; text-decoration: none; text-align: center; padding: 8px; }
.private-download-button:hover { background: var(--wash); }
.private-download-button.primary { background: var(--forest); color: white; }
.download-note { margin: 18px 0 0; }
.download-home-link { display: inline-flex; align-items: center; gap: 7px; color: var(--forest); border-bottom: 1px solid currentColor; margin-top: 22px; padding-bottom: 3px; font-size: 11px; font-weight: 700; text-decoration: none; }
.download-home-link:hover { color: var(--amber-dark); }
@media (max-width: 1050px) {
  .workspace { grid-template-columns: 1fr; gap: 36px; }
  .form-column { border-right: 0; border-bottom: 1px solid var(--line); padding-right: 0; padding-bottom: 35px; }
  .preview-shell { min-height: 480px; }
}
@media (max-width: 640px) {
  .topbar { height: 60px; padding: 0 5vw; }
  .wordmark { font-size: 27px; }
  .topbar-actions { gap: 10px; }
  .quiet-link { display: none; }
  .official-home-link { min-height: 32px; padding: 0 10px; font-size: 10px; }
  .page-shell { width: 90vw; padding-top: 35px; }
  .hero-copy { display: block; padding-bottom: 28px; }
  .hero-copy h1 { font-size: 42px; }
  .rule-note { margin-top: 17px; }
  .two-up, .three-up, .how-section { grid-template-columns: 1fr; }
  .panel-presets { grid-template-columns: 1fr; }
  .panel-preset-custom { grid-column: auto; }
  .ingredient-headings { display: none; }
  .ingredient-row { grid-template-columns: 1.55fr 0.9fr 0.9fr 34px; }
  .ingredient-row .dv-mode, .ingredient-row .dv-input { grid-column: span 2; }
  .source-text { grid-column: 1 / -1; }
  .amount-display { grid-column: 1 / 4; }
  .name-marker { grid-column: 1 / 4; }
  .remove-row { grid-column: 4; grid-row: 1 / span 4; }
  .preview-shell { padding: 12px; min-height: 350px; }
  .generation-result { align-items: start; flex-direction: column; }
  .gated-files { align-items: flex-start; flex-direction: column; }
  .delivery-grid { grid-template-columns: 1fr; }
  .wechat-claim-guide { grid-template-columns: 1fr 112px; gap: 11px; padding: 12px; }
  .delivery-heading { align-items: start; flex-direction: column; gap: 6px; }
  .private-download-actions { grid-template-columns: 1fr; }
  .formula-import-heading, .formula-import-actions { align-items: stretch; flex-direction: column; gap: 9px; }
  .formula-import-button { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .generation-result.is-revealed { animation: none; }
}