:root {
  --page: #f3f5f7;
  --surface: #ffffff;
  --surface-alt: #eeeeee;
  --ink: #1d2733;
  --muted: #607080;
  --line: #cbd4dd;
  --line-strong: #aebbc8;
  --accent: #741b1b;
  --accent-dark: #4d1111;
  --danger: #a32121;
  --shadow: 0 2px 8px rgb(20 20 20 / 8%);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--page); }
body { margin: 0; color: var(--ink); background: var(--page); font: 14px/1.45 "Segoe UI", Inter, Arial, sans-serif; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 70px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-logo { display: block; width: 30px; height: 30px; object-fit: contain; }
.brand strong { display: block; font-size: 13px; letter-spacing: .12em; }
.brand small { display: block; color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.topbar-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 12px; }
.status-pill { display: flex; align-items: center; gap: 7px; color: var(--ink); font-size: 11px; font-weight: 700; text-transform: uppercase; white-space: nowrap; }
.status-pill i { width: 8px; height: 8px; border: 2px solid currentColor; border-radius: 50%; background: transparent; }
.status-pill.live { color: #167347; }
.status-pill.live i { background: #167347; }
.status-pill.error { color: var(--danger); }
.status-pill.error i { background: var(--danger); }

.intro { display: flex; align-items: end; justify-content: space-between; gap: 48px; padding: 48px 0 34px; }
.eyebrow { margin: 0 0 8px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.intro h1 { max-width: 720px; margin: 0; color: var(--ink); font-size: clamp(34px, 5vw, 58px); font-weight: 650; letter-spacing: -.045em; line-height: 1.02; }
.intro h1 span { color: var(--accent-dark); font-weight: 750; }
.intro-copy { max-width: 330px; margin: 0 0 5px; color: var(--muted); font-size: 14px; }
.notice { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); font-size: 12px; }
.notice-icon { display: grid; place-items: center; flex: none; width: 18px; height: 18px; border: 1px solid currentColor; border-radius: 50%; color: var(--accent-dark); font-size: 11px; font-weight: 700; }
.release-notice { margin-bottom: 14px; }
.release-notice strong { color: var(--ink); }
.availability-error { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 16px; padding: 12px 14px; border: 1px solid #e2a39e; border-left: 4px solid var(--danger); border-radius: 5px; background: #fff6f5; color: var(--danger); font-size: 12px; }
.availability-error .notice-icon { color: var(--danger); }
.hidden { display: none !important; }
.stripe-rule { display: grid; gap: 3px; margin: 18px 0 20px; }
.stripe-rule span { display: block; height: 2px; background: var(--line-strong); }
.stripe-rule span:nth-child(2) { height: 3px; background: var(--accent); }

.workspace-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; align-items: stretch; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); box-shadow: var(--shadow); overflow: hidden; }
.builder-card { min-width: 0; padding: 30px; }
.side-column { display: grid; align-content: start; min-width: 0; border-left: 1px solid var(--line); background: var(--surface-alt); }
.status-card { min-height: 300px; padding: 30px; background: var(--surface-alt); }
.small-note { padding: 20px 30px 26px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.small-note strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 12px; }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; }
.card-heading h2 { margin: 0; color: var(--ink); font-size: 24px; font-weight: 650; letter-spacing: -.03em; }
.step-count, .option-count { padding-top: 3px; color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.field-grid { display: grid; gap: 18px; }
.field-grid.three { grid-template-columns: 1fr 1fr 1.35fr; }
.field-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compact-fields { margin-top: 28px; }
.field { display: grid; gap: 6px; min-width: 0; color: var(--muted); font-size: 12px; font-weight: 600; }
.field select, .field input, .field textarea, .expert-field textarea { width: 100%; min-height: 40px; border: 1px solid var(--line-strong); border-radius: 4px; outline: none; background: var(--surface); color: var(--ink); }
.field select, .field input { padding: 9px 11px; }
.field select { cursor: pointer; }
.field input::placeholder { color: #8a98a6; }
.field select:focus, .field input:focus, .field textarea:focus, .expert-field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgb(23 105 170 / 15%); }
.meta-line { display: flex; justify-content: space-between; gap: 15px; min-height: 28px; padding-top: 9px; color: var(--muted); font-size: 11px; }
.meta-line #targetMeta { text-align: right; }
.meta-line #targetMeta .supported { color: #167347; font-weight: 700; }
.version-disclaimer { margin: 17px 0 0; background: #f8fafc; color: var(--muted); font-size: 11px; }
.version-disclaimer .notice-icon { color: var(--muted); }

.option-block { margin-top: 27px; padding-top: 20px; border-top: 1px solid var(--line); }
.option-title { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 15px; color: var(--ink); font-size: 14px; font-weight: 700; }
.option-title small { color: var(--muted); font-size: 10px; font-weight: 400; }
.advanced-options { margin-top: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.advanced-options summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; cursor: pointer; color: var(--ink); font-size: 13px; font-weight: 700; list-style: none; }
.advanced-options summary::-webkit-details-marker { display: none; }
.advanced-options summary::after { content: "+"; color: var(--accent); font-size: 18px; font-weight: 400; }
.advanced-options[open] summary::after { content: "−"; }
.advanced-hint { margin: 0 0 14px; color: var(--muted); font-size: 11px; }
.check-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 14px; }
.check { display: flex; align-items: center; gap: 7px; color: var(--ink); font-size: 12px; }
.check input { accent-color: var(--accent); }
.expert-field { display: grid; gap: 6px; margin-top: 17px; color: var(--muted); font-size: 12px; font-weight: 600; }
.expert-field em { color: #8a98a6; font-size: 11px; font-style: normal; font-weight: 400; }
.expert-field textarea { min-height: 58px; padding: 9px 11px; resize: vertical; }
.field-hint { margin: 6px 0 15px; color: var(--muted); font-size: 11px; }
.field-hint.invalid { color: var(--danger); }
.summary-hint { margin-left: 8px; color: var(--muted); font-size: 10px; font-weight: 400; }
.flag-group { margin: 2px 0 15px; }
.flag-group h3 { margin: 0 0 11px; color: var(--ink); font-size: 12px; font-weight: 700; }
.primary-flags { padding: 12px 14px; border: 1px solid var(--line); border-radius: 5px; background: #fafafa; }
.primary-flags .check-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.secondary-options { margin: 0 0 16px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); }
.secondary-options summary { padding: 11px 13px; }
.secondary-options .check-grid { padding: 0 13px 14px; }

.build-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 24px; }
.recipe-preview { display: flex; align-items: center; gap: 10px; min-width: 0; }
.recipe-icon { display: grid; place-items: center; flex: none; width: 30px; height: 30px; border: 1px solid var(--line-strong); border-radius: 4px; color: var(--accent); font-size: 17px; }
.recipe-preview strong, .recipe-preview small { display: block; }
.recipe-preview strong { overflow: hidden; color: var(--ink); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.recipe-preview small { max-width: 300px; overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.primary-button { display: flex; align-items: center; gap: 18px; flex: none; padding: 10px 14px; border: 1px solid var(--accent-dark); border-radius: 4px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; cursor: pointer; }
.primary-button:hover { background: var(--accent-dark); }
.primary-button:disabled { opacity: .45; cursor: not-allowed; }
.primary-button b { font-size: 17px; font-weight: 400; line-height: 1; }

.status-card .eyebrow, .status-card .step-count { color: var(--muted); }
.status-icon { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--muted); font-size: 16px; font-weight: 700; }
.status-icon.running { border-color: var(--accent); color: var(--accent); animation: pulse 1.4s infinite; }
.status-icon.success { border-color: #167347; background: #e5f4eb; color: #167347; }
.status-icon.error { border-color: var(--danger); background: #fff6f5; color: var(--danger); }
@keyframes pulse { 50% { box-shadow: 0 0 0 4px rgb(23 105 170 / 14%); } }
.status-text { min-height: 60px; margin: 26px 0; color: var(--muted); font-size: 13px; }
.progress-track { height: 4px; overflow: hidden; border-radius: 4px; background: #d5dee7; }
.progress-track span { display: block; width: 0; height: 100%; border-radius: 4px; background: var(--accent); transition: width .35s ease; }
.status-steps { display: flex; justify-content: space-between; margin-top: 10px; color: #8996a3; font-size: 10px; }
.status-steps .active { color: var(--accent-dark); font-weight: 700; }
.result-panel { margin-top: 25px; padding-top: 17px; border-top: 1px solid var(--line); }
.result-meta { display: grid; gap: 4px; margin-bottom: 13px; color: var(--muted); font-size: 10px; }
.result-meta strong { color: var(--ink); }
.result-panel a { display: block; padding: 10px; border: 1px solid var(--accent); border-radius: 4px; color: var(--accent-dark); text-align: center; font-size: 12px; font-weight: 700; }
.result-panel a:hover { background: var(--accent); color: #fff; text-decoration: none; }
.download-note { margin-top: 12px; padding: 10px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font-size: 11px; }
.download-note strong { display: block; margin-bottom: 2px; color: var(--ink); }
footer { display: flex; justify-content: space-between; gap: 18px; padding: 22px 0 26px; color: var(--muted); font-size: 10px; }

@media (max-width: 900px) {
  .workspace-grid { grid-template-columns: 1fr; }
  .side-column { border-top: 1px solid var(--line); border-left: 0; grid-template-columns: 1fr 1fr; }
  .small-note { border-top: 0; border-left: 1px solid var(--line); }
}
@media (max-width: 700px) {
  .shell { width: min(100% - 24px, 580px); }
  .topbar { align-items: flex-start; padding: 14px 0; }
  .topbar-actions { gap: 10px 14px; }
  .intro { display: block; padding: 34px 0 25px; }
  .intro-copy { margin-top: 17px; }
  .builder-card, .status-card { padding: 22px; }
  .field-grid.three, .field-grid.four { grid-template-columns: 1fr 1fr; }
  .check-grid { grid-template-columns: 1fr 1fr; }
  .primary-flags .check-grid { grid-template-columns: 1fr 1fr; }
  .side-column { grid-template-columns: 1fr; }
  .small-note { border-top: 1px solid var(--line); border-left: 0; padding: 17px 22px 22px; }
  .build-footer { align-items: stretch; flex-direction: column; }
  .primary-button { justify-content: space-between; }
  footer { display: block; }
  footer span { display: block; margin-top: 5px; }
}
@media (max-width: 460px) {
  .topbar { display: block; }
  .topbar-actions { justify-content: flex-start; margin-top: 13px; }
  .field-grid.three, .field-grid.four, .check-grid { grid-template-columns: 1fr; }
  .primary-flags .check-grid { grid-template-columns: 1fr; }
  .meta-line { display: block; }
  .meta-line #targetMeta { margin-top: 5px; text-align: left; }
}