/* Bannerty: page + editor styles. Loaded after /_kit/kit.css; everything here is scoped to bt- classes or the page shell. */
:root { --bt-ink: #12101a; --bt-muted: #5b5670; --bt-line: #e6e3ef; --bt-bg: #fbf8f6; --bt-card: #fff; --bt-accent: #c2410c; --bt-accent-ink: #fff; --bt-radius: 14px; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--bt-ink); background: var(--bt-bg); }
a { color: var(--bt-accent); }
.bt-wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.bt-header { background: #fff; border-bottom: 1px solid var(--bt-line); }
.bt-header .bt-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.bt-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--bt-ink); text-decoration: none; letter-spacing: -.01em; }
.bt-brand svg { width: 30px; height: 30px; }
.bt-nav { display: flex; gap: 6px 16px; flex-wrap: wrap; font-size: .95rem; }
.bt-nav a { color: var(--bt-muted); text-decoration: none; padding: 6px 0; }
.bt-nav a:hover, .bt-nav a[aria-current] { color: var(--bt-ink); }
.bt-hero { padding: 40px 0 8px; }
.bt-hero h1 { font-size: clamp(1.9rem, 4.2vw, 2.9rem); line-height: 1.12; margin: 0 0 12px; letter-spacing: -.02em; }
.bt-lead { font-size: 1.12rem; color: var(--bt-muted); max-width: 720px; margin: 0 0 8px; }
.bt-tool { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; background: var(--bt-card); border: 1px solid var(--bt-line); border-radius: var(--bt-radius); padding: 18px; margin: 20px 0 36px; box-shadow: 0 8px 30px rgba(40, 20, 90, .06); }
.bt-stage { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.bt-canvas-box { background: repeating-conic-gradient(#eeeaf6 0 25%, #fff 0 50%) 0 0/20px 20px; border-radius: 10px; padding: 12px; display: flex; align-items: center; justify-content: center; min-height: 160px; }
.bt-canvas-box canvas { max-width: 100%; height: auto; display: block; border-radius: 4px; box-shadow: 0 2px 12px rgba(0, 0, 0, .15); }
.bt-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; font-size: .92rem; color: var(--bt-muted); }
.bt-size { font-weight: 700; color: var(--bt-ink); }
.bt-controls { display: flex; flex-direction: column; gap: 12px; font-size: .95rem; }
.bt-controls label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; }
.bt-controls input[type=text], .bt-controls select { font: inherit; font-weight: 400; padding: 9px 10px; border: 1px solid var(--bt-line); border-radius: 8px; background: #fff; min-height: 44px; }
.bt-controls input[type=range] { width: 100%; accent-color: var(--bt-accent); }
.bt-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bt-inline { display: flex; align-items: center; gap: 8px; font-weight: 500 !important; flex-direction: row !important; }
.bt-inline input { width: 20px; height: 20px; accent-color: var(--bt-accent); }
.bt-colors { display: flex; gap: 8px; align-items: center; }
.bt-colors input[type=color] { width: 44px; height: 44px; border: 1px solid var(--bt-line); border-radius: 8px; padding: 2px; background: #fff; }
.bt-swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.bt-swatch { width: 34px; height: 34px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px var(--bt-line); cursor: pointer; }
.bt-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 700; border: 0; border-radius: 10px; padding: 12px 18px; min-height: 48px; cursor: pointer; background: var(--bt-accent); color: var(--bt-accent-ink); text-decoration: none; }
.bt-btn:hover { filter: brightness(1.08); }
.bt-btn.ghost { background: #fff; color: var(--bt-ink); border: 1px solid var(--bt-line); font-weight: 600; min-height: 40px; padding: 8px 12px; }
.bt-file { font-weight: 400; }
.bt-note { font-size: .88rem; color: var(--bt-muted); margin: 0; }
.bt-section { padding: 28px 0; }
.bt-section h2 { font-size: 1.6rem; margin: 0 0 14px; letter-spacing: -.01em; }
.bt-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.bt-card { background: var(--bt-card); border: 1px solid var(--bt-line); border-radius: var(--bt-radius); padding: 16px 18px; text-decoration: none; color: var(--bt-ink); display: block; }
.bt-card strong { display: block; font-size: 1.05rem; }
.bt-card span { color: var(--bt-muted); font-size: .95rem; }
a.bt-card:hover { border-color: var(--bt-accent); }
.bt-table-wrap { overflow-x: auto; background: var(--bt-card); border: 1px solid var(--bt-line); border-radius: var(--bt-radius); }
.bt-table-wrap table { border-collapse: collapse; width: 100%; font-size: .97rem; }
.bt-table-wrap th, .bt-table-wrap td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--bt-line); vertical-align: top; }
.bt-table-wrap th { background: #fdf1ea; font-weight: 700; }
.bt-table-wrap tr:last-child td { border-bottom: 0; }
.bt-prose { max-width: 760px; }
.bt-faq details { background: var(--bt-card); border: 1px solid var(--bt-line); border-radius: 10px; padding: 4px 16px; margin: 0 0 10px; }
.bt-faq summary { cursor: pointer; list-style: none; }
.bt-faq summary h3 { display: inline; font-size: 1.05rem; margin: 0; }
.bt-faq summary::before { content: "+"; display: inline-block; width: 1.2em; font-weight: 700; color: var(--bt-accent); }
.bt-faq details[open] summary::before { content: "-"; }
.bt-faq summary { padding: 10px 0; }
.bt-footer { border-top: 1px solid var(--bt-line); background: #fff; margin-top: 30px; padding: 26px 0; font-size: .92rem; color: var(--bt-muted); }
.bt-footer .bt-wrap { display: flex; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.bt-footer a { color: var(--bt-muted); margin-right: 14px; }
.bt-sources { font-size: .9rem; color: var(--bt-muted); }
@media (max-width: 860px) {
  .bt-tool { grid-template-columns: 1fr; padding: 12px; }
  .bt-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .bt-grid { grid-template-columns: 1fr; }
  .bt-hero { padding-top: 26px; }
}