/* SellerFeeCalc — global styles */
:root {
  --primary: #3b3486;
  --primary-dark: #2a2463;
  --accent: #ff6b57;
  --accent-dark: #e5533f;
  --bg: #f7f7fb;
  --card: #ffffff;
  --text: #23223a;
  --muted: #6b6a85;
  --border: #e3e2ef;
  --result-bg: #f2f1fa;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.container { max-width: 860px; margin: 0 auto; padding: 0 20px; }

/* Header */
header { background: var(--primary); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; max-width: 860px; margin: 0 auto; flex-wrap: wrap; gap: 8px; }
.logo { color: #fff; font-size: 1.25rem; font-weight: 800; text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--accent); }
header nav { display: flex; gap: 18px; flex-wrap: wrap; }
header nav a { color: #d9d7f0; text-decoration: none; font-size: 0.92rem; font-weight: 500; }
header nav a:hover { color: #fff; }

/* Hero */
.hero { text-align: center; padding: 36px 0 8px; }
.hero h1 { font-size: 2rem; color: var(--primary-dark); letter-spacing: -0.02em; }
.hero .sub { color: var(--muted); max-width: 640px; margin: 10px auto 0; font-size: 1.02rem; }
.breadcrumb { font-size: 0.85rem; color: var(--muted); padding-top: 16px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }

/* Calculator card */
.calc-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 26px; margin: 26px 0; box-shadow: 0 2px 10px rgba(42, 36, 99, 0.06);
}
.calc-card h2 { font-size: 1.2rem; color: var(--primary-dark); margin-bottom: 16px; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.86rem; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.field input, .field select {
  padding: 11px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 1rem; background: #fff; color: var(--text); width: 100%;
}
.field input:focus, .field select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
.unit-row { display: flex; gap: 8px; }
.unit-row input { flex: 1; }
.unit-row select { width: 86px; }
.check-row { display: flex; align-items: center; gap: 8px; }
.check-row input { width: auto; }

.btn {
  display: block; width: 100%; margin-top: 18px; padding: 14px;
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  font-size: 1.05rem; font-weight: 700; cursor: pointer;
}
.btn:hover { background: var(--accent-dark); }

/* Results */
.results { display: none; margin-top: 22px; background: var(--result-bg); border-radius: 10px; padding: 20px; }
.results.visible { display: block; }
.results h3 { color: var(--primary-dark); font-size: 1.05rem; margin-bottom: 12px; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.result-box { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: center; }
.result-box .value { font-size: 1.35rem; font-weight: 800; color: var(--primary-dark); }
.result-box.highlight .value { color: var(--accent-dark); }
.result-box .label { font-size: 0.78rem; color: var(--muted); margin-top: 3px; }
.result-note { font-size: 0.9rem; color: var(--muted); margin-top: 12px; }
.result-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.result-actions button {
  padding: 8px 14px; border: 1px solid var(--border); background: #fff;
  border-radius: 7px; font-size: 0.85rem; cursor: pointer; color: var(--text);
}
.result-actions button:hover { border-color: var(--primary); color: var(--primary); }

/* Fee breakdown table inside results */
.fee-table { width: 100%; border-collapse: collapse; margin-top: 14px; background: #fff; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.fee-table td { padding: 9px 13px; font-size: 0.9rem; border-bottom: 1px solid var(--border); }
.fee-table tr:last-child td { border-bottom: none; font-weight: 700; }
.fee-table td:last-child { text-align: right; }

/* Ad slot */
.ad-slot {
  margin: 26px 0; min-height: 100px; border: 1px dashed var(--border);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: #b9b8cc; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em;
  background: repeating-linear-gradient(45deg, #fafafd, #fafafd 12px, #f4f3f9 12px, #f4f3f9 24px);
}

/* Content */
.content { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 30px; margin-bottom: 30px; }
.content h2 { color: var(--primary-dark); font-size: 1.35rem; margin: 26px 0 12px; }
.content h2:first-child { margin-top: 0; }
.content h3 { color: var(--primary-dark); font-size: 1.08rem; margin: 20px 0 8px; }
.content p { margin-bottom: 14px; }
.content a { color: var(--primary); }
.content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.93rem; }
.content th { background: var(--primary); color: #fff; text-align: left; padding: 10px 12px; }
.content td { padding: 9px 12px; border-bottom: 1px solid var(--border); }
.content tr:nth-child(even) td { background: #f8f8fc; }
.callout {
  background: var(--result-bg); border-left: 4px solid var(--accent);
  padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 16px 0; font-size: 0.95rem;
}

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { padding: 14px 0; font-weight: 600; cursor: pointer; color: var(--primary-dark); }
.faq-item .faq-body { padding: 0 0 14px; color: var(--muted); }

/* Related */
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 14px 0; }
.related-card {
  border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px;
  text-decoration: none; color: var(--text); background: #fff; display: block;
}
.related-card:hover { border-color: var(--primary); }
.related-card strong { color: var(--primary); display: block; margin-bottom: 3px; }
.related-card span { font-size: 0.85rem; color: var(--muted); }

/* Footer */
footer { background: var(--primary-dark); color: #c9c7e4; padding: 34px 0 24px; font-size: 0.88rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 22px; max-width: 860px; margin: 0 auto; padding: 0 20px; }
footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 10px; }
footer a { color: #c9c7e4; text-decoration: none; display: block; margin-bottom: 6px; }
footer a:hover { color: #fff; }
footer p { margin-bottom: 6px; }
.footer-bottom { text-align: center; margin-top: 26px; padding: 16px 20px 0; border-top: 1px solid #3d3670; color: #9b99c2; font-size: 0.8rem; }

@media (max-width: 720px) {
  .calc-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.6rem; }
  .content { padding: 22px; }
}

@media print {
  header nav, .ad-slot, .result-actions, footer, .related-grid { display: none !important; }
}