:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --text: #172033;
  --muted: #5b6578;
  --line: #d9e0ea;
  --brand: #243b6b;
  --brand-2: #355da8;
  --accent: #b94f5d;
  --success: #167354;
  --warning: #916319;
  --danger: #a33636;
  --shadow: 0 12px 30px rgba(28, 44, 74, .08);
  --radius: 18px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--brand-2); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px max(20px, calc((100vw - var(--max))/2)); background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.brand { color: var(--brand); font-weight: 900; font-size: 1.18rem; text-decoration: none; white-space: nowrap; }
.brand span { font-weight: 700; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-header nav a { color: var(--text); text-decoration: none; font-weight: 700; font-size: .94rem; }
.site-header nav a:hover { color: var(--brand-2); }
.page { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; padding: 40px 0 70px; }
.page.narrow { max-width: 800px; }
.hero { padding: 54px 0 34px; display: grid; grid-template-columns: 1.35fr .65fr; gap: 30px; align-items: center; }
.hero h1, .page h1 { font-size: clamp(2.1rem, 5vw, 4.2rem); line-height: 1.03; letter-spacing: -.04em; margin: 0 0 18px; }
.hero p, .lead { color: var(--muted); font-size: 1.15rem; max-width: 760px; }
.hero-badge { justify-self: end; width: min(330px, 100%); padding: 28px; border-radius: 28px; background: var(--brand); color: white; box-shadow: var(--shadow); }
.hero-badge strong { display: block; font-size: 2.5rem; line-height: 1; }
.eyebrow { color: var(--accent); font-weight: 900; text-transform: uppercase; letter-spacing: .1em; font-size: .76rem; margin-bottom: 10px; }
.grid { display: grid; gap: 18px; }
.grid.tools { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.tool-card { display: flex; flex-direction: column; min-height: 235px; }
.tool-card h2 { margin: 5px 0 10px; font-size: 1.35rem; }
.tool-card p { color: var(--muted); flex: 1; }
.icon-chip { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--surface-2); font-weight: 900; color: var(--brand); }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); font-weight: 800; text-decoration: none; }
.button:hover { border-color: #aab6c7; }
.button.primary { background: var(--brand); color: white; border-color: var(--brand); }
.button.secondary { background: var(--brand-2); color: white; border-color: var(--brand-2); }
.button.ghost { background: transparent; }
.button.danger { color: var(--danger); }
.section { margin-top: 34px; }
.section > h2 { font-size: 1.7rem; margin-bottom: 8px; }
.section-intro { color: var(--muted); margin-top: 0; }
.calculator-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr); gap: 22px; align-items: start; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.form-grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label, label.field { font-weight: 800; font-size: .92rem; }
.field small, .help { color: var(--muted); font-size: .83rem; font-weight: 500; }
input, select, textarea { width: 100%; min-height: 44px; border: 1px solid #bdc7d5; border-radius: 10px; padding: 9px 11px; background: white; color: var(--text); }
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(53,93,168,.14); border-color: var(--brand-2); }
fieldset { border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin: 0 0 16px; }
legend { font-weight: 900; padding: 0 6px; }
.segmented { display: flex; flex-wrap: wrap; gap: 8px; }
.segmented label { position: relative; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; font-weight: 800; background: white; }
.segmented input:checked + span { background: var(--brand); color: white; border-color: var(--brand); }
.result-card { position: sticky; top: 84px; }
.result-card h2 { margin-top: 0; }
.result-big { font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1; font-weight: 950; color: var(--brand); margin: 8px 0; }
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 16px; }
.result-item { background: var(--surface-2); border-radius: 12px; padding: 13px; }
.result-item strong { display: block; font-size: 1.12rem; }
.result-item span { display: block; color: var(--muted); font-size: .82rem; }
.notice { background: #fff8e7; border: 1px solid #ead399; border-radius: 12px; padding: 13px 15px; color: #5f491c; margin-top: 16px; }
.notice.info { background: #edf4ff; border-color: #c9d9f0; color: #294a7d; }
.notice.success { background: #eaf8f1; border-color: #b8e0cd; color: #235f49; }
.notice.danger { background: #fff0f0; border-color: #efc4c4; color: #7d2a2a; }
.house-ad { margin-top: 22px; padding: 20px; border-radius: var(--radius); background: linear-gradient(135deg, var(--brand), #17264a); color: white; }
.house-ad h3 { margin: 0 0 7px; }
.house-ad p { margin: 0 0 14px; opacity: .9; }
.house-ad .button { background: white; color: var(--brand); border-color: white; }
.market-toolbar { display: grid; grid-template-columns: 1.5fr repeat(3, minmax(120px,.6fr)); gap: 10px; }
.filters-secondary { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 10px; }
.market-list { display: grid; gap: 12px; margin-top: 18px; }
.market-card { background: white; border: 1px solid var(--line); border-radius: 16px; padding: 19px; display: grid; grid-template-columns: 1fr auto; gap: 20px; }
.market-card h3 { margin: 0 0 6px; font-size: 1.22rem; }
.market-meta { color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: .9rem; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.tag { padding: 4px 8px; border-radius: 999px; background: var(--surface-2); color: #3f4c62; font-size: .77rem; font-weight: 800; }
.market-actions { display: flex; flex-direction: column; gap: 8px; min-width: 145px; }
.empty-state { text-align: center; padding: 44px 20px; color: var(--muted); }
.status { min-height: 24px; color: var(--muted); }
.detail-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin: 22px 0; }
.detail-grid > div { background: var(--surface-2); border-radius: 12px; padding: 13px; }
.detail-grid strong, .detail-grid span { display: block; }
.detail-grid span { color: var(--muted); margin-top: 3px; }
.event-detail section { margin-top: 25px; }
.back-link { display: inline-block; margin-bottom: 14px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 9px; font-weight: 700; }
.checkbox-row input { width: auto; min-height: 0; margin-top: 5px; }
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.admin-item { border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-top: 10px; }
.admin-item pre { white-space: pre-wrap; word-break: break-word; font-size: .8rem; background: var(--surface-2); padding: 10px; border-radius: 8px; }
.hidden { display: none !important; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); text-align: center; padding: 28px 16px 45px; background: white; }
hr { border: 0; border-top: 1px solid var(--line); margin: 26px 0; }
code { background: var(--surface-2); padding: 2px 5px; border-radius: 5px; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-badge { justify-self: start; }
  .grid.tools { grid-template-columns: repeat(2,1fr); }
  .calculator-layout { grid-template-columns: 1fr; }
  .result-card { position: static; }
  .market-toolbar { grid-template-columns: 1fr 1fr; }
  .filters-secondary { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .admin-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 8px; }
  .site-header nav { gap: 10px 14px; }
  .page { width: min(100% - 22px, var(--max)); padding-top: 25px; }
  .hero { padding-top: 25px; }
  .grid.tools, .form-grid, .form-grid.three, .result-grid, .market-toolbar, .filters-secondary, .detail-grid { grid-template-columns: 1fr; }
  .market-card { grid-template-columns: 1fr; }
  .market-actions { flex-direction: row; flex-wrap: wrap; }
}