:root {
  --navy-deep: #10263F;
  --navy: #173552;
  --teal: #0D9488;
  --teal-dark: #0F766E;
  --bg: #F6F8FB;
  --white: #FFFFFF;
  --text: #1F2937;
  --muted: #64748B;
  --border: #E2E8F0;
  --warning: #B45309;
  --danger: #B91C1C;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(16, 38, 63, 0.08);
  --max: 1280px;
  --font: "Noto Sans KR", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1200px 400px at 10% -10%, rgba(13,148,136,.12), transparent 60%),
    radial-gradient(900px 360px at 100% 0%, rgba(23,53,82,.10), transparent 55%),
    var(--bg);
  min-height: 100vh;
}
a { color: var(--teal-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; gap: 1rem;
  min-height: 68px; padding-block: .6rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .7rem;
  color: var(--navy-deep); text-decoration: none; flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(145deg, var(--navy-deep), var(--teal));
  display: grid; place-items: center; color: #fff;
}
.brand-text strong { display: block; font-size: 1.15rem; letter-spacing: -.02em; line-height: 1.2; }
.brand-text span { display: block; font-size: .72rem; color: var(--muted); letter-spacing: .04em; }
.nav-main { display: flex; flex-wrap: wrap; gap: .35rem 1rem; margin-left: .5rem; }
.nav-main a {
  color: var(--navy); font-weight: 600; font-size: .92rem; padding: .35rem 0;
}
.nav-main a:hover, .nav-main a.active { color: var(--teal-dark); text-decoration: none; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.search-mini {
  display: flex; border: 1px solid var(--border); border-radius: 999px;
  overflow: hidden; background: #fff; min-width: 180px;
}
.search-mini input {
  border: 0; outline: 0; padding: .45rem .85rem; width: 100%; font: inherit;
}
.search-mini button {
  border: 0; background: var(--navy); color: #fff; padding: 0 .9rem; cursor: pointer; font-weight: 600;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  min-height: 44px; padding: .55rem 1rem; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 700; cursor: pointer; text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); color: #fff; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-deep); color: #fff; }
.btn-ghost { background: #fff; border-color: var(--border); color: var(--navy); }
.btn-sm { min-height: 36px; padding: .35rem .75rem; font-size: .9rem; }

.demo-banner {
  background: #FFF7ED; color: var(--warning); border-bottom: 1px solid #FED7AA;
  font-size: .9rem; padding: .55rem 0; text-align: center; font-weight: 600;
}

.hero {
  padding: 2.2rem 0 1.4rem;
}
.hero-panel {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 55%, #0f5f5a 100%);
  color: #fff; border-radius: 20px; padding: 2rem 1.6rem; box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.hero-panel::after {
  content: ""; position: absolute; inset: auto -40px -60px auto; width: 220px; height: 220px;
  border: 28px solid rgba(255,255,255,.08); border-radius: 50%;
}
.hero-kicker { opacity: .85; font-size: .9rem; margin: 0 0 .4rem; }
.hero h1 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.03em; max-width: 18ch; }
.hero p { margin: .75rem 0 0; max-width: 42ch; opacity: .92; }
.hero-meta { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .6rem; font-size: .88rem; }
.hero-meta span {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px; padding: .35rem .75rem;
}

.grid-main {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1.7fr 1fr;
  padding-bottom: 2.5rem;
}
.stack { display: grid; gap: 1.25rem; }
.panel {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.1rem 1.15rem;
}
.panel h2 {
  margin: 0 0 .85rem; font-size: 1.1rem; color: var(--navy-deep);
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
}
.panel h2 .more { font-size: .85rem; font-weight: 600; color: var(--teal-dark); }
.muted { color: var(--muted); }
.badge {
  display: inline-flex; align-items: center; border-radius: 999px;
  padding: .15rem .55rem; font-size: .75rem; font-weight: 700;
  background: #E0F2F1; color: var(--teal-dark);
}
.badge-demo { background: #FFEDD5; color: var(--warning); }
.badge-status { background: #E2E8F0; color: var(--navy); }
.badge-confirmed { background: #DCFCE7; color: #166534; }
.badge-cancelled { background: #FEE2E2; color: var(--danger); }

.race-list, .post-list, .change-list { list-style: none; margin: 0; padding: 0; }
.race-list li, .post-list li, .change-list li {
  padding: .75rem 0; border-top: 1px solid var(--border);
}
.race-list li:first-child, .post-list li:first-child, .change-list li:first-child { border-top: 0; padding-top: 0; }
.race-row, .post-row {
  display: flex; gap: .75rem; align-items: flex-start; justify-content: space-between;
}
.race-row a, .post-row a { color: var(--text); font-weight: 700; }
.race-row a:hover, .post-row a:hover { color: var(--teal-dark); text-decoration: none; }
.meta-line { font-size: .85rem; color: var(--muted); margin-top: .2rem; }

.table-wrap { overflow-x: auto; }
table.data {
  width: 100%; border-collapse: collapse; min-width: 560px; font-size: .94rem;
}
table.data th, table.data td {
  border-bottom: 1px solid var(--border); padding: .7rem .55rem; text-align: left; vertical-align: top;
}
table.data th {
  color: var(--muted); font-size: .8rem; text-transform: none; letter-spacing: 0; font-weight: 700;
  position: sticky; left: 0; background: #fff;
}
.empty {
  padding: 1.4rem; text-align: center; color: var(--muted); background: #F8FAFC;
  border: 1px dashed var(--border); border-radius: 10px;
}

.page-head { padding: 1.6rem 0 1rem; }
.page-head h1 { margin: 0; font-size: clamp(1.4rem, 2.5vw, 1.9rem); color: var(--navy-deep); }
.filters {
  display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0;
}
.filters input, .filters select, .form-control {
  min-height: 44px; border: 1px solid var(--border); border-radius: 10px;
  padding: .5rem .75rem; font: inherit; background: #fff;
}
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 700; margin-bottom: .35rem; color: var(--navy); }
textarea.form-control { min-height: 180px; width: 100%; }
.alert {
  padding: .75rem 1rem; border-radius: 10px; margin-bottom: 1rem; font-weight: 600;
}
.alert-ok { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-err { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }

.site-footer {
  margin-top: 2rem; background: var(--navy-deep); color: #CBD5E1; padding: 2rem 0 5.5rem;
}
.site-footer a { color: #E2E8F0; }
.footer-grid {
  display: grid; gap: 1.2rem; grid-template-columns: 1.4fr 1fr 1fr;
}
.site-footer h3 { color: #fff; margin: 0 0 .6rem; font-size: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: .35rem 0; }
.footer-note { margin-top: 1.4rem; font-size: .85rem; opacity: .85; }

.mobile-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: none; background: #fff; border-top: 1px solid var(--border);
  padding: .35rem .5rem calc(.35rem + env(safe-area-inset-bottom));
}
.mobile-nav nav {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: .25rem;
}
.mobile-nav a {
  text-align: center; color: var(--muted); font-size: .72rem; font-weight: 700;
  padding: .4rem .2rem; text-decoration: none; border-radius: 8px;
}
.mobile-nav a span { display: block; font-size: 1.05rem; margin-bottom: .1rem; }
.mobile-nav a.active, .mobile-nav a:hover { color: var(--teal-dark); background: #F0FDFA; }

.comment { border-top: 1px solid var(--border); padding: .85rem 0; }
.comment-meta { font-size: .85rem; color: var(--muted); margin-bottom: .25rem; }
.reply { margin-left: 1rem; padding-left: .85rem; border-left: 3px solid var(--border); }

@media (max-width: 960px) {
  .grid-main { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-main { display: none; }
  .mobile-nav { display: block; }
  .search-mini { min-width: 0; width: 140px; }
  body { padding-bottom: 4.5rem; }
  .site-footer { padding-bottom: 6rem; }
}
@media (max-width: 520px) {
  .header-actions .btn-ghost { display: none; }
  .hero-panel { padding: 1.4rem 1.1rem; }
}