* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: #f5f7fb;
  color: #1f2937;
}
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}
.site-header {
  background: #111827;
  color: #fff;
  padding: 16px 0 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.brand-area {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.logo {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 22px;
}
.brand-sub {
  font-size: 12px;
  color: #9ca3af;
}
.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.main-nav a {
  color: #e5e7eb;
  text-decoration: none;
}
.nav-signup, .nav-logout {
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
}
.header-status {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #d1d5db;
}
.main-content { padding: 32px 20px 60px; }
.hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: center;
}
.badge {
  display: inline-block;
  background: #e5e7eb;
  color: #111827;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 12px;
}
h1 { font-size: 36px; margin: 0 0 12px; }
h2 { margin-top: 0; }
h3 { margin-top: 0; }
.card {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.compact-card p { margin-bottom: 0; }
.soft { background: #fcfcfd; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  border: none;
  background: #e5e7eb;
  color: #111827;
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}
.btn.primary {
  background: #111827;
  color: #fff;
}
.btn.small {
  padding: 8px 12px;
  font-size: 13px;
}
.auth-wrap { max-width: 520px; margin: 0 auto; }
.form-grid {
  display: grid;
  gap: 14px;
}
.form-grid input {
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 14px;
}
.muted { color: #6b7280; }
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.top-gap { margin-top: 20px; }
.maxw { max-width: 760px; }
.flash {
  padding: 14px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
}
.flash-success { background: #dcfce7; color: #166534; }
.flash-danger { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #fef3c7; color: #92400e; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
  padding: 12px 10px;
  font-size: 14px;
}
.list { padding-left: 18px; }
.rich-list { display: grid; gap: 10px; padding-left: 18px; }
.rich-list li span { display: block; color: #6b7280; margin-top: 3px; }
.check-row { display: flex; align-items: center; gap: 8px; }
.page-head, .section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.section-head a {
  color: #2563eb;
  text-decoration: none;
  font-size: 14px;
}
.stat-card { min-height: 155px; }
.stat-label {
  font-size: 13px;
  color: #6b7280;
}
.stat-value {
  font-size: 30px;
  font-weight: 700;
  margin: 10px 0 8px;
}
@media (max-width: 900px) {
  .hero, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .header-row { flex-direction: column; align-items: flex-start; }
  .main-nav { gap: 10px; }
  .page-head, .section-head { flex-direction: column; align-items: flex-start; }
}