:root {
  --ink: #17202b;
  --muted: #5b6b7c;
  --line: #e3e8ef;
  --bg: #f7f8fa;
  --card: #ffffff;
  --accent: #0e7c6b;
  --accent-dark: #0a5f52;
  --gold: #b7791f;
  --danger: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

/* header */
.site-header { background: var(--ink); color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 56px; flex-wrap: wrap; gap: 8px; }
.brand { color: #fff; font-size: 26px; font-weight: 800; letter-spacing: -0.5px; }
.brand:hover { text-decoration: none; }
.brand-dot { color: #2dd4bf; }
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: #cbd5e1; font-size: 15px; }
.main-nav a:hover { color: #fff; }

/* hero */
.hero { padding: 36px 0 8px; }
.hero h1 { font-size: 34px; line-height: 1.2; margin: 0 0 10px; letter-spacing: -0.5px; }
.hero p { color: var(--muted); font-size: 17px; margin: 0 0 16px; max-width: 640px; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 6px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; border: none;
  padding: 11px 20px; border-radius: 8px; font-size: 16px; font-weight: 650;
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn.small { padding: 7px 12px; font-size: 14px; border-radius: 6px; }
.btn.danger { background: var(--danger); }

/* notice */
.notice {
  background: #fff7e6; border: 1px solid #f0d9a0; color: #6b4e00;
  padding: 12px 14px; border-radius: 8px; margin: 18px 0;
}
.notice strong { color: #4d3600; }

/* leaderboard */
.section-title { font-size: 22px; margin: 28px 0 4px; }
.section-sub { color: var(--muted); margin: 0 0 14px; }
.board { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.board-row {
  display: grid; grid-template-columns: 52px 1fr auto auto auto; gap: 12px;
  align-items: center; padding: 14px 16px; border-top: 1px solid var(--line);
}
.board-row:first-child { border-top: none; }
.board-row.top { background: #fffaf0; }
.rank {
  font-size: 20px; font-weight: 800; text-align: center; color: var(--muted);
}
.rank.first { color: var(--gold); }
.site-name { font-weight: 700; font-size: 17px; }
.site-url { color: var(--muted); font-size: 13px; word-break: break-all; }
.bid-amount { font-weight: 800; font-size: 17px; white-space: nowrap; }
.clicks { color: var(--muted); font-size: 13px; white-space: nowrap; text-align: right; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); }

/* history table */
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { padding: 10px 12px; text-align: left; border-top: 1px solid var(--line); font-size: 15px; }
th { color: var(--muted); font-weight: 600; border-top: none; }
td.amount { font-weight: 700; white-space: nowrap; }

/* forms */
.form-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 22px; max-width: 560px; margin: 24px 0;
}
.form-card label { display: block; font-weight: 650; margin: 14px 0 5px; }
.form-card label:first-child { margin-top: 0; }
.form-card input[type="text"], .form-card input[type="url"],
.form-card input[type="email"], .form-card input[type="number"],
.form-card input[type="password"] {
  width: 100%; padding: 10px 12px; font-size: 16px;
  border: 1px solid #cbd5e1; border-radius: 8px;
}
.form-card input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.hint { color: var(--muted); font-size: 13px; margin-top: 4px; }
.errors { background: #fdecea; border: 1px solid #f5c6c2; color: #7a1f1a; padding: 12px 14px; border-radius: 8px; margin: 0 0 14px; }
.errors ul { margin: 0; padding-left: 20px; }
.current-bid { font-size: 17px; margin: 10px 0; }
.current-bid strong { font-size: 22px; }

/* legal pages */
.legal h1 { font-size: 28px; }
.legal h2 { font-size: 19px; margin-top: 26px; }
.legal p, .legal li { color: #334155; }
.legal ul { padding-left: 22px; }

/* admin */
.admin-table { font-size: 14px; }
.admin-table td { vertical-align: top; }
.inline-form { display: inline; }
.inline-form input[type="text"] { width: 150px; padding: 4px 6px; font-size: 13px; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pill.active { background: #dcfce7; color: #166534; }
.pill.pending { background: #fef3c7; color: #92400e; }

/* footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 20px 0 32px; color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer nav { display: flex; gap: 16px; }
@media (max-width: 640px) {
  .hero h1 { font-size: 27px; }
  .board-row { grid-template-columns: 40px 1fr auto; }
  .clicks { display: none; }
  .board-row .btn { grid-column: 3; }
}