:root {
  --bg: #0f1419;
  --bg2: #1a222c;
  --ink: #e8eef4;
  --muted: #9aa8b5;
  --accent: #3d9a6a;
  --accent2: #2a7a52;
  --warn: #c9a227;
  --danger: #c45c5c;
  --line: #2a3540;
  --radius: 10px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1e3a2f 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #1a2a3d 0%, transparent 50%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(980px, 92%); margin: 0 auto; }
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; gap: 1rem; flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.25rem; color: var(--ink); letter-spacing: 0.04em; }
.nav { display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: center; font-size: 0.95rem; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--ink); }
.lang a { padding: 0.15rem 0.4rem; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); }
.lang a.active { background: var(--accent2); color: #fff; border-color: var(--accent2); }

.hero { padding: 2.5rem 0 2rem; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); margin: 0 0 0.5rem; letter-spacing: 0.06em; }
.hero p { color: var(--muted); max-width: 36rem; font-size: 1.05rem; }
.btn {
  display: inline-block; background: var(--accent); color: #fff !important; border: 0;
  padding: 0.65rem 1.1rem; border-radius: 8px; font-weight: 600; cursor: pointer; text-decoration: none !important;
}
.btn:hover { background: var(--accent2); }
.btn.secondary { background: transparent; border: 1px solid var(--line); color: var(--ink) !important; }
.btn.danger { background: var(--danger); }
.btn.small { padding: 0.35rem 0.7rem; font-size: 0.85rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.card {
  background: color-mix(in srgb, var(--bg2) 88%, transparent);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem;
}
.card h3 { margin: 0 0 0.4rem; }
.muted { color: var(--muted); }
.price { font-size: 1.35rem; font-weight: 700; margin: 0.6rem 0; color: #b8e0c8; }

label { display: block; margin: 0.75rem 0 0.3rem; font-size: 0.9rem; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 0.55rem 0.7rem; border-radius: 8px; border: 1px solid var(--line);
  background: #121820; color: var(--ink); font: inherit;
}
textarea { min-height: 90px; }
.flash { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.flash.ok { background: #1e3d2e; border: 1px solid #2f6b4a; }
.flash.err { background: #3d1e1e; border: 1px solid #6b2f2f; }
.badge {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.8rem;
  background: #243040; color: var(--muted);
}
.badge.awaiting_payment { background: #3d3420; color: #e6d48a; }
.badge.active { background: #1e3d2e; color: #9ad4b0; }
.badge.pending_request { background: #243040; color: #a8c0d8; }
.badge.cancelled { background: #3d1e1e; color: #e0a0a0; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.qr-img { max-width: 240px; border-radius: 8px; border: 1px solid var(--line); background: #fff; padding: 0.5rem; }
.sub-box {
  word-break: break-all; background: #121820; border: 1px solid var(--line);
  padding: 0.75rem; border-radius: 8px; font-family: ui-monospace, Consolas, monospace; font-size: 0.85rem;
}
.footer { margin: 3rem 0 2rem; color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.admin-nav { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.guide pre {
  white-space: pre-wrap; background: #121820; border: 1px solid var(--line);
  padding: 0.9rem; border-radius: 8px; color: var(--muted);
}
.row-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }