:root {
  --bg: #f6f3ee; --card: #ffffff; --ink: #1f1a17; --muted: #6b625b; --line: #e6dfd6;
  --brand: #c8412b; --brand-ink: #fff; --gold: #d9a23a; --ok: #1f8a4c; --err: #b8321f;
  --radius: 14px; --shadow: 0 6px 24px rgba(31,26,23,.08);
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--brand); }
.wrap { max-width: 720px; margin: 0 auto; padding: 20px 16px 60px; }
.wrap.wide { max-width: 1100px; }
header.hero { text-align: center; padding: 28px 0 12px; }
header.hero h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: .5px; }
header.hero .sub { color: var(--muted); font-size: 15px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin: 14px 0; box-shadow: var(--shadow); }
.card h2 { margin: 0 0 12px; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.prizes { display: grid; gap: 10px; }
.prize { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; background: linear-gradient(135deg, #fff8ef, #fff); border: 1px solid #f1e3cc; }
.prize .medal { font-size: 26px; }
.prize .name { font-weight: 600; }
.prize .meta { color: var(--muted); font-size: 13px; }
.prize .count { margin-left: auto; font-weight: 700; color: var(--brand); white-space: nowrap; }
.rules { white-space: pre-wrap; font-size: 14.5px; color: #3a332e; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat { flex: 1 1 140px; background: #faf7f2; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat .k { color: var(--muted); font-size: 12.5px; }
.stat .v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .v.small { font-size: 15px; word-break: break-all; }
label { display: block; font-size: 13.5px; color: var(--muted); margin: 10px 0 4px; }
input[type=text], input[type=password], textarea { width: 100%; font: inherit; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
input:focus, textarea:focus { outline: 2px solid rgba(200,65,43,.25); border-color: var(--brand); }
textarea { min-height: 120px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
button, .btn { font: inherit; font-weight: 600; padding: 11px 18px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; background: var(--brand); color: var(--brand-ink); }
button.secondary { background: #fff; color: var(--ink); border-color: var(--line); }
button.ghost { background: transparent; color: var(--brand); border-color: transparent; padding: 6px 8px; }
button.danger { background: #fff; color: var(--err); border-color: #efc8c1; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.block { width: 100%; margin-top: 14px; font-size: 16px; padding: 13px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12.5px; background: #f1ece4; color: #5b524a; }
.pill.ok { background: #e3f3e9; color: var(--ok); }
.pill.warn { background: #fbeee0; color: #9a5b12; }
.pill.err { background: #fbe4e0; color: var(--err); }
.muted { color: var(--muted); font-size: 13.5px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; word-break: break-all; }
.notice { padding: 12px 14px; border-radius: 10px; background: #fff6e5; border: 1px solid #f2dcb3; font-size: 14px; }
.notice.ok { background: #e9f7ee; border-color: #bfe3cc; }
.notice.err { background: #fdeceb; border-color: #f2c1bb; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
tr.dup td { background: #fff4f2; }
tr.won td { background: #fff9ec; }
.winner-list { display: grid; gap: 8px; }
.winner { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: #fffaf0; border: 1px solid #f3e4c4; border-radius: 10px; }
.winner .who { font-weight: 700; }
.winner .plate { color: var(--muted); font-size: 13px; }
.winner .calc { margin-left: auto; text-align: right; }
#toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); opacity: 0; transition: .25s; padding: 10px 16px; border-radius: 10px; color: #fff; background: #333; font-size: 14px; pointer-events: none; z-index: 99; max-width: 90vw; }
#toast.show { opacity: 1; transform: translateX(-50%); }
#toast.ok { background: var(--ok); } #toast.err { background: var(--err); }
footer { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 30px; }
footer a { color: var(--muted); }
@media (max-width: 480px) { header.hero h1 { font-size: 23px; } .card { padding: 15px; } }