:root {
  --bg: #0f1115;
  --card: #171b22;
  --card2: #1d222b;
  --line: #2a313d;
  --fg: #e8ecf2;
  --dim: #97a1b1;
  --acc: #35c07a;
  --acc2: #2aa366;
  --warn: #e0a33c;
  --bad: #e2635f;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1 { font-size: 21px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; letter-spacing: .5px; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; background: #101319; padding: 1px 5px; border-radius: 4px; }

/* 登录层 */
.login-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 22px 16px; }
.login-card { width: min(430px, 100%); background: linear-gradient(160deg, #1a2028, #141821); border: 1px solid var(--line); border-radius: 16px; padding: 26px 22px 20px; box-shadow: 0 18px 50px rgba(0,0,0,.45); }
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 26px; }
.poem { margin: 10px 0 18px; color: var(--warn); font-size: 14px; letter-spacing: 1px; border-left: 3px solid var(--warn); padding-left: 10px; }
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab { flex: 1; background: var(--card2); color: var(--dim); border: 1px solid var(--line); border-radius: 9px; padding: 9px 10px; font-size: 14px; }
.tab.active { background: var(--acc); color: #062315; border-color: var(--acc); font-weight: 600; }
.foot { color: var(--dim); font-size: 12.5px; margin-top: 16px; }

/* 表单 */
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 13px; color: var(--dim); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; background: #10141b; color: var(--fg); border: 1px solid var(--line);
  border-radius: 9px; padding: 11px 12px; font-size: 15px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--acc); }
.row { display: flex; gap: 8px; align-items: center; }
.row input { flex: 1; }
.row em { color: var(--dim); font-style: normal; }
.hint { display: block; color: var(--dim); font-size: 12px; margin-top: 6px; line-height: 1.5; }
button { cursor: pointer; border: none; border-radius: 10px; font-size: 15px; }
.primary { width: 100%; background: var(--acc); color: #062315; padding: 13px; font-weight: 700; letter-spacing: 2px; }
.primary:disabled { opacity: .5; }
.ghost { background: var(--card2); color: var(--fg); border: 1px solid var(--line); padding: 10px 14px; font-size: 14px; }
.ghost.tiny { padding: 5px 10px; font-size: 12.5px; }
.ghost.danger { color: var(--bad); }
.msg { min-height: 22px; margin-top: 12px; font-size: 13.5px; white-space: pre-wrap; }
.msg.ok { color: var(--acc); } .msg.bad { color: var(--bad); } .msg.wait { color: var(--warn); }

/* 主界面 */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 16px; background: rgba(15,17,21,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
.who b { display: block; font-size: 15px; } .who span { color: var(--dim); font-size: 12.5px; }
.acts { display: flex; gap: 8px; }
main { max-width: 860px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin-bottom: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin-bottom: 14px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.stats > div { background: var(--card2); border-radius: 11px; padding: 12px 14px; }
.stats b { display: block; font-size: 22px; color: var(--acc); }
.stats span { color: var(--dim); font-size: 12.5px; }
.rule-line { margin-top: 12px; color: var(--dim); font-size: 13px; }
.log { background: #0b0e13; border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 14px 0 0; font: 12.5px/1.7 ui-monospace, Menlo, Consolas, monospace; white-space: pre-wrap; max-height: 340px; overflow: auto; }
.log.small { max-height: 260px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--dim); font-weight: 500; font-size: 12.5px; }
td.bad { color: var(--bad); } td.ok { color: var(--acc); }
#btnPreview { margin-left: 8px; }
@media (max-width: 520px) { #btnPreview { margin: 10px 0 0; } .poem { font-size: 13px; } }

.rules p{margin:.4rem 0}
.tbl{width:100%;border-collapse:collapse;margin:.45rem 0}
.tbl th,.tbl td{border:1px solid #2a3340;padding:.32rem .55rem;text-align:left}
.tbl th{background:#1b222b;color:#9fb0c0}