:root {
  --primary: #c8102e;
  --primary-dark: #9b0c23;
  --bg: #f7f5f2;
  --card: #ffffff;
  --text: #2b2320;
  --muted: #8a7f78;
  --line: #e8e2db;
  --ok: #1a7f4b;
  --bad: #c0392b;
  --warn: #b7791f;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
.container { max-width: 1080px; margin: 0 auto; padding: 24px 16px 60px; }
.topbar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 2px 10px rgba(155,12,35,.25);
}
.topbar .brand { font-size: 18px; font-weight: 700; letter-spacing: 1px; display: flex; align-items: center; gap: 8px; }
.topbar .meta { font-size: 13px; opacity: .92; display: flex; gap: 14px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--primary); color: #fff; border: none; border-radius: 8px;
  padding: 10px 18px; font-size: 14px; cursor: pointer; transition: .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn.ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn.ghost:hover { background: #fdf0f2; }
.btn.plain { background: #eee7e0; color: var(--text); }
.btn.plain:hover { background: #e3dbd2; }
.btn.small { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: 0 1px 4px rgba(0,0,0,.04); }
input[type=text], input[type=password], input[type=number], select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; background: #fff; color: var(--text); outline: none; transition: .15s;
}
input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(200,16,46,.1); }
label.field { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
label.field input, label.field select { margin-top: 6px; }
.tabs { display: flex; gap: 8px; margin-bottom: 18px; background: #efe9e2; padding: 4px; border-radius: 10px; }
.tabs button {
  flex: 1; border: none; background: transparent; padding: 9px; font-size: 14px;
  border-radius: 8px; cursor: pointer; color: var(--muted); font-weight: 600;
}
.tabs button.active { background: #fff; color: var(--primary); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 13px; background: #faf7f4; }
tr:hover td { background: #fdfbf9; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.ok { background: #e6f4ec; color: var(--ok); }
.badge.bad { background: #fbe9e7; color: var(--bad); }
.badge.warn { background: #fbf3e4; color: var(--warn); }
.badge.gray { background: #efe9e2; color: var(--muted); }
.msg { padding: 10px 12px; border-radius: 8px; font-size: 13px; margin: 12px 0; display: none; }
.msg.error { display: block; background: #fbe9e7; color: var(--bad); }
.msg.success { display: block; background: #e6f4ec; color: var(--ok); }
.muted { color: var(--muted); font-size: 13px; }
.section-title { font-size: 15px; font-weight: 700; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.stat .num { font-size: 26px; font-weight: 800; color: var(--primary); }
.stat .lbl { font-size: 12px; color: var(--muted); margin-top: 2px; }
@media (max-width: 640px) { .container { padding: 14px 10px 50px; } th, td { padding: 8px; } }