:root {
  --bg: #05060a;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.09);
  --gold: #d9b873;
  --gold-soft: #f0d9a8;
  --gold-deep: #b8954f;
  --text: #ece9e3;
  --text-dim: #9a978f;
  --text-faint: #6a6760;
  --sans: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.6; min-height: 100vh; }
a { color: var(--gold-soft); text-decoration: none; }
.wrap { width: min(960px, 92vw); margin: 0 auto; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; border-bottom: 1px solid var(--panel-border); }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 20px; letter-spacing: 2px; }
.brand .seal { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: linear-gradient(135deg, var(--gold-soft), var(--gold-deep)); color: #1a1407; font-weight: 700; }
.topbar .right { display: flex; gap: 16px; align-items: center; color: var(--text-dim); font-size: 14px; }

.main { padding: 46px 0; }
h1.title { font-family: var(--serif); font-size: 30px; letter-spacing: 2px; margin-bottom: 6px; }
.sub { color: var(--text-dim); margin-bottom: 34px; }

.card-box { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 18px; padding: 30px; margin-bottom: 28px; }
.card-box h2 { font-family: var(--serif); font-size: 20px; letter-spacing: 1px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.card-box h2 .tag { font-family: var(--sans); font-size: 12px; color: var(--gold-soft); border: 1px solid var(--panel-border); padding: 3px 10px; border-radius: 999px; }

label { display: block; font-size: 13px; color: var(--text-dim); letter-spacing: 1px; margin: 14px 0 7px; }
input[type="text"], input[type="password"] {
  width: 100%; padding: 13px 16px; border-radius: 11px; font-size: 15px;
  background: rgba(0,0,0,.3); border: 1px solid var(--panel-border); color: var(--text); outline: none; transition: border-color .3s;
}
input:focus { border-color: var(--gold-deep); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px;
  font-size: 14.5px; letter-spacing: 1px; cursor: pointer; border: none;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold-deep)); color: #1a1407; font-weight: 600; transition: transform .3s, box-shadow .3s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(217,184,115,.3); }
.btn.ghost { background: transparent; border: 1px solid var(--panel-border); color: var(--text); font-weight: 400; }
.btn.ghost:hover { border-color: var(--gold-deep); color: var(--gold-soft); box-shadow: none; }
.btn.danger { background: transparent; border: 1px solid #7a3a3a; color: #e08a8a; font-weight: 400; padding: 8px 16px; font-size: 13px; }
.btn.danger:hover { background: rgba(122,58,58,.15); box-shadow: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.drop {
  border: 1.5px dashed var(--panel-border); border-radius: 14px; padding: 34px; text-align: center;
  color: var(--text-dim); cursor: pointer; transition: border-color .3s, background .3s; margin-top: 6px;
}
.drop:hover, .drop.drag { border-color: var(--gold-deep); background: rgba(217,184,115,.05); }
.drop strong { color: var(--gold-soft); }
.drop .hint { font-size: 13px; color: var(--text-faint); margin-top: 6px; }
#fileInput { display: none; }
.filechip { margin-top: 14px; font-size: 14px; color: var(--text); display: none; align-items: center; gap: 10px; }
.filechip .x { color: var(--text-faint); cursor: pointer; }

.progress { height: 8px; border-radius: 999px; background: rgba(255,255,255,.06); margin-top: 18px; overflow: hidden; display: none; }
.progress > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--gold-soft), var(--gold-deep)); transition: width .2s; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--panel-border); font-size: 14px; }
th { color: var(--text-faint); font-weight: 500; letter-spacing: 1px; font-size: 12px; text-transform: uppercase; }
td .v { color: var(--gold-soft); font-weight: 600; }
.empty { color: var(--text-faint); text-align: center; padding: 30px; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: min(400px, 100%); background: var(--panel); border: 1px solid var(--panel-border); border-radius: 20px; padding: 40px 34px; }
.login-card .brand { justify-content: center; margin-bottom: 26px; }
.center { text-align: center; }
.mt { margin-top: 22px; }
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(20px); background: rgba(20,22,30,.95); border: 1px solid var(--panel-border); color: var(--text); padding: 14px 26px; border-radius: 12px; z-index: 999; opacity: 0; transition: all .4s; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: #a44; }
.hidden { display: none !important; }
@media (max-width: 640px) { .row2 { grid-template-columns: 1fr; } }