:root {
  --bg: #070c18;
  --bg-soft: #0d1528;
  --card: rgba(20, 32, 56, 0.72);
  --card-border: rgba(94, 168, 255, 0.16);
  --text: #e8f0ff;
  --text-dim: #93a4c4;
  --text-faint: #64748b;
  --cyan: #36e0ff;
  --blue: #4a8dff;
  --green: #3ddc97;
  --red: #ff6b7a;
  --amber: #ffc85c;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(54, 224, 255, 0.13), transparent 60%),
    radial-gradient(820px 520px at 100% 0%, rgba(74, 141, 255, 0.14), transparent 60%),
    radial-gradient(700px 600px at 50% 110%, rgba(54, 224, 255, 0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 36px 20px 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #06101f;
  font-size: 20px;
  box-shadow: 0 6px 22px rgba(54, 224, 255, 0.35);
}

.brand-logo {
  width: 40px;
  height: 41px;
  object-fit: contain;
  filter: drop-shadow(0 4px 14px rgba(54, 224, 255, 0.35));
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-stack input {
  width: 100%;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 10, 22, 0.7);
  color: var(--text);
  font-size: 14.5px;
  outline: none;
}
.form-stack input:focus {
  border-color: rgba(54, 224, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(54, 224, 255, 0.12);
}
.form-stack .btn { width: 100%; }

.brand-name { font-size: 18px; font-weight: 700; letter-spacing: 0.5px; }
.brand-sub { font-size: 12.5px; color: var(--text-dim); }

.hero { text-align: center; margin-bottom: 30px; }

.hero .tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--cyan);
  border: 1px solid rgba(54, 224, 255, 0.35);
  background: rgba(54, 224, 255, 0.08);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(26px, 4.5vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #fff, #a9eaff 55%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p { color: var(--text-dim); font-size: 15px; }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.card h2 {
  font-size: 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card h2::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: linear-gradient(var(--cyan), var(--blue));
}

/* 名额进度 */
.quota-line {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--text-dim);
}
.quota-line strong { color: var(--text); font-size: 16px; }

.progress {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width 0.5s ease;
}

/* 规格网格 */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}
.spec-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.spec-item .v { font-size: 20px; font-weight: 800; color: var(--cyan); }
.spec-item .k { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }

/* 规则列表 */
.rules { list-style: none; display: grid; gap: 10px; }
.rules li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dim);
}
.rules li .dot {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: #06101f;
  background: var(--cyan);
  font-weight: 800;
}
.rules li b { color: var(--text); font-weight: 600; }

/* Tabs */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.05);
  padding: 5px;
  border-radius: 10px;
}
.tab-btn {
  flex: 1;
  padding: 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}
.tab-btn.active {
  background: linear-gradient(135deg, rgba(54, 224, 255, 0.2), rgba(74, 141, 255, 0.2));
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(54, 224, 255, 0.3);
}

/* 表单 */
.field label { display: block; font-size: 13.5px; color: var(--text-dim); margin-bottom: 8px; }
.input-wrap { display: flex; gap: 10px; }
.input-wrap input {
  flex: 1;
  min-width: 0;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 10, 22, 0.7);
  color: var(--text);
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input-wrap input:focus {
  border-color: rgba(54, 224, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(54, 224, 255, 0.12);
}
.hint { font-size: 12.5px; color: var(--text-faint); margin-top: 8px; }

.btn {
  padding: 13px 22px;
  border: 0;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s, filter 0.2s, opacity 0.2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #06101f;
  box-shadow: 0 8px 24px rgba(54, 224, 255, 0.28);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* 消息提示 */
.msg {
  margin-top: 14px;
  border-radius: 10px;
  padding: 14px;
  font-size: 14px;
  display: none;
}
.msg.show { display: block; }
.msg.error { background: rgba(255, 107, 122, 0.12); border: 1px solid rgba(255, 107, 122, 0.35); color: #ffb3bc; }
.msg.success { background: rgba(61, 220, 151, 0.1); border: 1px solid rgba(61, 220, 151, 0.35); color: #9ff0cf; }
.msg.info { background: rgba(74, 141, 255, 0.1); border: 1px solid rgba(74, 141, 255, 0.35); color: #bcd4ff; }

/* 成功结果 */
.result-box { display: none; margin-top: 14px; }
.result-box.show { display: block; }
.result-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.result-head img { width: 52px; height: 52px; border-radius: 50%; border: 2px solid rgba(54, 224, 255, 0.5); }
.result-head .name { font-size: 17px; font-weight: 700; }
.result-head .mid { font-size: 12.5px; color: var(--text-dim); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 13.5px; }
.kv .k { color: var(--text-dim); }
.kv .v { color: var(--text); word-break: break-all; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge.active { background: rgba(61, 220, 151, 0.15); color: var(--green); }
.badge.reclaimed { background: rgba(255, 107, 122, 0.15); color: var(--red); }
.badge.monitoring_done { background: rgba(74, 141, 255, 0.15); color: var(--blue); }

.footer { text-align: center; color: var(--text-faint); font-size: 12.5px; margin-top: 26px; }
.footer a { color: var(--text-dim); text-decoration: none; }

/* ===== 管理后台 ===== */
.admin-wrap { max-width: 1240px; }
.login-box { max-width: 400px; margin: 70px auto; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
}
.stat-card .num { font-size: 26px; font-weight: 800; }
.stat-card .lab { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }

.admin-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.admin-top h1 { font-size: 22px; }
.admin-actions { display: flex; gap: 10px; }
.btn-sm { padding: 8px 14px; font-size: 13px; border-radius: 8px; }
.btn-ghost {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.btn-danger { background: rgba(255, 107, 122, 0.18); color: var(--red); }
.btn-green { background: rgba(61, 220, 151, 0.16); color: var(--green); }

.table-card { padding: 0; overflow: hidden; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 980px; }
thead th {
  text-align: left;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-weight: 600;
  white-space: nowrap;
  font-size: 12.5px;
}
tbody td { padding: 12px 14px; border-top: 1px solid rgba(255, 255, 255, 0.06); vertical-align: middle; }
tbody tr:hover { background: rgba(255, 255, 255, 0.025); }
.user-cell { display: flex; align-items: center; gap: 10px; }
.user-cell img { width: 38px; height: 38px; border-radius: 50%; flex: none; }
.user-cell .un { font-weight: 600; }
.user-cell .um { font-size: 12px; color: var(--text-dim); }
a.link { color: var(--cyan); text-decoration: none; }
a.link:hover { text-decoration: underline; }
.row-actions { display: flex; gap: 6px; }
.row-actions button { padding: 6px 10px; font-size: 12px; }
.muted { color: var(--text-dim); font-size: 12.5px; }
.check-log { margin-top: 6px; font-size: 12px; color: var(--text-dim); }
.check-log .log-item { padding: 2px 0; }
.log-ok { color: var(--green); }
.log-reclaimed { color: var(--red); }
.log-failed { color: var(--amber); }

.empty { text-align: center; padding: 48px; color: var(--text-dim); }

@media (max-width: 600px) {
  .wrap { padding: 24px 14px 48px; }
  .card { padding: 18px; }
  .input-wrap { flex-direction: column; }
  .btn { width: 100%; }
}