:root {
  --bg: #0f1420;
  --bg2: #161d2e;
  --card: #1b2438;
  --card2: #212c44;
  --border: #2c3a57;
  --text: #e2e8f0;
  --muted: #8b9bb4;
  --primary: #3b82f6;
  --primary-h: #2563eb;
  --ok: #22c55e;
  --warn: #eab308;
  --err: #ef4444;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
.hidden { display: none !important; }

/* ---- 登录 ---- */
.auth-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.auth-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 36px; width: 100%; max-width: 400px; box-shadow: 0 12px 40px rgba(0,0,0,.4);
}
.brand { text-align: center; margin-bottom: 22px; font-size: 1.5rem; }
.tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.tab {
  flex: 1; padding: 10px; background: var(--bg2); color: var(--muted);
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 15px;
}
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form input {
  padding: 12px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg2); color: var(--text); font-size: 15px;
}
.auth-form input:focus { outline: none; border-color: var(--primary); }

/* ---- 按钮/输入 ---- */
.btn {
  padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card2); color: var(--text); cursor: pointer; font-size: 14px; white-space: nowrap;
}
.btn:hover { filter: brightness(1.15); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-h); }
.btn.ghost { background: transparent; }
.btn.danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn.sm { padding: 5px 10px; font-size: 13px; }
input[type=text], select {
  padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg2); color: var(--text); font-size: 14px; max-width: 100%;
}
input[type=text]:focus, select:focus { outline: none; border-color: var(--primary); }

/* ---- 顶栏 ---- */
.topbar {
  display: flex; align-items: center; gap: 20px; padding: 12px 24px;
  background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10; flex-wrap: wrap;
}
.brand-sm { font-weight: 700; margin-right: 8px; }
.topbar nav { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.nav-btn {
  padding: 7px 14px; border-radius: 8px; border: none; background: transparent;
  color: var(--muted); cursor: pointer; font-size: 14px;
}
.nav-btn:hover { color: var(--text); background: var(--bg2); }
.nav-btn.active { background: var(--primary); color: #fff; }
.user-area { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }

/* ---- 布局 ---- */
.container { max-width: 1200px; margin: 24px auto; padding: 0 24px; display: flex; flex-direction: column; gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px;
}
.card h2 { font-size: 1.05rem; margin-bottom: 16px; }
.card-head-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-head-row h2 { margin-bottom: 0; }

/* ---- 申请表单 ---- */
.apply-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.grow { flex: 1; min-width: 180px; }
.field label { font-size: 13px; color: var(--muted); }
.prefix-input { display: flex; align-items: center; }
.prefix-input input { border-radius: 8px 0 0 8px; min-width: 120px; }
.prefix-input .suffix {
  padding: 9px 12px; background: var(--card2); border: 1px solid var(--border);
  border-left: none; border-radius: 0 8px 8px 0; color: var(--muted); font-size: 14px;
}
.hint { font-size: 13px; color: var(--muted); margin-top: 10px; line-height: 1.6; }
.chk { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); margin: 10px 0; }

/* ---- 表格 ---- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th {
  text-align: left; padding: 10px 12px; color: var(--muted); font-weight: 500;
  border-bottom: 1px solid var(--border); font-size: 13px; white-space: nowrap;
}
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--bg2); vertical-align: middle; word-break: break-all; }
.tbl tr:hover td { background: rgba(59,130,246,.05); }
.tbl .actions { display: flex; gap: 6px; flex-wrap: wrap; }
code, .code { font-family: Consolas, monospace; background: var(--bg2); padding: 2px 6px; border-radius: 4px; }
.code-block {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; font-family: Consolas, monospace; font-size: 13px;
  overflow-x: auto; white-space: pre; color: #9fd3ff; margin: 8px 0;
}

/* ---- 状态徽章 ---- */
.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.badge.pending { background: rgba(234,179,8,.15); color: var(--warn); }
.badge.active { background: rgba(34,197,94,.15); color: var(--ok); }
.badge.failed { background: rgba(239,68,68,.15); color: var(--err); }
.badge.rejected { background: rgba(139,155,180,.15); color: var(--muted); }
.badge.admin { background: rgba(59,130,246,.15); color: var(--primary); }
.badge.on { background: rgba(234,179,8,.15); color: var(--warn); }

/* ---- 统计 ---- */
.stats-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.stat {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 20px; min-width: 130px;
}
.stat .num { font-size: 1.6rem; font-weight: 700; }
.stat .label { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ---- 弹层 ---- */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 26px; width: 100%; max-width: 440px; display: flex; flex-direction: column; gap: 12px;
  max-height: 90vh; overflow-y: auto;
}
.modal-card.wide { max-width: 640px; }
.modal-card h3 { font-size: 1rem; }
.modal-card input[type=text], .modal-card input[type=password] { width: 100%; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }

/* ---- 消息/Toast ---- */
.msg { font-size: 14px; margin-top: 12px; min-height: 20px; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--err); }
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
  background: var(--card2); border: 1px solid var(--border); color: var(--text);
  padding: 12px 22px; border-radius: 10px; font-size: 14px; z-index: 200;
  box-shadow: 0 8px 24px rgba(0,0,0,.5); max-width: 90vw;
}
.toast.ok { border-color: var(--ok); }
.toast.err { border-color: var(--err); }

@media (max-width: 720px) {
  .apply-row .field { min-width: 100%; }
  .topbar { gap: 10px; }
}