/* 邮箱管理台样式 */
:root{
  --bg:#f4f6f9; --card:#fff; --line:#e3e8ef; --text:#1e293b; --muted:#64748b;
  --pri:#2563eb; --pri-d:#1d4ed8; --ok:#16a34a; --warn:#d97706; --err:#dc2626;
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--text); font-size:14px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--pri);text-decoration:none}
.hidden{display:none !important}
code{background:#eef2f7;padding:2px 6px;border-radius:4px;font-size:12.5px;font-family:ui-monospace,Menlo,Consolas,monospace}
.muted{color:var(--muted);font-size:13px}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#eef3fb,#f7f9fc)}
.login-card{width:340px;background:var(--card);padding:32px 28px;border-radius:14px;
  box-shadow:0 8px 32px rgba(30,41,59,.08);border:1px solid var(--line)}
.login-card .brand{font-size:20px;font-weight:700;letter-spacing:.5px}
.login-card .sub{color:var(--muted);font-size:12.5px;margin-bottom:22px}
.login-card label{display:block;margin-bottom:14px;font-size:13px;color:var(--muted)}
.login-card input{display:block;width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;background:#fbfcfe}
.login-card input:focus{outline:none;border-color:var(--pri);background:#fff}
.login-card button{width:100%;padding:11px;margin-top:6px;border:none;border-radius:8px;background:var(--pri);
  color:#fff;font-size:14.5px;font-weight:600;cursor:pointer}
.login-card button:hover{background:var(--pri-d)}
.err{color:var(--err);font-size:13px;margin-top:10px;min-height:18px}

/* 布局 */
#app{display:flex;min-height:100vh}
.side{width:200px;background:#0f172a;color:#cbd5e1;display:flex;flex-direction:column;flex-shrink:0}
.side-brand{padding:20px 18px;font-weight:700;font-size:15px;color:#fff;border-bottom:1px solid #1e293b}
.side nav{flex:1;padding:12px 0}
.side nav a{display:block;padding:10px 18px;color:#cbd5e1;font-size:14px;border-left:3px solid transparent}
.side nav a:hover{background:#1e293b;color:#fff}
.side nav a.active{background:#1e293b;color:#fff;border-left-color:var(--pri)}
.side-foot{padding:14px 18px;border-top:1px solid #1e293b;font-size:12.5px;display:flex;
  justify-content:space-between;align-items:center;color:#94a3b8}
.side-foot a{color:#93c5fd}

.main{flex:1;padding:24px 28px;max-width:1400px;min-width:0}
h2{font-size:19px;margin:0 0 18px;font-weight:650}
h3{font-size:15px;margin:26px 0 12px;font-weight:600;color:#334155}
.tab{display:none}
.tab.active{display:block}

/* 卡片 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.card .k{color:var(--muted);font-size:12.5px}
.card .v{font-size:26px;font-weight:700;margin-top:6px;letter-spacing:-.5px}

/* 工具栏 */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar input[type=text]{padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;
  min-width:220px;background:#fff}
.toolbar select{padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;background:#fff}
button{padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);
  font-size:13.5px;cursor:pointer;font-family:inherit}
button:hover{background:#f1f5f9}
button.primary{background:var(--pri);border-color:var(--pri);color:#fff;font-weight:600}
button.primary:hover{background:var(--pri-d)}
button.sm{padding:4px 10px;font-size:12.5px}
.chk{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}

/* 表格 */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f8fafc;font-weight:600;color:#475569;font-size:12.5px;position:sticky;top:0}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f8fafc}
td.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.badge{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge.ok{background:#dcfce7;color:#15803d}
.badge.no{background:#fee2e2;color:#b91c1c}
.badge.warn{background:#fef3c7;color:#b45309}
.badge.info{background:#dbeafe;color:#1d4ed8}

/* 分页 */
.pager{display:flex;gap:8px;align-items:center;margin-top:14px;font-size:13px;color:var(--muted)}

/* 收码 */
.code-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.code-result{margin-top:16px;min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:#f8fafc;border-radius:10px;border:1px dashed var(--line);padding:20px}
.code-empty{color:var(--muted);font-size:13.5px}
.code-big{font-size:40px;font-weight:800;letter-spacing:8px;font-family:ui-monospace,Menlo,Consolas,monospace;
  color:var(--pri);line-height:1.1}
.code-meta{color:var(--muted);font-size:12.5px;margin-top:8px;text-align:center;max-width:100%;word-break:break-all}
.code-actions{margin-top:14px;display:flex;gap:10px}
.spin{width:18px;height:18px;border:2.5px solid #cbd5e1;border-top-color:var(--pri);border-radius:50%;
  animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* 面板 */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.panel .row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.panel .row:last-of-type{border-bottom:none}
.iplist{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.ipchip{background:#eef2f7;border-radius:20px;padding:4px 10px;font-size:12.5px;display:flex;align-items:center;gap:8px}
.ipchip a{color:var(--err);font-weight:700;cursor:pointer}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;z-index:50}
.modal-card{background:#fff;border-radius:14px;padding:24px 26px;width:380px;box-shadow:0 16px 48px rgba(15,23,42,.2)}
.modal-card h3{margin:0 0 18px}
.modal-card label{display:block;margin-bottom:14px;font-size:13px;color:var(--muted)}
.modal-card input,.modal-card select{display:block;width:100%;margin-top:6px;padding:9px 12px;
  border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fbfcfe;font-family:inherit}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}

/* 403 */
.deny{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center}
.deny h1{font-size:64px;margin:0;color:#cbd5e1}

@media (max-width:820px){
  .side{width:64px}
  .side-brand,.side-foot span{display:none}
  .side nav a{padding:12px 0;text-align:center;font-size:12px}
  .main{padding:16px}
}

/* 403 页的救援命令块 */
.deny-cmd{background:#0f172a;color:#e2e8f0;padding:14px 18px;border-radius:10px;font-size:12.5px;
  line-height:1.7;text-align:left;max-width:640px;overflow-x:auto;margin:14px 0 0;
  font-family:ui-monospace,Menlo,Consolas,monospace}