/* ============================================================
   网络验证系统 · 设计系统
   深色为主，紫色品牌，卡片化 + 圆角 + 柔和层次
   ============================================================ */
:root{
  --bg-base:#0F1115; --bg-card:#171A21; --bg-elev:#1D2129; --bg-hover:#212631;
  --border:#262B36; --border-lt:#333A47;
  --text-1:#E6E9EF; --text-2:#9BA3B2; --text-3:#6B7280;
  --brand:#6D5EF8; --brand-d:#5B4BE0; --brand-l:#8B7CFF;
  --success:#22C55E; --warning:#F59E0B; --danger:#EF4444; --info:#3B82F6; --frozen:#8B5CF6;
  --r-sm:8px; --r:12px; --r-lg:16px; --r-xl:22px;
  --sh:0 4px 20px rgba(0,0,0,.28);
  --sidebar:236px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg-base); color:var(--text-1); font-size:14px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--border-lt);border-radius:4px}
::-webkit-scrollbar-track{background:transparent}
input,select,textarea,button{font-family:inherit;font-size:inherit;outline:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 16px;
  border-radius:var(--r-sm);border:1px solid transparent;background:var(--bg-elev);color:var(--text-1);
  cursor:pointer;transition:.16s;white-space:nowrap;font-weight:500}
.btn:hover{background:var(--bg-hover)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-danger{background:rgba(239,68,68,.14);color:#F87171;border-color:rgba(239,68,68,.3)}
.btn-danger:hover{background:rgba(239,68,68,.22)}
.btn-success{background:rgba(34,197,94,.14);color:#4ADE80;border-color:rgba(34,197,94,.3)}
.btn-success:hover{background:rgba(34,197,94,.22)}
.btn-frozen{background:rgba(139,92,246,.16);color:#A78BFA;border-color:rgba(139,92,246,.34)}
.btn-frozen:hover{background:rgba(139,92,246,.26)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text-2)}
.btn-ghost:hover{color:var(--text-1);border-color:var(--border-lt)}
.btn-sm{height:30px;padding:0 12px;font-size:13px}
.btn-xs{height:26px;padding:0 10px;font-size:12px;border-radius:6px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field>label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:500}
.input,.select,textarea.input{width:100%;height:40px;padding:0 12px;background:var(--bg-elev);
  border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text-1);transition:.16s}
textarea.input{height:auto;padding:10px 12px;resize:vertical;min-height:80px}
.input:focus,.select:focus,textarea.input:focus{border-color:var(--brand);background:var(--bg-card)}
.input::placeholder{color:var(--text-3)}
.select{cursor:pointer;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%239BA3B2' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.select option{background:var(--bg-elev);color:var(--text-1)}

/* ---------- 卡片 ---------- */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:20px}
.card-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.card-hd h3{font-size:15px;font-weight:600;letter-spacing:.2px}
.card-hd .sub{font-size:12px;color:var(--text-3);font-weight:400;margin-top:2px}

/* ---------- 统计卡 ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:16px 18px;position:relative;overflow:hidden}
.stat .lbl{font-size:12.5px;color:var(--text-2);display:flex;align-items:center;gap:6px}
.stat .val{font-size:26px;font-weight:600;margin-top:8px;letter-spacing:-.5px}
.stat .sub{font-size:12px;color:var(--text-3);margin-top:4px}
.stat .ico{position:absolute;right:14px;top:14px;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:14px}
.stat.brand .ico{background:rgba(109,94,248,.16);color:var(--brand-l)}
.stat.green .ico{background:rgba(34,197,94,.16);color:#4ADE80}
.stat.amber .ico{background:rgba(245,158,11,.16);color:#FBBF24}
.stat.purple .ico{background:rgba(139,92,246,.16);color:#A78BFA}
.stat.red .ico{background:rgba(239,68,68,.16);color:#F87171}
.stat.blue .ico{background:rgba(59,130,246,.16);color:#60A5FA}

/* ---------- 徽章/状态 ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 9px;border-radius:999px;
  font-size:12px;font-weight:500;line-height:1}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.green{background:rgba(34,197,94,.14);color:#4ADE80}
.badge.amber{background:rgba(245,158,11,.14);color:#FBBF24}
.badge.red{background:rgba(239,68,68,.14);color:#F87171}
.badge.gray{background:rgba(155,163,178,.14);color:var(--text-2)}
.badge.frozen{background:rgba(139,92,246,.16);color:#A78BFA}
.badge.brand{background:rgba(109,94,248,.16);color:var(--brand-l)}
.badge.blue{background:rgba(59,130,246,.14);color:#60A5FA}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--r);background:var(--bg-card)}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px;white-space:nowrap}
.tbl th{text-align:left;padding:12px 16px;color:var(--text-2);font-weight:500;font-size:12.5px;
  background:var(--bg-elev);border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.4px}
.tbl td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-1)}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr{transition:.12s}
.tbl tbody tr:hover{background:var(--bg-hover)}
.tbl .mono{font-family:"JetBrains Mono","SF Mono",Consolas,monospace;font-size:12.5px}
.muted{color:var(--text-3)}

/* ---------- 进度条 ---------- */
.bar{height:6px;border-radius:4px;background:var(--bg-hover);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:4px;background:var(--brand);transition:width .5s}
.bar.green>i{background:var(--success)} .bar.amber>i{background:var(--warning)}
.bar.red>i{background:var(--danger)} .bar.frozen>i{background:var(--frozen)}

/* ---------- 布局 ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);background:var(--bg-card);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:20}
.brand-box{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--border)}
.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#6D5EF8,#8B7CFF);
  display:grid;place-items:center;font-weight:700;color:#fff;font-size:16px;flex:none}
.brand-box .t1{font-size:14.5px;font-weight:600;line-height:1.2}
.brand-box .t2{font-size:11px;color:var(--text-3)}
.nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav-group{font-size:11px;color:var(--text-3);padding:14px 12px 6px;letter-spacing:.6px;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r-sm);color:var(--text-2);
  cursor:pointer;transition:.14s;font-size:13.5px;margin-bottom:2px}
.nav-item:hover{background:var(--bg-hover);color:var(--text-1)}
.nav-item.on{background:rgba(109,94,248,.14);color:var(--brand-l);font-weight:500}
.nav-item .ni{width:17px;text-align:center;font-size:14px;flex:none}
.side-foot{padding:14px;border-top:1px solid var(--border)}
.main{flex:1;margin-left:var(--sidebar);display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;border-bottom:1px solid var(--border);background:rgba(23,26,33,.85);
  backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;position:sticky;top:0;z-index:15}
.topbar h2{font-size:16px;font-weight:600}
.topbar .crumb{font-size:12px;color:var(--text-3);margin-top:1px}
.content{padding:22px 24px 40px;flex:1;max-width:1500px;width:100%;margin:0 auto}
.userchip{display:flex;align-items:center;gap:9px;padding:6px 12px 6px 8px;background:var(--bg-elev);
  border:1px solid var(--border);border-radius:999px;cursor:pointer}
.userchip:hover{border-color:var(--border-lt)}
.avatar{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#6D5EF8,#8B7CFF);
  display:grid;place-items:center;font-size:12px;font-weight:600;color:#fff}

/* ---------- 登录页 ---------- */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1100px 520px at 50% -10%,rgba(109,94,248,.16),transparent 62%),var(--bg-base)}
.auth-card{width:100%;max-width:420px;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:34px 32px;box-shadow:var(--sh)}
.auth-card .hd{text-align:center;margin-bottom:24px}
.auth-card .hd .logo{width:52px;height:52px;margin:0 auto 14px;font-size:22px;border-radius:14px}
.auth-card .hd h1{font-size:20px;font-weight:600}
.auth-card .hd p{color:var(--text-2);font-size:13px;margin-top:5px}
.role-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:var(--bg-elev);
  padding:5px;border-radius:10px;margin-bottom:22px}
.role-tabs button{height:34px;border:none;background:transparent;color:var(--text-2);border-radius:7px;
  cursor:pointer;font-size:13px;font-weight:500;transition:.16s}
.role-tabs button.on{background:var(--brand);color:#fff}
.hint{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-sm);
  padding:11px 13px;font-size:12px;color:var(--text-2);margin-top:18px;line-height:1.7}
.hint b{color:var(--brand-l);font-weight:500}

/* ---------- 模态 ---------- */
.mask{position:fixed;inset:0;background:rgba(6,8,12,.72);backdrop-filter:blur(3px);
  display:grid;place-items:center;z-index:100;padding:20px}
.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-lg);
  width:100%;max-width:520px;max-height:88vh;overflow:auto;box-shadow:var(--sh)}
.modal-hd{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-hd h3{font-size:15px;font-weight:600}
.modal-bd{padding:22px}
.modal-ft{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}
.x{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;cursor:pointer;color:var(--text-2)}
.x:hover{background:var(--bg-hover);color:var(--text-1)}

/* ---------- 提示条 ---------- */
.toast-wrap{position:fixed;top:18px;right:18px;z-index:200;display:flex;flex-direction:column;gap:9px}
.toast{min-width:250px;background:var(--bg-elev);border:1px solid var(--border-lt);border-left:3px solid var(--brand);
  border-radius:var(--r-sm);padding:12px 15px;box-shadow:var(--sh);font-size:13.5px;animation:slidein .22s}
.toast.ok{border-left-color:var(--success)} .toast.err{border-left-color:var(--danger)}
.toast.warn{border-left-color:var(--warning)}
@keyframes slidein{from{transform:translateX(24px);opacity:0}to{transform:none;opacity:1}}

/* ---------- 空态 ---------- */
.empty{text-align:center;padding:52px 20px;color:var(--text-3)}
.empty .big{font-size:34px;opacity:.35;margin-bottom:10px}
.empty p{font-size:13px}

/* ---------- 工具类 ---------- */
.row{display:flex;align-items:center;gap:10px}
.row.wrap{flex-wrap:wrap}
.between{display:flex;align-items:center;justify-content:space-between}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.mt{margin-top:16px} .mt-s{margin-top:8px} .mt-l{margin-top:24px}
.mb{margin-bottom:16px}
.f1{flex:1} .f13{font-size:13px} .f12{font-size:12px}
.gray{color:var(--text-2)} .t3{color:var(--text-3)}
.big-num{font-size:19px;font-weight:600}
.mono{font-family:"JetBrains Mono","SF Mono",Consolas,monospace}
.center{text-align:center}
.pager{display:flex;justify-content:flex-end;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--text-2)}

/* ---------- 环形进度 ---------- */
.ring{position:relative;width:132px;height:132px;flex:none}
.ring svg{transform:rotate(-90deg)}
.ring .mid{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.ring .mid .n{font-size:22px;font-weight:600;line-height:1.1}
.ring .mid .u{font-size:11.5px;color:var(--text-3)}

/* ---------- 冻结态卡片 ---------- */
.frozen-card{border-color:rgba(139,92,246,.4);background:linear-gradient(180deg,rgba(139,92,246,.08),transparent)}
.snow{color:#A78BFA}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:.24s}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .content{padding:16px}
  .burger{display:grid!important}
}
.burger{display:none;width:34px;height:34px;border-radius:8px;place-items:center;cursor:pointer;color:var(--text-2)}
.burger:hover{background:var(--bg-hover)}