:root{
  --bg:#f6f7f9;
  --card:#ffffff;
  --border:#e6e8ec;
  --border-strong:#d6dae1;
  --text:#1b1f24;
  --muted:#6b7280;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-soft:#eff4ff;
  --green:#047857;
  --green-bg:#ecfdf5;
  --orange:#c2410c;
  --orange-bg:#fff7ed;
  --red:#b91c1c;
  --red-bg:#fef2f2;
  --shadow:0 1px 2px rgba(16,24,40,.05), 0 4px 14px rgba(16,24,40,.06);
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
  font-size:14px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
button,input,select{font-family:inherit;font-size:14px;}
button{cursor:pointer;}
[hidden]{display:none !important;}

/* ---------- 登录 ---------- */
#loginView{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:24px;background:
    radial-gradient(900px 420px at 15% 0%, #e8effd 0%, transparent 60%),
    radial-gradient(700px 380px at 100% 100%, #eef2f8 0%, transparent 55%),
    var(--bg);
}
.login-card{
  width:100%;max-width:390px;background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:34px 32px 30px;box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:26px;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto;
}
.brand-title{font-size:16px;font-weight:650;letter-spacing:.2px;}
.brand-sub{font-size:12px;color:var(--muted);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:#374151;margin-bottom:6px;font-weight:500;}
.input{
  width:100%;height:40px;padding:0 12px;border:1px solid var(--border-strong);
  border-radius:9px;background:#fff;color:var(--text);outline:none;
  transition:border-color .15s, box-shadow .15s;
}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.input::placeholder{color:#a2a9b4;}
.btn{
  height:40px;padding:0 16px;border-radius:9px;border:1px solid transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-weight:550;transition:background .15s,border-color .15s,color .15s,opacity .15s;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-ghost{background:#fff;border-color:var(--border-strong);color:#374151;}
.btn-ghost:hover{background:#f8fafc;border-color:#c3c9d4;}
.btn-block{width:100%;}
.btn:disabled{opacity:.6;cursor:not-allowed;}
.form-error{
  display:none;margin-top:10px;font-size:13px;color:var(--red);
  background:var(--red-bg);border:1px solid #f6d5d5;border-radius:8px;padding:8px 10px;
}

/* ---------- 主框架 ---------- */
#appView{min-height:100vh;}
.topbar{
  background:#fff;border-bottom:1px solid var(--border);
  padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:20;
}
.topbar .brand{margin:0;}
.topbar .brand-mark{width:32px;height:32px;border-radius:8px;}
.user-area{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.link-btn{background:none;border:none;color:var(--muted);padding:4px 2px;font-size:13px;}
a.link-btn{text-decoration:none;color:var(--primary);font-weight:550;}
.link-btn:hover{color:var(--primary);}
.wrap{max-width:1240px;margin:0 auto;padding:22px 24px 60px;}

/* ---------- 统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px;}
.stat{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:16px 18px;box-shadow:var(--shadow);
}
.stat-label{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;}
.stat-num{font-size:26px;font-weight:680;letter-spacing:-.4px;margin-top:6px;font-variant-numeric:tabular-nums;}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;}

/* ---------- 费用统计 ---------- */
.fin-panel{margin-bottom:20px;}
.fin-body{padding:16px 18px 18px;}
.fin-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.fin-card{
  background:#fafbfc;border:1px solid var(--border);border-radius:10px;padding:13px 15px;
}
.fin-label{font-size:12.5px;color:var(--muted);}
.fin-num{
  font-size:21px;font-weight:690;letter-spacing:-.3px;margin-top:5px;
  font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.fin-sub{font-size:11.5px;color:#9aa1ac;margin-top:3px;}
.chart-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--muted);margin:20px 0 0;flex-wrap:wrap;
}
.chart-head b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums;}
.chart{display:flex;align-items:flex-end;gap:6px;height:152px;padding-top:18px;}
.bar-col{flex:1 1 0;display:flex;flex-direction:column;height:100%;min-width:0;}
.bar-val{
  height:15px;line-height:15px;font-size:10.5px;color:var(--muted);
  text-align:center;white-space:nowrap;overflow:hidden;font-variant-numeric:tabular-nums;
}
.bar-track{
  flex:1 1 auto;display:flex;align-items:flex-end;background:#f4f6f9;
  border-radius:5px 5px 3px 3px;overflow:hidden;
}
.bar-fill{width:100%;background:#c7dcfd;border-radius:5px 5px 0 0;transition:height .35s ease;}
.bar-col.cur .bar-fill{background:var(--primary);}
.bar-col:hover .bar-fill{background:var(--primary-dark);}
.bar-label{font-size:11px;color:var(--muted);text-align:center;margin-top:6px;}
.bar-col.cur .bar-label{color:var(--primary);font-weight:620;}

/* ---------- 表格卡片 ---------- */
.panel{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  box-shadow:var(--shadow);overflow:hidden;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap;
}
.panel-title{font-size:15px;font-weight:620;}
.tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.search{
  height:36px;width:230px;padding:0 12px;border:1px solid var(--border-strong);
  border-radius:8px;outline:none;background:#fff;
}
.search:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1);}
select.filter{
  height:36px;padding:0 10px;border:1px solid var(--border-strong);border-radius:8px;background:#fff;color:#374151;
}
.table-scroll{overflow-x:auto;}
table{width:100%;border-collapse:collapse;min-width:960px;}
thead th{
  text-align:left;font-size:12.5px;font-weight:600;color:var(--muted);
  padding:11px 14px;background:#fafbfc;border-bottom:1px solid var(--border);white-space:nowrap;
}
tbody td{padding:13px 14px;border-bottom:1px solid #f0f2f5;vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#fafcff;}
.name-cell{font-weight:560;}
.code-cell{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;
  background:#f4f6f9;border:1px solid #e7eaf0;border-radius:6px;padding:2px 7px;color:#374151;
}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;}
.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:560;
  padding:2px 9px;border-radius:999px;white-space:nowrap;
}
.badge.normal{color:var(--green);background:var(--green-bg);}
.badge.soon{color:var(--orange);background:var(--orange-bg);}
.badge.expired{color:var(--red);background:var(--red-bg);}
.pw{display:inline-flex;align-items:center;gap:6px;}
.pw-text{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;color:#374151;}
.icon-btn{border:none;background:none;padding:3px;border-radius:5px;color:#9aa1ac;display:inline-flex;}
.icon-btn:hover{background:#eef2f7;color:var(--primary);}
.row-actions{display:flex;gap:6px;align-items:center;white-space:nowrap;}
.act{
  border:1px solid var(--border-strong);background:#fff;border-radius:7px;
  height:29px;padding:0 10px;font-size:12.5px;color:#374151;
}
.act:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.act.renew{background:var(--primary);border-color:var(--primary);color:#fff;}
.act.renew:hover{background:var(--primary-dark);color:#fff;}
.act.danger{color:var(--red);border-color:#f0c6c6;}
.act.danger:hover{background:var(--red-bg);border-color:#e6a6a6;color:var(--red);}
.empty{padding:56px 20px;text-align:center;color:var(--muted);font-size:13.5px;}

/* ---------- 弹窗 ---------- */
.mask{
  position:fixed;inset:0;background:rgba(17,24,39,.42);display:flex;align-items:center;
  justify-content:center;padding:20px;z-index:50;backdrop-filter:blur(2px);
}
.modal{
  width:100%;max-width:520px;background:#fff;border-radius:14px;box-shadow:0 20px 50px rgba(16,24,40,.22);
  max-height:92vh;overflow:auto;
}
.modal.sm{max-width:430px;}
.modal-head{padding:18px 22px 0;font-size:16px;font-weight:640;}
.modal-body{padding:18px 22px 6px;}
.modal-foot{
  padding:14px 22px 20px;display:flex;justify-content:flex-end;gap:10px;
  border-top:1px solid #f0f2f5;margin-top:8px;
}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:13px;}
.hint{font-size:12px;color:var(--muted);margin-top:4px;}
.kv{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed #eef0f4;font-size:13.5px;}
.kv:last-of-type{border-bottom:none;}
.kv .k{color:var(--muted);}
.kv .v{font-weight:560;}
.new-date{color:var(--green);font-weight:650;}

/* ---------- Toast ---------- */
#toast{
  position:fixed;left:50%;top:22px;transform:translate(-50%,-14px);
  background:#111827;color:#fff;padding:10px 18px;border-radius:9px;font-size:13.5px;
  box-shadow:0 10px 30px rgba(0,0,0,.18);opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;z-index:99;max-width:80vw;
}
#toast.show{opacity:1;transform:translate(-50%,0);}
#toast.err{background:#b91c1c;}

@media (max-width:900px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .fin-cards{grid-template-columns:repeat(2,1fr);}
  .wrap{padding:16px 14px 50px;}
  .topbar{padding:0 14px;}
  .grid2{grid-template-columns:1fr;}
}

/* ================= 手机端（App / 移动浏览器） ================= */
@media (max-width:640px){
  body{font-size:14px;}

  /* 顶栏 */
  .topbar{height:auto;min-height:56px;padding:10px 14px;gap:10px;}
  .topbar .brand-sub{display:none;}
  .topbar .brand-title{font-size:14.5px !important;}
  .brand-mark{width:30px;height:30px;border-radius:8px;}
  .user-area{gap:10px;font-size:12.5px;}
  .user-area span{display:none;}

  .wrap{padding:14px 12px 72px;}

  /* 统计卡 */
  .stats{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
  .stat{padding:12px 14px;border-radius:11px;}
  .stat-label{font-size:12px;}
  .stat-num{font-size:21px;margin-top:4px;}

  /* 工具栏 */
  .panel-head{padding:12px 13px;gap:10px;}
  .panel-title{font-size:14.5px;}
  .tools{width:100%;gap:8px;}
  .search{flex:1 1 auto;width:auto;min-width:0;height:38px;}
  select.filter{flex:0 0 auto;max-width:42%;height:38px;}

  /* 费用统计 */
  .fin-body{padding:12px 13px 15px;}
  .fin-cards{gap:9px;}
  .fin-card{padding:10px 12px;border-radius:9px;}
  .fin-label{font-size:11.5px;}
  .fin-num{font-size:17px;margin-top:3px;}
  .fin-sub{font-size:10.5px;margin-top:2px;}
  .chart-head{margin-top:15px;font-size:11.5px;gap:4px;}
  .chart{height:124px;gap:3px;padding-top:14px;}
  .bar-val{font-size:9px;height:13px;line-height:13px;}
  .bar-label{font-size:9.5px;margin-top:5px;}
  .fin-panel .panel-head{align-items:center;}
  .fin-panel .tools{width:auto;}
  .fin-panel select.filter{max-width:100px;}

  /* 表格 -> 卡片 */
  .table-scroll{overflow:visible;}
  table, tbody{display:block;min-width:0;width:100%;}
  thead{display:none;}
  tbody tr{
    display:block;background:#fff;border:1px solid var(--border);
    border-radius:12px;margin-bottom:10px;padding:2px 0 4px;
    box-shadow:var(--shadow);
  }
  tbody tr:hover{background:#fff;}
  tbody td{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    border:none;padding:6px 13px;text-align:right;line-height:1.5;
  }
  tbody td::before{
    content:attr(data-label);color:var(--muted);font-size:12.5px;
    flex:0 0 auto;text-align:left;font-weight:400;
  }
  tbody td:first-child{
    justify-content:flex-start;padding:11px 13px 9px;
    border-bottom:1px solid #f0f2f5;margin-bottom:4px;text-align:left;
  }
  tbody td:first-child::before{display:none;}
  .name-cell{font-size:15px;font-weight:620;}
  tbody td.act-cell{display:block;padding:10px 13px 8px;}
  tbody td.act-cell::before{display:none;}
  .row-actions{width:100%;gap:8px;}
  .row-actions .act{flex:1 1 0;height:37px;font-size:13px;}
  .code-cell{font-size:12px;}
  .empty{padding:44px 16px;}

  /* 弹窗 */
  .mask{padding:12px;}
  .modal{max-height:88vh;border-radius:15px;}
  .modal.sm{max-width:100%;}
  .modal-head{padding:16px 17px 0;font-size:15.5px;}
  .modal-body{padding:15px 17px 4px;}
  .modal-foot{
    padding:12px 17px 15px;gap:8px;position:sticky;bottom:0;
    background:#fff;z-index:2;box-shadow:0 -6px 16px rgba(16,24,40,.05);
  }
  .modal-foot .btn{flex:1 1 0;height:42px;padding:0 10px;}
  .grid2{grid-template-columns:1fr;gap:11px;}
  .input{height:44px;}
  .btn{height:42px;}

  /* 登录 */
  #loginView{padding:18px;}
  .login-card{padding:26px 22px 24px;border-radius:15px;}
  .login-card .input{height:44px;}

  #toast{max-width:88vw;font-size:13px;padding:9px 15px;}
}