/* 后台 —— 蓝黑科技风 */
:root{
  --bg:#05080f;--bg2:#080d18;--panel:#0a111d;--panel2:#0d1626;
  --line:rgba(56,132,255,.15);--line2:rgba(56,132,255,.35);
  --txt:#dbe7ff;--dim:#7f92b4;--mute:#4d5e80;
  --blue:#2f81f7;--cyan:#22d3ee;--ok:#22c55e;--warn:#f59e0b;--bad:#ef4444;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font-family:var(--font);line-height:1.6;min-height:100vh}
body::before{content:"";position:fixed;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,132,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(56,132,255,.04) 1px,transparent 1px);
  background-size:44px 44px}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;width:100%;height:40px;padding:0 12px;border-radius:9px;font-size:13.5px;
  background:#070c16;border:1px solid var(--line);color:var(--txt);outline:0;transition:.16s}
textarea{height:auto;min-height:84px;padding:10px 12px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{border-color:var(--line2);box-shadow:0 0 0 3px rgba(47,129,247,.12)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font-weight:600;color:var(--dim);font-size:12px;padding:11px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:12px;border-bottom:1px solid rgba(56,132,255,.08);vertical-align:middle}
tr:hover td{background:rgba(47,129,247,.04)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.03em}

/* 登录 */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;position:relative;z-index:2}
.login-card{width:min(400px,100%);padding:34px;border-radius:18px;background:linear-gradient(180deg,#0b1424,#070c16);
  border:1px solid var(--line2);box-shadow:0 30px 70px rgba(0,0,0,.6)}
.login-card h1{font-size:20px;letter-spacing:.04em;margin-bottom:6px}
.login-card p{font-size:12.5px;color:var(--mute);margin-bottom:24px}
.brand-mark{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:20px;
  background:linear-gradient(145deg,#173a78,#071021);border:1px solid var(--line2);color:#9ec5ff;margin-bottom:16px;
  box-shadow:0 0 22px rgba(47,129,247,.3) inset}

/* 布局 */
.layout{display:none;position:relative;z-index:2}
.layout.on{display:block}
.side{position:fixed;left:0;top:0;bottom:0;width:216px;background:linear-gradient(180deg,#080e19,#05080f);
  border-right:1px solid var(--line);padding:20px 14px;display:flex;flex-direction:column;z-index:10}
.side .logo{display:flex;gap:10px;align-items:center;padding:0 8px 18px;border-bottom:1px solid var(--line);margin-bottom:14px}
.side .logo b{font-size:14px;letter-spacing:.05em}
.side .logo small{display:block;font-size:10px;color:var(--mute);letter-spacing:.2em}
.menu{display:flex;flex-direction:column;gap:4px;flex:1}
.menu button{display:flex;align-items:center;gap:10px;height:40px;padding:0 12px;border-radius:9px;font-size:13.5px;
  color:var(--dim);transition:.16s;text-align:left}
.menu button:hover{background:rgba(47,129,247,.09);color:#cfe0ff}
.menu button.on{background:linear-gradient(90deg,rgba(47,129,247,.2),rgba(34,211,238,.05));color:#eaf3ff;
  box-shadow:inset 2px 0 0 var(--blue)}
.menu i{font-style:normal;width:16px;text-align:center;color:var(--cyan)}
.side-foot{border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:var(--mute)}
.main{margin-left:216px;padding:22px 26px 60px;min-height:100vh}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.top h2{font-size:19px;letter-spacing:.04em}
.top .who{font-size:12.5px;color:var(--dim);display:flex;gap:12px;align-items:center}

/* 卡片/统计 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}
.kpi{padding:18px;border-radius:14px;background:linear-gradient(160deg,#0b1424,#080d18);border:1px solid var(--line);
  position:relative;overflow:hidden}
.kpi::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.6),transparent)}
.kpi span{font-size:12px;color:var(--mute);letter-spacing:.06em}
.kpi b{display:block;font-size:24px;margin-top:6px;color:#eaf3ff;font-weight:800}
.kpi small{font-size:11.5px;color:var(--dim)}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.panel-head h3{font-size:15px;letter-spacing:.04em}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar select,.toolbar input{height:36px;width:auto;min-width:150px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border-radius:9px;
  font-size:13px;font-weight:600;transition:.16s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#2f81f7,#1d4ed8);color:#fff;box-shadow:0 6px 20px rgba(47,129,247,.3)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:rgba(15,26,44,.8);border-color:var(--line2);color:#b7cdf3}
.btn-ghost:hover{border-color:#3b82f6;color:#eaf3ff}
.btn-ok{background:rgba(34,197,94,.14);border-color:rgba(34,197,94,.45);color:#6ee7a0}
.btn-bad{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.4);color:#fca5a5}
.btn-xs{height:28px;padding:0 10px;font-size:12px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:11.5px;border:1px solid}
.b-pending{color:#fbbf24;border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.1)}
.b-paid{color:#7dd3fc;border-color:rgba(56,189,248,.4);background:rgba(56,189,248,.1)}
.b-completed{color:#6ee7a0;border-color:rgba(34,197,94,.4);background:rgba(34,197,94,.1)}
.b-rejected,.b-closed{color:#94a3b8;border-color:rgba(148,163,184,.35);background:rgba(148,163,184,.08)}

.empty{padding:46px;text-align:center;color:var(--mute);font-size:13px}
.pager{display:flex;gap:8px;justify-content:flex-end;margin-top:14px;align-items:center;font-size:12.5px;color:var(--dim)}

/* 表格滚动 */
.scroll{overflow:auto;max-height:62vh}
.scroll::-webkit-scrollbar{width:8px;height:8px}
.scroll::-webkit-scrollbar-thumb{background:rgba(56,132,255,.25);border-radius:4px}

/* 弹窗 */
.mask{position:fixed;inset:0;background:rgba(2,4,9,.75);backdrop-filter:blur(3px);z-index:80;display:none}
.mask.on{display:block}
.modal{position:fixed;z-index:90;left:50%;top:50%;transform:translate(-50%,-46%);width:min(680px,calc(100vw - 32px));
  max-height:88vh;overflow:auto;background:linear-gradient(180deg,#0b1424,#070c16);border:1px solid var(--line2);
  border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.7);display:none}
.modal.on{display:block;animation:pop .22s ease}
@keyframes pop{from{opacity:0;transform:translate(-50%,-42%)}to{opacity:1;transform:translate(-50%,-46%)}}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{font-size:15px}
.modal-body{padding:20px}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.x{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;border:1px solid var(--line);color:var(--dim)}
.x:hover{color:#fff;border-color:var(--line2)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--dim);margin-bottom:6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hint{font-size:11.5px;color:var(--mute);margin-top:5px;line-height:1.5}
.proof{max-width:100%;max-height:340px;border-radius:10px;border:1px solid var(--line)}

.toast{position:fixed;left:50%;top:20px;transform:translate(-50%,-16px);z-index:200;padding:11px 18px;border-radius:11px;
  font-size:13px;background:rgba(11,18,32,.97);border:1px solid var(--line2);opacity:0;transition:.24s;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast.ok{border-color:rgba(34,197,94,.5)}
.toast.bad{border-color:rgba(239,68,68,.5)}

.page{display:none}
.page.on{display:block}
@media(max-width:860px){
  .side{position:static;width:auto;flex-direction:row;overflow:auto;padding:10px}
  .side .logo,.side-foot{display:none}
  .menu{flex-direction:row}
  .main{margin-left:0;padding:16px}
  .grid2{grid-template-columns:1fr}
}