:root{
  --bg:#f3f7fd;
  --panel:#ffffff;
  --panel-soft:#edf5ff;
  --line:#cddff5;
  --line-strong:#adc8e9;
  --text:#14375e;
  --muted:#617e9f;
  --primary:#1769d2;
  --primary-dark:#0d4fa7;
  --primary-soft:#e6f0ff;
  --danger:#d34259;
  --warning:#b87900;
  --success:#12835a;
  --shadow:0 12px 34px rgba(25,72,132,.11);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter,"Segoe UI",Tahoma,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 0%,rgba(23,105,210,.11),transparent 28%),
    radial-gradient(circle at 95% 8%,rgba(23,105,210,.06),transparent 24%),
    linear-gradient(180deg,#fbfdff 0%,var(--bg) 100%);
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.shell{min-height:100vh;display:grid;grid-template-columns:245px minmax(0,1fr)}
.sidebar{
  background:linear-gradient(180deg,#0c4da0,#1769d2);
  color:#fff;padding:24px 18px;position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;gap:22px;box-shadow:10px 0 30px rgba(13,79,167,.13)
}
.brand{display:flex;gap:12px;align-items:center}
.brand-mark{width:44px;height:44px;border-radius:14px;background:#fff;color:var(--primary);display:grid;place-items:center;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(0,0,0,.15)}
.brand h1{font-size:16px;line-height:1.25;margin:0}.brand small{opacity:.78}
.nav{display:flex;flex-direction:column;gap:8px}
.nav a{padding:12px 14px;border-radius:12px;font-weight:750;color:rgba(255,255,255,.82)}
.nav a:hover,.nav a.active{background:rgba(255,255,255,.16);color:#fff}
.sidebar-foot{margin-top:auto;font-size:12px;line-height:1.6;color:rgba(255,255,255,.72)}
.main{min-width:0;padding:24px;max-width:1600px;width:100%;margin:0 auto}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}
.topbar h2{margin:0;color:#0e417f;font-size:clamp(25px,3vw,38px);letter-spacing:-.035em}
.topbar p{margin:7px 0 0;color:var(--muted)}
.db-badge{display:inline-flex;align-items:center;gap:8px;padding:10px 13px;border-radius:999px;border:1px solid var(--line-strong);background:#fff;color:var(--primary-dark);font-weight:750;white-space:nowrap}
.db-dot{width:9px;height:9px;border-radius:50%;background:#91a6bd}.db-badge.online .db-dot{background:var(--success);box-shadow:0 0 10px rgba(18,131,90,.35)}.db-badge.error .db-dot{background:var(--danger)}
.card{background:linear-gradient(180deg,var(--panel),#f9fbff);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:18px 0}
.stat{padding:18px;position:relative;overflow:hidden}.stat:after{content:"";position:absolute;width:105px;height:105px;border-radius:50%;right:-38px;top:-42px;background:rgba(23,105,210,.07)}
.stat-label{font-size:13px;color:var(--muted)}.stat-value{font-size:34px;font-weight:850;color:#104a91;margin-top:7px}.stat-sub{font-size:12px;color:#7d94ae;margin-top:4px}
.section{padding:16px;margin-top:15px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:13px}.section-head h3{margin:0;font-size:18px;color:#10427f}.hint{font-size:12px;color:var(--muted)}
.toolbar{display:grid;grid-template-columns:minmax(230px,1fr) 145px 150px auto;gap:10px;align-items:end;margin-bottom:13px}
.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700;color:#2d5787}.required:after{content:" *";color:var(--danger)}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line-strong);border-radius:11px;background:#fff;color:var(--text);outline:none}
input::placeholder,textarea::placeholder{color:#92a9c2}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,105,210,.12)}textarea{min-height:82px;resize:vertical}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn,.file-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:11px;padding:10px 14px;border:1px solid transparent;cursor:pointer;font-weight:760;transition:.17s transform,.17s background}.btn:hover,.file-btn:hover{transform:translateY(-1px)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}.btn-secondary,.file-btn{background:#fff;color:#194f91;border-color:var(--line-strong)}.btn-danger{background:#fff1f3;color:#b8374c;border-color:#efc5cd}.btn-soft{background:var(--primary-soft);color:#1856a3;border-color:#c6dcfb}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}table{width:100%;border-collapse:collapse;min-width:1120px}th,td{padding:11px;border-bottom:1px solid #e1ecf8;text-align:left;vertical-align:top}th{position:sticky;top:0;background:#e9f2ff;color:#1c4f8d;font-size:12px;z-index:1}td{font-size:13px;color:#365a82}tr:hover td{background:rgba(23,105,210,.035)}
.serial{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#10529d}.status{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800;border:1px solid transparent;white-space:nowrap}.s-open{color:#986400;background:#fff6df;border-color:#eedba7}.s-processing{color:#1760b8;background:#eaf2ff;border-color:#bed8fb}.s-complete{color:#117c55;background:#eafaf4;border-color:#bee6d6}.s-cancel{color:#b83c51;background:#fff1f3;border-color:#efc4cc}
.row-actions{display:flex;gap:6px}.icon-btn{padding:7px 9px;border-radius:8px;background:#fff;color:#1b4e8c;border:1px solid var(--line-strong);cursor:pointer;font-weight:700}
.empty{text-align:center;padding:42px;color:var(--muted)}
.chart{height:195px;display:flex;align-items:flex-end;gap:10px;padding:14px 5px 3px;border-bottom:1px solid var(--line)}.bar-wrap{flex:1;min-width:34px;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:7px}.bar{width:min(52px,76%);min-height:2px;border-radius:8px 8px 3px 3px;background:linear-gradient(180deg,#78b0ff,var(--primary));box-shadow:0 7px 16px rgba(23,105,210,.15)}.bar-value{font-size:11px;font-weight:800;color:#194e8f}.bar-label{font-size:11px;color:var(--muted)}
.form-card{padding:20px;max-width:1050px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.form-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}
.notice{padding:13px 15px;border:1px solid #bdd8fb;background:#edf5ff;color:#285d99;border-radius:12px;font-size:13px;line-height:1.55;margin-bottom:15px}.notice.error{border-color:#efc4cc;background:#fff2f4;color:#a33347}.notice.success{border-color:#bde4d4;background:#eefaf5;color:#176d4d}
.toast{position:fixed;right:22px;bottom:22px;z-index:50;background:#fff;color:#174b88;border:1px solid var(--line-strong);border-radius:12px;padding:13px 16px;box-shadow:var(--shadow);opacity:0;transform:translateY(14px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translateY(0)}
.modal{display:none;position:fixed;inset:0;z-index:40;background:rgba(14,52,95,.38);align-items:center;justify-content:center;padding:20px}.modal.show{display:flex}.modal-box{width:min(590px,100%);max-height:88vh;overflow:auto;padding:20px}.modal-box h3{margin:0 0 10px;color:#10427f}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.detail-item{padding:10px;background:#f5f9ff;border:1px solid #dbe9f8;border-radius:10px}.detail-item.full{grid-column:1/-1}.detail-label{font-size:11px;color:var(--muted);margin-bottom:4px}.detail-value{font-size:13px;color:#264e7c;white-space:pre-wrap;word-break:break-word}
.loading{opacity:.58;pointer-events:none}.footer-note{margin-top:12px;color:var(--muted);font-size:12px;line-height:1.6}
@media(max-width:1150px){.shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;padding:15px 18px}.nav{flex-direction:row;margin-left:auto}.sidebar-foot{display:none}.stats{grid-template-columns:repeat(2,1fr)}.toolbar{grid-template-columns:1fr 140px 150px}.toolbar .actions{grid-column:1/-1}}
@media(max-width:720px){.main{padding:14px}.sidebar{align-items:flex-start;flex-wrap:wrap}.nav{width:100%;margin:0}.nav a{flex:1;text-align:center}.topbar{flex-direction:column}.stats{grid-template-columns:1fr 1fr}.toolbar{grid-template-columns:1fr 1fr}.toolbar .search{grid-column:1/-1}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.detail-grid{grid-template-columns:1fr}.detail-item.full{grid-column:auto}}
@media(max-width:460px){.stats{grid-template-columns:1fr}.toolbar{grid-template-columns:1fr}.toolbar .search{grid-column:auto}.actions .btn,.actions .file-btn{width:100%}}