:root{
  --bg:#07101f;--panel:#0d192b;--panel2:#12223a;--line:#203451;
  --text:#f5f7fb;--muted:#8ea2be;--primary:#2f7df6;--danger:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.auth-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#173562 0,transparent 32%),var(--bg);padding:24px}
.auth-card{width:min(430px,100%);background:rgba(13,25,43,.94);border:1px solid var(--line);padding:36px;border-radius:22px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.brand-mark{width:54px;height:54px;display:grid;place-items:center;background:linear-gradient(135deg,#2f7df6,#65b1ff);border-radius:16px;font-weight:800;margin-bottom:20px}
.auth-card h1{margin:0 0 8px}.auth-card p,.muted{color:var(--muted)}
.stack{display:grid;gap:16px;margin-top:26px}
label{display:grid;gap:8px;color:#c9d5e6;font-size:14px}
input,select{width:100%;background:#081321;border:1px solid var(--line);color:var(--text);padding:13px 14px;border-radius:11px;outline:none}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,125,246,.15)}
.btn{border:0;border-radius:10px;padding:12px 16px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:#1a2d48;color:#dce8f7}.btn.danger{background:#5d2029;color:#fff}.btn.small{padding:7px 10px;font-size:12px}
.auth-note{margin-top:22px;font-size:12px;color:var(--muted);text-align:center}
.alert{padding:13px 15px;border-radius:10px;margin:14px 0}.alert.danger{background:#3b1720;color:#ffcbd1}.alert.success{background:#123929;color:#bbf7d0}
.app{display:flex;min-height:100vh}
.sidebar{width:255px;background:#081321;border-right:1px solid var(--line);padding:22px 16px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:20}
.logo{display:flex;align-items:center;gap:10px;padding:0 8px 22px}.logo span{background:var(--primary);padding:8px;border-radius:9px;font-weight:800}
.sidebar nav{display:grid;gap:7px}.sidebar nav a{padding:12px 13px;border-radius:9px;color:#b9c8da}.sidebar nav a:hover{background:var(--panel2);color:#fff}
.sidebar-bottom{margin-top:auto;display:grid;gap:10px;border-top:1px solid var(--line);padding:18px 8px 4px;color:var(--muted)}
.main{margin-left:255px;padding:28px;width:calc(100% - 255px)}
.topbar{display:flex;align-items:center;gap:14px;margin-bottom:24px}.topbar h1{margin:0;font-size:28px}.topbar p{margin:5px 0 0;color:var(--muted)}
.menu-btn{display:none;background:var(--panel);border:1px solid var(--line);color:#fff;border-radius:9px;padding:9px 12px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card,.panel,.quick-card{background:var(--panel);border:1px solid var(--line);border-radius:16px}
.stat-card{padding:22px}.stat-card span{color:var(--muted)}.stat-card strong{display:block;font-size:30px;margin-top:10px}
.panel{padding:22px;margin-bottom:18px}.panel h2{margin-top:0}.panel-head{display:flex;justify-content:space-between;gap:15px}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.quick-card{padding:19px;background:var(--panel2)}.quick-card b{display:block;margin-bottom:6px}.quick-card span{font-size:13px;color:var(--muted)}
.search-bar{display:flex;gap:10px;margin-bottom:16px}.search-bar input{flex:1}
.table-wrap{overflow:auto;margin-top:16px;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;min-width:900px}th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}th{background:#10213a;color:#a9bdd7}tbody tr:hover{background:#102038}
.upload-box{border:1px dashed #35557d;border-radius:14px;padding:25px;display:grid;gap:16px;margin:18px 0}.checkbox{display:flex;align-items:center;gap:9px}.checkbox input{width:auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr 180px auto;gap:12px;align-items:end}
.pagination{display:flex;gap:7px;flex-wrap:wrap;margin-top:17px}.pagination a{padding:7px 10px;background:#14253d;border-radius:8px}.pagination a.active{background:var(--primary)}
@media(max-width:1000px){.stats{grid-template-columns:repeat(2,1fr)}.quick-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%;padding:18px}.menu-btn{display:block}.stats{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.search-bar{flex-direction:column}}