:root{
  --accent:#4F8EF7; --accent-hover:#3B7DE8; --accent-glow:rgba(79,142,247,.18);
  --green:#22C55E; --yellow:#F59E0B; --red:#EF4444; --purple:#A855F7; --cyan:#06B6D4;
  --bg:#0A0D14; --surface:#111520; --card:#161B2E; --card-hover:#1C2340;
  --border:#1E2640; --border-light:#2A3354; --text:#E2E8F0; --muted:#64748B; --dim:#94A3B8;
  --input:#0D1119; --radius:10px; --radius-sm:6px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:5px}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;height:100vh}
.brand{padding:20px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:11px}
.brand-logo{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:19px}
.nav{flex:1;padding:12px 10px;overflow-y:auto}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;margin-bottom:2px;font-size:13.5px;font-weight:600;color:var(--dim)}
.nav a:hover{background:var(--card-hover)}
.nav a.active{background:var(--accent);color:#fff}
.main{flex:1;margin-left:240px;display:flex;flex-direction:column}
.topbar{height:60px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:14px}
.content{padding:28px;flex:1}

/* Components */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);border:1px solid var(--border-light);background:var(--card);color:var(--text);font-weight:600;font-size:13px;transition:.15s}
.btn:hover{background:var(--card-hover)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-ghost{background:transparent;border-color:transparent}
.btn-ghost:hover{background:var(--card-hover)}
.input,.select,textarea.input{width:100%;padding:10px 12px;background:var(--input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:13px}
.input:focus,.select:focus{outline:none;border-color:var(--accent)}
.label{display:block;font-size:12px;color:var(--dim);margin-bottom:6px;font-weight:600}
.field{margin-bottom:14px}
.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:1fr 1fr 1fr}

table{width:100%;border-collapse:collapse}
th{text-align:left;padding:12px 14px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);border-bottom:1px solid var(--border);font-weight:700}
td{padding:12px 14px;font-size:13px;border-bottom:1px solid var(--border)}
tbody tr:hover td{background:var(--card-hover)}

.badge{padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;display:inline-block}
.badge-green{background:rgba(34,197,94,.15);color:var(--green)}
.badge-red{background:rgba(239,68,68,.15);color:var(--red)}
.badge-yellow{background:rgba(245,158,11,.15);color:var(--yellow)}
.badge-blue{background:var(--accent-glow);color:var(--accent)}

.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px}
.page-head h1{font-size:24px;font-weight:800;letter-spacing:-.5px}
.page-head p{color:var(--muted);font-size:13px;margin-top:4px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}
.stat{padding:18px}
.stat .lbl{font-size:12px;color:var(--muted);margin-bottom:8px;font-weight:600}
.stat .val{font-size:22px;font-weight:800;letter-spacing:-.5px}

.alert{padding:12px 16px;border-radius:8px;font-size:13px;margin-bottom:16px}
.alert-error{background:rgba(239,68,68,.12);color:var(--red);border:1px solid rgba(239,68,68,.3)}
.alert-success{background:rgba(34,197,94,.12);color:var(--green);border:1px solid rgba(34,197,94,.3)}
.alert-warn{background:rgba(245,158,11,.12);color:var(--yellow);border:1px solid rgba(245,158,11,.3)}

.search{position:relative;max-width:360px;margin-bottom:16px}
.search input{padding-left:36px}
.search svg{position:absolute;left:12px;top:11px;color:var(--muted)}
.fade-in{animation:fi .3s ease}
@keyframes fi{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .icon{font-size:42px;margin-bottom:12px}
.empty .ttl{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}

/* Auth pages */
.auth-wrap{min-height:100vh;display:flex}
.auth-brand{flex:1;background:linear-gradient(135deg,#0D1528,#111520);display:flex;flex-direction:column;justify-content:center;padding:60px;border-right:1px solid var(--border)}
.auth-form{flex:1;display:flex;align-items:center;justify-content:center;padding:40px}
.auth-box{width:100%;max-width:380px}
.steps{display:flex;gap:6px;margin-bottom:24px}
.step{flex:1;height:4px;border-radius:2px;background:var(--border)}
.step.on{background:var(--accent)}
.opt{border:2px solid var(--border);background:var(--card);border-radius:10px;padding:16px;margin-bottom:12px;cursor:pointer}
.opt.on{border-color:var(--accent);background:var(--accent-glow)}
.opt .t{font-weight:700;font-size:14px;margin-bottom:4px}
.opt .d{font-size:12px;color:var(--muted)}

@media print{
  .sidebar,.topbar,.no-print{display:none!important}
  .main{margin-left:0}
  body{background:#fff}
  .print-area{box-shadow:none}
}
@media(max-width:768px){
  .sidebar{display:none}.main{margin-left:0}
  .auth-brand{display:none}.grid-2,.grid-3{grid-template-columns:1fr}
}