*{box-sizing:border-box}
:root{--dark:#0f172a;--muted:#64748b;--line:#e5e7eb;--blue:#2563eb;--bg:#f3f6fb}
body{margin:0;background:var(--bg);color:#0f172a;font-family:Inter,Arial,sans-serif}
.app-shell{display:flex;min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:285px;background:var(--dark);color:#fff;padding:18px;overflow:auto}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}
.brand-icon{width:48px;height:48px;border-radius:16px;background:var(--blue);display:grid;place-items:center;font-weight:950;box-shadow:0 12px 28px rgba(37,99,235,.35)}
.brand-title{font-weight:950;font-size:18px}
.brand-subtitle{font-size:12px;color:#94a3b8;margin-top:3px}
.menu{display:grid;gap:7px}
.menu a{color:#cbd5e1;text-decoration:none;padding:12px 14px;border-radius:13px;font-weight:800;display:block}
.menu a:hover,.menu a.active{background:#1e293b;color:#fff}
.main{margin-left:285px;width:calc(100% - 285px);padding:24px}
.topbar{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 12px 30px rgba(15,23,42,.06);margin-bottom:20px}
.topbar h1{margin:0;font-size:25px;font-weight:950}
.topbar p{margin:5px 0 0;color:var(--muted)}
.user-pill{background:#eff6ff;color:#1d4ed8;border-radius:999px;padding:10px 15px;min-width:130px}
.user-pill span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.hero{background:linear-gradient(135deg,#0f172a,#1d4ed8);color:#fff;border-radius:24px;padding:24px;box-shadow:0 18px 45px rgba(15,23,42,.2);margin-bottom:18px}
.hero h2{margin:0 0 6px;font-size:27px;font-weight:950}
.hero p{margin:0;color:rgba(255,255,255,.78)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-card,.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 12px 30px rgba(15,23,42,.05)}
.stat-label{color:var(--muted);font-size:13px;font-weight:850}
.stat-value{font-size:34px;font-weight:950;margin-top:8px}
.panel{margin-top:18px}
.panel-head{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:14px}
.panel h2{margin:0;font-size:18px;font-weight:950}
.panel p{margin:5px 0 0;color:var(--muted)}
.actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.action{display:block;text-decoration:none;color:#0f172a;background:#f8fafc;border:1px solid #e2e8f0;border-radius:17px;padding:16px;font-weight:950}
.action span{display:block;color:var(--muted);font-size:12px;font-weight:650;margin-top:5px}
.table-wrap{overflow:auto}
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.data-table th{font-size:12px;text-transform:uppercase;color:var(--muted);background:#f8fafc;white-space:nowrap}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:900}
.btn{display:inline-block;text-decoration:none;border:0;border-radius:12px;padding:10px 14px;background:var(--blue);color:#fff;font-weight:900;cursor:pointer}
.btn-light{background:#f8fafc;color:#0f172a;border:1px solid #e2e8f0}
.input{width:100%;padding:12px 13px;border:1px solid #cbd5e1;border-radius:12px;margin-top:6px}
.form-row{margin-bottom:14px}
.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0f172a,#1d4ed8);padding:20px}
.login-card{width:100%;max-width:430px;background:#fff;border-radius:25px;padding:26px;box-shadow:0 24px 60px rgba(15,23,42,.28)}
.login-card h1{margin:0 0 6px;font-size:28px}
.login-card p{color:var(--muted);margin-top:0}
.alert{background:#fee2e2;color:#991b1b;padding:12px 14px;border-radius:13px;margin-bottom:12px}
.empty{padding:20px;border-radius:16px;background:#f8fafc;color:var(--muted);border:1px dashed #cbd5e1}
@media(max-width:950px){
 .app-shell{display:block}
 .sidebar{position:relative;width:100%;height:auto}
 .main{margin-left:0;width:100%;padding:14px}
 .grid,.actions{grid-template-columns:1fr}
 .topbar,.panel-head{display:block}
}