:root{--bg:#07111f;--panel:#101827;--panel2:#0e1726;--red:#ff1744;--text:#fff;--muted:rgba(255,255,255,.72);--border:rgba(255,255,255,.1)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top right,rgba(255,23,68,.16),transparent 35%),var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--text)}a{color:inherit;text-decoration:none}.portal-wrap{display:flex;min-height:100vh}.sidebar{width:280px;background:rgba(10,16,24,.96);border-right:1px solid var(--border);padding:24px;position:fixed;top:0;bottom:0;left:0}.brand img{width:135px;margin-bottom:25px}.nav a{display:flex;gap:12px;align-items:center;padding:13px 15px;border-radius:14px;color:var(--muted);margin-bottom:8px}.nav a:hover,.nav a.active{background:linear-gradient(135deg,var(--red),#ff4d6d);color:#fff}.main{margin-left:280px;width:calc(100% - 280px);padding:30px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.card{background:linear-gradient(135deg,var(--panel),var(--panel2));border:1px solid var(--border);border-radius:22px;padding:24px;box-shadow:0 18px 45px rgba(0,0,0,.2)}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.stat h3{font-size:32px;margin:5px 0}.stat p{color:var(--muted);margin:0}.btn{display:inline-flex;border:0;background:linear-gradient(135deg,var(--red),#ff4d6d);color:#fff;border-radius:999px;padding:12px 18px;font-weight:800;cursor:pointer}.btn-line{background:transparent;border:1px solid var(--border)}input,select,textarea{width:100%;background:rgba(255,255,255,.08);border:1px solid var(--border);border-radius:14px;color:#fff;padding:14px;margin-bottom:14px}select option{color:#111}textarea{min-height:140px}table{width:100%;border-collapse:collapse}td,th{padding:13px;border-bottom:1px solid var(--border);text-align:left}th{color:#fff}td{color:var(--muted)}.badge{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:#fff;font-size:12px}.alert{padding:14px;border-radius:14px;margin-bottom:18px}.success{background:rgba(34,197,94,.15);color:#86efac}.error{background:rgba(239,68,68,.15);color:#fecaca}.mobile-menu{display:none}@media(max-width:900px){.sidebar{display:none}.main{margin-left:0;width:100%;padding:18px}.grid,.grid-2{grid-template-columns:1fr}.mobile-menu{display:block;margin-bottom:15px}}