:root{--bg:#0d0f12;--panel:#171a1f;--line:#2a2f36;--text:#f5f7fa;--muted:#8e98a6;--gold:#d9aa28;--maroon:#641d29}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif}
a{color:inherit;text-decoration:none}.brand{font-weight:900;letter-spacing:.14em;color:#f2ca4d}.muted{color:var(--muted)}
.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 50% 0,#24171a 0,var(--bg) 45%)}
.login-card{width:min(420px,92vw);padding:34px;border:1px solid var(--line);border-radius:18px;background:#15181d;box-shadow:0 24px 80px #0008}
label{display:block;margin:18px 0 7px;color:#c9d0d8;font-size:14px}input{width:100%;padding:13px 14px;border-radius:10px;border:1px solid #353b44;background:#0e1115;color:white;outline:none}
input:focus{border-color:var(--gold)}button{width:100%;margin-top:22px;padding:13px;border:0;border-radius:10px;background:var(--gold);color:#17120a;font-weight:800;cursor:pointer}
.error,.success{margin:18px 0;padding:12px;border-radius:9px;background:#35181d;border:1px solid #6b2a35}.success{background:#153125;border-color:#286546}
.shell{min-height:100vh;display:grid;grid-template-columns:230px 1fr}aside{padding:28px 18px;border-right:1px solid var(--line);background:#111318;display:flex;flex-direction:column}
nav{display:grid;gap:7px;margin-top:34px}nav a{padding:11px 13px;border-radius:9px;color:#aeb7c2}nav a:hover,nav .active{background:#22262d;color:white}.logout{margin-top:auto;color:#d5a7ad;padding:12px}
.content{padding:48px;max-width:1200px}.eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.18em}h1{font-size:38px;margin:8px 0}.cards{display:grid;grid-template-columns:repeat(3,minmax(150px,1fr));gap:16px;margin:34px 0}.card,.panel{border:1px solid var(--line);background:var(--panel);border-radius:15px;padding:22px}.card b{display:block;font-size:34px}.card span{color:var(--muted)}.panel{margin-top:18px}
@media(max-width:760px){.shell{grid-template-columns:1fr}aside{display:none}.content{padding:24px}.cards{grid-template-columns:1fr}}