:root{--bg:#f4f4f1;--panel:#fff;--text:#151515;--muted:#6d6d68;--line:#d9d9d2}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}
header{display:flex;justify-content:space-between;align-items:center;padding:18px 32px;background:#111;color:white}
header a{color:white;text-decoration:none;margin-left:22px}
main{max-width:1250px;margin:0 auto;padding:32px}
.hero{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}
.hero h1{font-size:42px;margin:0 0 8px}
.hero p{margin:0;color:var(--muted)}
.grid{display:grid;gap:22px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.panel{background:var(--panel);padding:24px;border:1px solid var(--line);margin-bottom:22px}
.panel h2{margin-top:0}
.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:22px}
.metrics div{background:#111;color:#fff;padding:20px}
.metrics span{display:block;font-size:12px;opacity:.7;margin-bottom:8px}
.metrics strong{font-size:22px}
label{display:block;font-weight:600;margin:12px 0}
input,select{width:100%;padding:11px;border:1px solid var(--line);margin-top:6px;background:white}
button,.button{display:inline-block;background:#111;color:white;border:0;padding:11px 16px;text-decoration:none;cursor:pointer}
.button.secondary{padding:7px 11px}
button.danger{background:#8b1e1e;padding:7px 10px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}
th{font-size:12px;text-transform:uppercase}
.hint{color:var(--muted);font-size:13px}
.login-page{display:grid;place-items:center;min-height:100vh;padding:20px}
.login-card{width:min(440px,94vw);background:white;padding:36px;border:1px solid var(--line)}
.error,.success{padding:12px;margin-bottom:14px}
.error{background:#ffe8e8;color:#8b1e1e}
.success{background:#e8f7ec;color:#195c2c}
.inline{display:inline}
hr{border:0;border-top:1px solid var(--line);margin:24px 0}
@media(max-width:900px){
.grid.two,.metrics{grid-template-columns:1fr}
.hero{align-items:start;gap:20px;flex-direction:column}
main{padding:20px}
}