body{background:#f4f6f8;color:#222831}.hero{background:#222831;color:#eee}.hero .lead{color:#cbd1d7}.btn-primary{background:#00ADB5;border-color:#00ADB5}.btn-primary:hover{background:#008f96;border-color:#008f96}.auth-card{max-width:440px;background:#fff;padding:2rem;border-radius:18px;box-shadow:0 10px 35px rgba(0,0,0,.08)}.sidebar{width:260px;background:#222831;color:#eee}.brand{font-size:1.4rem;font-weight:800;letter-spacing:.08em}.brand span{color:#00ADB5}.sidebar .nav-link{color:#bfc5ca;border-radius:10px;padding:.7rem}.sidebar .nav-link:hover{background:#393E46;color:#fff}.topbar{background:#fff;border-bottom:1px solid #e4e7eb}.stat-card{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 6px 25px rgba(34,40,49,.06)}.stat-card span{display:block;color:#7a828a}.stat-card strong{font-size:2rem}@media(max-width:768px){.sidebar{width:75px}.brand{font-size:.75rem}.sidebar .nav-link{font-size:0;text-align:center}.sidebar .nav-link:first-letter{font-size:1rem}}