body{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));min-height:100vh;display:flex;align-items:center;justify-content:center;margin:0;padding:20px}.login-container{width:100%;max-width:450px;margin:0 auto}.login-card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 40px #0003}.login-header{text-align:center;margin-bottom:30px}.login-header i{font-size:3rem;color:var(--primary-color);margin-bottom:15px}.login-header h3{font-weight:700;color:var(--primary-color);margin-bottom:5px;font-size:1.75rem}.login-header p{color:#6c757d;font-size:.9rem;margin:0}.form-group{margin-bottom:20px}.form-group label{font-weight:500;margin-bottom:8px;color:#495057;display:block}.form-control{border-radius:10px;padding:12px 15px;border:1px solid #dee2e6;transition:all .3s;width:100%;font-size:1rem}.form-control:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 .2rem #1e3c7240}.form-check{display:flex;align-items:center;gap:8px}.form-check-input{width:16px;height:16px;margin:0;cursor:pointer}.form-check-label{margin:0;cursor:pointer;color:#6c757d}.btn-login{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border:none;padding:12px;border-radius:10px;width:100%;color:#fff;font-weight:600;font-size:1rem;transition:all .3s;cursor:pointer}.btn-login:hover{transform:translateY(-2px);box-shadow:0 5px 15px #1e3c724d}.alert{border-radius:10px;border:none;margin-bottom:20px;padding:12px 15px}.alert-danger{background-color:#f8d7da;color:#721c24}@media(max-width:576px){.login-card{padding:30px 20px}.login-header h3{font-size:1.5rem}}