.login-section {
    min-height: 100vh;
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}
.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    max-width: 480px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-card .form-control {
    border-radius: 10px;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    font-size: 15px;
    transition: all 0.3s;
}
.login-card .form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13,110,253,0.15);
}
.login-card .btn-primary {
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
}
.login-card .input-group-text {
    border-radius: 10px 0 0 10px;
    border: 2px solid #e9ecef;
    border-right: none;
    background: #f8f9fa;
}
.login-card .input-group .form-control {
    border-radius: 0;
}
.login-card .input-group .btn {
    border-radius: 0 10px 10px 0;
    border: 2px solid #e9ecef;
    border-left: none;
}
.password-strength {
    height: 4px;
    border-radius: 2px;
    margin-top: 6px;
    transition: all 0.3s;
}